hp ZBook Firefly 14 Inch G10 A Mobile Workstation PC User Guide

hp ZBook Firefly 14 Inch G10 A Mobile Workstation PC

Product Information

The Maintenance and Service Guide provides maintenance information about spare parts, removal and replacement of parts, security, and backing up.

Legal information:

• The information contained herein is subject to change without notice.
• The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services.
• Nothing herein should be construed as constituting an additional warranty.
• HP shall not be liable for technical or editorial errors or omissions contained herein.

First Edition: May 2023

Document Part Number: N56245-001

Product notice:
This guide describes features that are common to most models. Some features may not be available on your computer.

To access the latest user guides, go to http://www.hp.com/support, and follow the instructions to find your product. Then select Manuals.

Software terms:
By installing, copying, downloading, or otherwise using any software product preinstalled on this computer, you agree to be bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy is to return the entire unused product (hardware and software) within 14 days for a full refund subject to the refund policy of your seller.
For any further information or to request a full refund of the price of the computer, please contact your seller.

Safety warning notice:

iii

Table of contents:

1. Product description
2. Recommended materials and equipment
3. Packaging and transporting guidelines
4. Accessing support information
5. Removal and replacement procedures for authorized service provider parts
6. Troubleshooting guide
7. Resources
8. Backing up, restoring, and recovering

Product Usage Instructions

To access the latest user guides, follow these steps:

1. Go to http://www.hp.com/support.
2. Find your product using the provided instructions.
3. Select Manuals.

If you have installed any software product preinstalled on this computer, you are bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, you can return the entire unused product (hardware and software) within 14 days for a full refund, subject to the refund policy of your seller. For further information or to request a full refund, please contact your seller.

Maintenance and Service Guide
SUMMARY This guide provides maintenance information about such topics as spare parts, removal and replacement of parts, security, and backing up.

Legal information

© Copyright 2023 HP Development Company, L.P.
AMD, Radeon, and Ryzen are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. Intel and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Kensington® and NanoSaver® are registered trademarks of ACCO Brands. MediaTek is a trademark of MediaTek Inc. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. NVIDIA is a trademark and/or registered trademark of NVIDIA Corporation in the U.S. and other countries. NVMe is a registered trademark of NVM Express. PCIe is a US registered trademark of PCI-SIG. USB Type-C and USB-C are registered trademarks of USB Implementers Forum. DisplayPortTM and the DisplayPortTM logo are trademarks owned by the Video Electronics Standards Association (VESA®) in the United States and other countries. Wi-Fi is a registered trademark of the Wi-Fi Alliance®.
The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
First Edition: May 2023
Document Part Number: N56245-001

Product notice
This guide describes features that are common to most models. Some features may not be available on your computer.
Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows is automatically updated, which is always enabled. High-speed internet and Microsoft account required. ISP fees may apply and additional requirements may apply over time for updates. See http://www.microsoft.com. If your product ships with Windows in S Mode: Windows in S Mode works exclusively with apps from the Microsoft Store within Windows. Certain default settings, features, and apps cannot be changed. Some accessories and apps that are compatible with Windows may not work (including some antivirus, PDF writers, driver utilities, and accessibility apps), and performance may vary, even if you switch out of S Mode. If you switch to Windows, you cannot switch back to S Mode. Learn more at Windows.com/ SmodeFAQ.
To access the latest user guides, go to http://www.hp.com/support, and follow the instructions to find your product. Then select Manuals.

Software terms
By installing, copying, downloading, or otherwise using any software product preinstalled on this computer, you agree to be bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy is to return the entire unused product (hardware and software) within 14 days for a full refund subject to the refund policy of your seller.
For any further information or to request a full refund of the price of the computer, please contact your seller.

Safety warning notice
Reduce the possibility of heat-related injuries or of overheating the computer by following the practices described. WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to come into contact with the skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the AC adapter comply with the user- accessible surface temperature limits defined by applicable safety standards.
iii

Product description

This table provides detailed product information.

Table 1-1 Product components and their descriptions

Category

Description

Product Name

HP ZBook Firefly 14 inch G10 A Mobile Workstation PC

Processors

AMD® RyzenTM 9 PRO 7940HS (4.0 GHz, up to 5.2 GHz AMD Boost Technology, 8 cores, 16 MB L3 cache, 35 W)
AMD Ryzen 7 PRO 7840HS (3.8 GHz, up to 5.1 GHz AMD Boost Technology, 8 cores, 16 MB L3 cache, 35 W)
AMD Ryzen 5 PRO 7640HS (4.3 GHz, up to 5.0 GHz AMD Boost Technology, 6 cores, 16 MB L3 cache, 35 W)

Graphics

Internal graphics

RadeonTM NAVI 3 Graphics
Supports HW decode, DX12, HDMI 2.0, HDCP 2.3 via HDMI/DisplayPort up to 4K @ 60 Hz
Supports 4 independent displays when on the HP USB-C® 120W G5 Dock. Maximum resolution = 4K @ 60 Hz (DisplayPort 1) and 4K @ 30 Hz (DisplayPort 2) and FHD @ 60 Hz (HDMI)

Supports 4 independent displays when on the HP USB-C/A 120W G2 Universal Dock. Maximum resolution = 4K @ 60 Hz (DisplayPort 1) and 4K @ 60 Hz (DisplayPort 2) and 4K @ 60 Hz (HDMI)

Display

Supports 4 independent displays when on the HP ThunderboltTM 120W or 280W G4 Dock. Maximum resolution = 4K @ 60Hz (DisplayPort 1) and 4K @ 30 Hz (DisplayPort 2) and FHD @ 60 Hz (Type-C output port using a USB Type C®-to- DisplayPort adapter)
35.6 cm (14.0 in), widescreen ultra extended graphics array (WUXGA) 1920 × 1200, antiglare, ultrawide viewing angle (UWVA), bent display panel
White light-emitting diode (WLED), antiglare, 45% National Television Standards Committee (NTSC), Embedded DisplayPort (eDP) 1.2 without Panel Self- Refresh (PSR), NB2X, 250 nits

LED, antiglare, 45% NTSC, eDP 1.2 without PSR, 5 MP camera, WWAN, 250 nits

LED, antiglare, 45% NTSC, eDP 1.2 without PSR, 5 MP + IR camera, WWAN, 250 nits LED, antiglare, 45% NTSC, eDP 1.2 without PSR, 5 MP + IR camera, WWAN, touch-on panel (TOP), 250 nits LED, antiglare, 45% NTSC, eDP 1.2 without PSR, 5 MP + IR camera, 250 nits

LED, antiglare, 45% NTSC, eDP 1.2 without PSR, 5 MP + IR camera, touch-on panel (TOP), 250 nits

LED, antiglare, 45% NTSC, eDP 1.2 without PSR, 5 MP camera, 250 nits
LED, antiglare, 45% NTSC, eDP 1.2 without PSR, WWAN, 250 nits
WLED, low blue light (LBL), sRGB 100%, eDP + PSR, 5 MP camera, low power, ambient light sensor (ALS), 400 nits

WLED, LBL, sRGB 100%, eDP + PSR, 5 MP + IR camera, low power, ALS + adaptive color sensor (ACS), 400 nits

Product description 1

Table 1-1 Product components and their descriptions (continued)

Category

Description

Display

WLED, LBL, sRGB 100%, eDP + PSR, 5 MP + IR camera, low power, ALS + ACS, WWAN, 400 nits

WLED, LBL, sRGB 100%, eDP 1.3 + PSR, 5 MP camera, ALS + ACS, SureView Reflect privacy, 1000 nits

WLED, LBL, sRGB 100%, eDP 1.3 + PSR, 5 MP + IR camera, ALS + ACS, SureView Reflect privacy, 1000 nits

WLED, LBL, sRGB 100%, eDP 1.3 + PSR, 5 MP + IR camera, ALS + ACS, SureView Reflect privacy, WWAN, 1000 nits

35.6 cm (14.0 in), wide quad extended graphics array (WQXGA) DRM, 2560 × 1600, NB2X, LED, DCI-P3, antiglare, UWVA, 5 MP + IR camera, eDP 1.4 + PSR, HP DreamColor, 120 Hz, 500 nits

WWAN

Without WWAN

Memory

Two customer-accessible memory module slots (small outline dual in-line memory modules (SODIMMs) supporting up to 64 GB of RAM

DDR4-5600 dual-channel support

Supports the following configurations:

64 GB (32 × 2)

32 GB (16 × 2 or 32 × 1)

Primary storage

16 GB (8 × 2 or 1 × 16) 8 GB (8 × 1) PCIe®, (Non-Volatile Memory Express) NVMe®, M.2 2280 solid-state drives

2 TB, PCIe-4 × 4, Three Layer Cell (TLC)

1 TB, PCIe-4 × 4, TLC 1 TB, PCIe-4×4, self-encrypted (SED), OPAL2, TLC 1 TB

512 GB, TLC

512 GB, PCIe-4 × 4, TLC, self-encrypted (SED), OPAL2, TLC 512 GB 256 GB, PCIe-4 × 4, TLC, SED, OPAL2, TLC

256 GB

eMMC

On-board embedded MultiMedia Controller (eMMC v5.0) configurations (MLC/TLC)

32 GB

2 Chapter 1 Product description

Table 1-1 Product components and their descriptions (continued)

Category

Description

Audio and video

Audio brand: BANG and OLUFSEN

Dual speakers

Discrete amplifiers

Camera (select products only)

5 MP, wide field-of-view (WFOV), fixed, infrared (IR)

5 MP, WFOV, fixed

Dual-array digital microphone with appropriate software: beam forming, echo cancellation, noise suppression

Wireless

Wireless Local Area Network (WLAN)

MediaTek® RZ616 Wi-Fi® 6E Bluetooth® 5.3 AIM-T WLAN

Near Field Communication (NFC) (select products only)

NFC Mirage WNC XRAV-1 Near Field Communication Module

WWAN (select products only)

Intel® 5000 5G WWAN module

Intel XMM 7560 R+ long-term evolution (LTE)-Advanced Pro (Cat 16) WWAN module

Sensors

Adaptive color sensor (ACS)

Ambient light sensor (ALS)

Hall sensor (integrated)

Motion AI

Thermal sensor

Ports

HDMI v2.0b

Audio-out (headphone)/audio-in (microphone) combo jack

USB 3.1 Type-C (2)

USB 3.1 Gen 2 Type A (2)

AC Smart Pin adapter plug

Keyboard/pointing devices

Keyboard (spill resistant) Backlit

Not backlit

Backlit, privacy

Touchpad

Clickpad with image sensor

Multitouch gestures enabled

Precision touchpad support

Support for Modern Trackpad Gestures

Taps enabled as default

Product description 3

Table 1-1 Product components and their descriptions (continued)

Category

Description

Power requirements Battery

3 cell, 51 Whr, polymer, HP Long Life

HP Fast Charge Technology

Smart AC adapter

65 W, non-PFC, straight, USB Type-C adapter, 1.8 m (6.0 ft)

65 W, slim, straight, USB Type-C adapter, 1.8 m (6.0 ft)

65 W, slim, straight, USB Type-C adapter for use in Argentina

65 W, standard, straight, USB Type-C adapter for use in Argentina

Power cord

C5, 1.0 m (3.3 ft), premium

C5, 1.0 m (3.3 ft), premium, HF

C5, 1.0 m (3.3 ft), conventional

C5, 1.0 m (3.3 ft), conventional, HF

Security

Active SmartCard (select products only)

Fingerprint sensor (select products only)

Kensington® NanoSaver® Security Lock

HP Combination Nano Cable Lock

HP Essential Combination Nano Cable Lock

Privacy camera shutter door

Operating system

Windows® 11 Pro

Windows 11 Pro Education

Windows 11 Home – HP recommends Windows 11 Pro for Business

Windows 11 Home Single Language – HP recommends Windows 11 Pro for Business

Windows 11 Pro (Windows 11 Enterprise or Windows 10 Enterprise available with a Volume Licensing Agreement)

Windows 11 Pro (preinstalled with Windows 10 Pro Downgrade)

FreeDOS

Serviceability

End user replaceable parts

AC adapter

4 Chapter 1 Product description

2 Components
Your computer features top-rated components. This chapter provides details about your components, where they are located, and how they work.
Right
Use the illustration and table to identify the components on the right side of the computer.

Table 2-1 Right-side components and their descriptions

Component

(1)

Magnetic pen attachment area (select

products only)

(2)

SIM card slot (select products only)

(3)

Security cable slot

(4)

USB port

Description
Holds an optional pen.
Supports a wireless subscriber identity module (SIM) card.
Attaches an optional security cable to the computer.
NOTE: The security cable is designed to act as a deterrent, but it might not prevent the computer from being mishandled or stolen.
Connects a USB device, provides high-speed data transfer, and (for select products) charges small devices (such as a smartphone) when the computer is on or in Sleep mode.
NOTE: Use a standard USB Type-A charging cable or cable adapter (purchased separately) when charging a small external device.

Components 5

Table 2-1 Right-side components and their descriptions (continued)

Component

Description

(5)

Audio-out (headphone)/Audio-in

Connects optional powered stereo speakers, headphones,

(microphone) combo jack

earbuds, a headset, or a television audio cable. Also

connects an optional headset microphone. This jack does

not support optional standalone microphones.

WARNING! To reduce the risk of personal injury, adjust the volume before putting on headphones, earbuds, or a headset. For additional safety information, see the Regulatory, Safety, and Environmental Notices.

To access this guide:

Select the Search icon in the taskbar, type HP Documentation in the search box, and then select HP Documentation.
NOTE: When a device is connected to the jack, the computer speakers are disabled.

Left

Use the illustration and table to identify the components on the left side of the computer.

Table 2-2 Left-side components and their descriptions

Component

(1)

HDMI® port

(2)

USB port with HP Sleep and Charge

Description
Connects an optional video or audio device, such as a high-definition television, any compatible digital or audio component, or a high-speed High Definition Multimedia Interface® (HDMI) device.
Connects a USB device, provides high-speed data transfer, and charges small devices (such as a smartphone), even when the computer is off.
NOTE: Use a standard USB Type A charging cable or cable adapter (purchased separately) when charging a small external device.

6 Chapter 2 Components

Table 2-2 Left-side components and their descriptions (continued)

Component

Description

(3)

USB Type-C® power connector and

Connect an AC adapter that has a USB Type-C connector,

ThunderboltTM ports with HP Sleep and

supplying power to the computer and, if needed, charging the

Charge and DisplayPortTM output (2)

computer battery.

­ and ­

Connect USB devices, provide high-speed data transfer, and charge small devices (such as a smartphone), even when the computer is off.

NOTE: Use a standard USB Type-C charging cable or cable adapter (purchased separately) when charging a small external device.

­ and ­

Connect display devices that have a USB Type-C connector, providing DisplayPort output.

NOTE: Your computer might also support a Thunderbolt docking station.

(4)

Battery light

When AC power is connected:

White: The battery charge is greater than 90 percent.

Amber: The battery charge is from 0 to 90 percent.

Off: The battery is not charging.

When AC power is disconnected (battery not charging):

Blinking amber: The battery has reached a low battery level. When the battery has reached a critical battery level, the battery light begins blinking rapidly.

Off: The battery is not charging.

(5)

Smart card reader (select products only)

Supports optional smart cards.

Display
Use the illustration and table to identify the display components.
Low blue light mode (select products only)
Your computer display is shipped from the factory in low blue light mode for improved eye comfort and safety. Also, blue light mode automatically adjusts blue light emissions when you are using the computer at night or for reading.
WARNING! To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper workstation setup and proper posture, health, and work habits for computer users. The Safety & Comfort Guide also provides important electrical and mechanical safety information. The Safety & Comfort Guide is available on the web at http://www.hp.com/ergo. NOTE: Refer to the illustration that most closely matches your computer.
Display 7

Table 2-3 Display components and their descriptions

Component

Description

(1)

Ambient light and color sensor

Adjusts the brightness of the display, depending on the ambient light, and manages and controls the color temperature. Color temperature enables you to measure and adjust the warmth or coolness of the light source.

(2)

Internal microphones (2) (select products only) Record sound.

(3)

Camera lights (2) (select products only)

On: One or more cameras are in use.

(4)

Cameras (2) (select products only)

Allow you to video chat, record video, and record still images. Some cameras also allow a facial recognition logon to Windows, instead of a password logon.

NOTE: Camera functions vary depending on the camera hardware and software installed on your product.

(5)

Camera privacy cover (select products only)

By default, the camera lens is uncovered, but you can slide the

camera privacy cover to block the camera’s view. To use the

camera, slide the camera privacy cover in the opposite direction

to reveal the lens.

NOTE: If you have both front-facing and rear-facing cameras, when one camera lens is revealed and ready to use, the other is concealed.

(6)

WWAN antennas* (4) (select products only)

Send and receive wireless signals to communicate with wireless

wide area networks (WWANs).

(7)

WLAN antennas* (2) (select products only)

Send and receive wireless signals to communicate with wireless local area networks (WLANs).

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions.

For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region.

To access this guide:

Select the Search icon in the taskbar, type HP Documentation in the search box, and then select HP Documentation.

8 Chapter 2 Components

Keyboard area
Keyboards can vary by language. NOTE: The keyboard, including the function keys and power key (select products only), is disabled in stand, tent, and tablet modes. To enable the keyboard, including the power key, change to the clamshell mode.
Touchpad
The touchpad settings and components are described here.
Touchpad settings
You learn how to adjust the touchpad settings and components here. Adjusting touchpad settings
Use these steps to adjust touchpad settings and gestures. 1. Select the Search icon in the taskbar, type touchpad settings in the search box, and then
press enter. 2. Choose a setting. Turning on the touchpad Follow these steps to turn on the touchpad. 1. Select the Search icon in the taskbar, type touchpad settings in the search box, and then
press enter. 2. Using an external mouse, click the Touchpad button.
If you are not using an external mouse, press the Tab key repeatedly until the pointer rests on the touchpad button. Then press the spacebar to select the button.
Touchpad components
Use the illustration and table to identify the touchpad components.
Keyboard area 9

Table 2-4 Touchpad components and their descriptions

Component

(1)

Touchpad zone

(2)

Left touchpad button

(3)

Near Field Communications (NFC) tapping

area and antenna (select products only)

(4)

Right touchpad button

Description
Reads your finger gestures to move the pointer or activate items on the screen.
Functions like the left button on an external mouse.
Allows you to wirelessly share information when you tap it with an NFC-enabled device.
Functions like the right button on an external mouse.

Lights
Use the illustration and table to identify the lights on the computer. NOTE: Refer to the illustration that most closely matches your computer.

10 Chapter 2 Components

Table 2-5 Lights and their descriptions

Component

(1)

Caps lock light

(2)

Privacy key light (select products only)

(3)

Mute light

(4)

Microphone mute light

(5)

Power light

(6)

Fn lock light

(7)

Num lk light (select products only)

Description
On: Caps lock is on, which switches the key input to all capital letters.
On: Privacy screen is on, which helps prevent side-angle viewing.
On: Computer sound is off.
Off: Computer sound is on.
On: Microphone is off.
Off: Microphone is on.
On: The computer is on.
Blinking (select products only): The computer is in the Sleep state, a power- saving state. The computer shuts off power to the display and other unnecessary components.
Off: Depending on your computer model, the computer is off, in Hibernation, or in Sleep. Hibernation is the power-saving state that uses the least amount of power.
On: The fn key is locked.
On: Num lk is on.

Button and fingerprint reader
Fingerprint readers can be located on the touchpad, on a side panel of the computer, or on the top cover below the keyboard.
IMPORTANT: To verify that your computer supports fingerprint reader sign-in, select the Search icon in the taskbar, type Sign-in options in the search box, and then select the Sign-on options app. If Fingerprint recognition is not listed as an option, then your notebook does not include a fingerprint reader.

Button and fingerprint reader 11

NOTE: Refer to the illustration that most closely matches your computer.

Table 2-6 Button and fingerprint reader and their descriptions

Component

Description

(1)

Power button

When the computer is off, press the button briefly to turn on the computer.

When the computer is on, press the button briefly to initiate Sleep.

When the computer is in the Sleep state, press the button briefly to exit Sleep (select products only).

When the computer is in Hibernation, press the button briefly to exit Hibernation.

IMPORTANT: Pressing and holding down the power button results in the loss of unsaved information.

If the computer has stopped responding and shutdown procedures are ineffective, press and hold the power button for at least 4 seconds to turn off the computer.

To learn more about your power settings, use the Power icon.

Right-click the Power icon

, and then select Power

and sleep settings.

(2)

Fingerprint reader (select products only)

Allows a fingerprint logon to Windows, instead of a password

logon.

Touch your finger to the fingerprint reader.

IMPORTANT: To prevent fingerprint logon issues, make sure when you register your fingerprint that all sides of your finger are registered by the fingerprint reader.

Special keys
Use the illustration and table to identify the special keys. NOTE: Refer to the illustration that most closely matches your computer.

12 Chapter 2 Components

Table 2-7 Special keys and their descriptions

Component

(1)

Action keys

(2)

esc key

(3)

fn key

(4)

Windows key

(5)

Power button

(6)

num lk key (select products only)

Description
Execute frequently used system functions.
Displays system information when pressed in combination with the fn key.
Executes frequently used system functions when pressed in combination with another key. Such key combinations are called hot keys.
Opens the Start menu.
NOTE: Pressing the Windows key again closes the Start menu.
When the computer is off, press the button briefly to turn on the computer.
When the computer is on, press the button briefly to initiate Sleep.
When the computer is in the Sleep state, press the button briefly to exit Sleep (select products only).
When the computer is in Hibernation, press the button briefly to exit Hibernation.
IMPORTANT: Pressing and holding down the power button results in the loss of unsaved information.
If the computer has stopped responding and shutdown procedures are ineffective, press and hold the power button for at least 4 seconds to turn off the computer.
To learn more about your power settings, use the Power icon.

Right-click the Power icon

, and then select Power

and sleep settings.

Alternates between the navigational and numeric functions on the integrated numeric keypad.

Special keys 13

Table 2-7 Special keys and their descriptions (continued)

Component

Description

(7)

Integrated numeric keypad (select products A separate keypad to the right of the alphabet keyboard.

only)

When you press num lk, you can use the integrated keypad

like an external numeric keypad.

NOTE: If the keypad function is active when the computer is turned off, that function is reinstated when the computer is turned back on.

Bottom
Use the illustration and table to identify the bottom components.

Table 2-8 Bottom components and their descriptions

Component

(1)

Speakers (2)

(2)

Vent

Description
Produce sound.
Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.

Rear
Use the illustration and table to identify the rear component.

14 Chapter 2 Components

Table 2-9 Rear component and its descriptions Component Vent (select products only)

Description
Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.

Labels
The labels affixed to the computer provide information you might need when you troubleshoot system problems or travel internationally with the computer. Labels might be in paper form or imprinted on the product.
IMPORTANT: Check the following locations for the labels described in this section: the bottom of the computer, inside the battery bay, under the service door, on the back of the display, or on the bottom of a tablet kickstand.
Service label–Provides important information to identify your computer. When contacting support, you might be asked for the serial number, the product number, or the model number. Locate this information before you contact support.
Your service label will resemble one of the examples shown below. Refer to the illustration that most closely matches the service label on your computer.

Table 2-10 Service label components Component (1) Serial number (2) Product ID (3) HP product name

Labels 15

Table 2-11 Service label components Component (1) HP product name (2) Product ID (3) Serial number (4) Warranty period
Table 2-12 Service label components Component (1) HP product name (2) Warranty period (3) Product ID (4) Serial number Regulatory labels–Provide regulatory information about the computer. Wireless certification labels–Provide information about optional wireless devices and the approval
markings for the countries or regions in which the devices have been approved for use.
Using a SIM card (select products only)
Use these instructions to insert a SIM card. IMPORTANT: You can damage the SIM card if you insert the wrong size card or insert it or the SIM card tray in the wrong direction. The card might also become stuck in the slot. Do not use SIM card adapters. To prevent damage to the SIM card or connectors, use minimal force when inserting or removing a SIM card.
Determining the correct SIM card size for your computer
Before purchasing a SIM card, follow these instructions to determine the correct SIM card size for your computer. 1. Go to http://www.hp.com/support, and then search for your computer by product name or number. 2. Select Product Information. 3. Refer to the listed options to determine which card to purchase.
16 Chapter 2 Components

Inserting a nano SIM card
To insert a nano SIM card, follow these steps. 1. Turn off the computer by using the Shut down command. 2. Position the computer display-side up on a flat surface. 3. Press in gently on the SIM card access tray to disengage the SIM lock, and the tray pops out of the
slot (1). 4. Remove the tray (2) from the computer and insert the card (3). 5. Replace the tray in the computer. Press in gently on the tray (4) until it is firmly seated.
To remove the SIM card, press in gently on the SIM card access tray to disengage the SIM lock, and the tray pops out of the slot. Remove the SIM card. Replace the tray in the computer and press in gently on the tray until it is firmly seated.
Inserting a nano SIM card 17

3 Illustrated parts catalog
Use this chapter to determine the spare parts that are available for the computer.
Computer major components
To identify the computer major components, use this illustration and table. NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. NOTE: Details about your computer, including model, serial number, product key, and length of warranty, are on the service tag at the bottom of your computer.
18 Chapter 3 Illustrated parts catalog

Table 3-1 Computer major component descriptions and part numbers

Item Component

Spare part number

(1)

Display panel

NOTE: WUXGA display spare parts are available only as subcomponents. WQXGA display assemblies are available only as whole units. For display spare part information, see Display assembly subcomponents on page 20.

WQXGA, without WWAN

N55850-001

WQXGA, with WWAN

N55851-001

(2)

Top cover with keyboard

NOTE: For a detailed list of country codes, see Top cover with keyboard on page 72.

Backlit

N54277-001

Backlit, privacy

N54278-001

Not backlit

N54276-001

(3)

Card reader

N02323-001

NOTE: The card reader cable is available in the Cable Kit using spare part number N09040-001.

(4)

Touchpad

NOTE: The touchpad cable is available in the Cable Kit using spare part number N09040-001.

For use in models without an NFC antenna

N09231-001

For use in models with an NFC antenna

N15438-001

(5)

NFC module

M08706-001

(6)

RTC battery

N15765-001

(7)

Fingerprint reader

N09257-001

NOTE: The fingerprint reader cable is available in the Cable Kit using spare part number N09040-001.

(8)

Speaker kit

N09034-001

(9)

System board (includes integrated processor)

NOTE: All system board spare part kits include replacement thermal material.

All system boards use the following part numbers:

xxxxxx-001: Non-Windows operating systems

xxxxxx-601: Windows operating system

AMD Ryzen 9 PRO 7940HS

N54274-xx1

AMD Ryzen 9 PRO 7940HS, OSR

N54275-xx1

AMD Ryzen 7 PRO 7840HS

N54272-xx1

AMD Ryzen 7 PRO 7840HS, OSR

N54273-xx1

AMD Ryzen 5 PRO 7640HS

N54271-xx1

(10)

Bracket kit

N54280-001

Computer major components 19

Table 3-1 Computer major component descriptions and part numbers (continued)

Item Component

(11)

Heat sink (includes replacement thermal material)

(12)

WLAN module (MediaTek RZ616 Wi-Fi 6E Bluetooth 5.3 AIM-T WLAN)

(13)

Fan

(14)

WWAN module

Intel 5000 5G WWAN module

Intel XMM 7560 R+LTE

(15)

Memory cover (available in the Bracket Kit)

(16)

Memory modules (DDR5-5600)

32 GB

16 GB

8 GB

(17)

Solid-state drive

2 TB, PCIe-4 × 4, TLC

1 TB, PCIe-4 × 4, TLC

1 TB, PCIe-4 × 4, TLC, self-encrypted (SED), OPAL2, TLC

512 GB, PCIe, TLC

512 GB, PCIe-4 × 4

512 GB, PCIe-4 × 4, TLC, self-encrypted (SED), OPAL2, TLC

256 GB, PCIe-4 × 4

256 GB, PCIe-4 × 4, TLC, self-encrypted (SED), OPAL2, TLC

(18)

Solid-state drive cover (included in the Bracket Kit)

(19)

USB board

NOTE: The USB board cables are available in the Cable Kit using spare part number N09040-001.

(20)

Audio connector (available in the Cable Kit)

(21)

Battery

(22)

Bottom cover

Spare part number N13073-001 N22541-002 N09036-001
N00181-002 N00182-002 N54280-001
N50075-002 N38627-002 N37792-002
M52027-002 M16560-002 N23415-002 M17436-002 N45476-002 M52031-002 N45477-002 N35225-002 N54280-001 N09042-001
N09040-001 M73466-002 N55283-001

Display assembly subcomponents
To identify the display assembly subcomponents, use this illustration and table.

20 Chapter 3 Illustrated parts catalog

Table 3-2 Display component descriptions and part numbers

Item Component

(1)

Display panel

NOTE: WUXGA display spare parts are available only as subcomponents. WQXGA display assemblies are available only as whole units. For WQXGA spare part information, see Computer major components on page 18.

WUXGA, 400 nits

WUXGA, 250 nits

WUXGA, 250 nits, touch

WUXGA, 1000 nits, privacy

(2)

Camera modules

Spare part number
N22325-001 N22326-001 N22327-001 N22328-001

Display assembly subcomponents 21

Table 3-2 Display component descriptions and part numbers (continued)

Item Component

RGB

RGB + IR

Microphone module

(3)

Bezel

For use in models with an RGB camera

For use in models with an IR camera

For use in models with a microphone module (no camera)

For use in models with an IR camera and ambient light sensor

For use in models with an RGB camera and ambient light sensor

(4)

Hinge cover (included in Hinge Kit)

(5)

Webcam cable (included in the Display Cable Kit)

(6)

Hinge Kit (includes left and right hinges)

(7)

Display cable (included in the Display Cable Kit)

(8)

WLAN antenna and cable

(9)

WWAN antenna and cable

(10)

Display back cover

Models without WWAN, 250 nit panel

Models with WWAN, 250 nit panel

Models without WWAN, 400 or 1000 nit panel

Models with WWAN, 400 or 1000 nit panel

ACS board

IR hub board

RGB hub board

Display Cable Kit (includes display cable and IR hub board)

Panel Cable Kit (includes cables for ACS, ALS, ALS panel, microphone, RGB webcam, IR

webcam, hub board)

• not illustrated

Bracket kit
To identify the bracket kit components, use this illustration and table.

Spare part number N48854-001 N48855-001 N15440-001
N09022-001 N09021-001 N09023-001 N09024-001 N09025-001 N48853-001 N09041-001 N48853-001 N09041-001 not available as a spare part not available as a spare part
N48845-001 N48846-001 N48844-001 N48843-001 N08540-001 N54282-001 N54281-001 N09041-001 N09039-001

22 Chapter 3 Illustrated parts catalog

Table 3-3 Bracket kit descriptions and part numbers

Item

Component

Bracket kit, includes:

(1)

Memory cover

(2)

Solid-state drive cover

(3)

Fingerprint reader bracket

(4)

USB bracket

SIM tray (not illustrated)

Spare part number N09030-001

Miscellaneous parts
To identify the miscellaneous parts, use this table. Table 3-4 Miscellaneous part descriptions and part numbers
Component AC adapter 280 W AC adapter (PFC, slim, 3P 7.4 mm) 120 W HP Smart Adapter (PFC, slim, 7.4 mm) 120 W HP Smart Adapter (PFC, RC, 4.5 mm) 120 W HP Smart Adapter, slim, PFC, 7.4 mm 65 W AC adapter (USB Type-C, nPFC, 1.8 m (6.0 ft) 65 W AC adapter (USB Type-C, nPFC, slim, 1.8 m (6.0 ft) 65 W AC adapter (USB Type-C) Bracket Kit (includes connector board I/O bracket, fingerprint reader bracket, memory module shield, SIM bracket, and solid-state drive shield) Screw Kit Plastics Kit (includes card reader space holder, fingerprint reader space holder, left and right I/O space holders, and SIM space holder) Adapter HP HDMI-to-VGA adapter

Spare part number
M52952-001 L89695-001 M95377-001 L57117-001 L67440-001 M54350-001 N05175-001 N54280-001
N15474-001 N09031-001
701943-001

Miscellaneous parts 23

Table 3-4 Miscellaneous part descriptions and part numbers (continued) Component HP USB Type-C-to-DisplayPort adapter HP USB Type-C-to-RJ-45 adapter HP USB 3.0-to-RJ-45 adapter HP USB Type-C-to-VGA adapter USB Type-C-to-USB Type-A adapter connector USB-C-to-HDMI 2.0 adapter USB-C-to-USB 3.0 adapter HP Sure Key Cable Lock HP Nano Lock HP 128 Laser Wired Mouse Cable USB Type-C male­to­USB Type-C male cable (1.0 m [3.0 ft]) HP Thunderbolt 4 120 W cable (0.8m [2.7 ft]) HP Thunderbolt 4 280 W cable (0.8m [2.7 ft]) Dock HP Thunderbolt 280 W G4 dock with combination cable HP Thunderbolt 280 W G4 dock with combination cable (TAA) HP Thunderbolt 120 W G4 with cable HP 120 W Thunderbolt dock with cable HP 120 W Thunderbolt dock with cable (TAA) HP USB Type-A/C universal dock with cable HP USB Type-C dock with cable HP USB-C Essential G5 dock HP USB-C travel hub HP universal USB-C multiport hub HP dock audio module (for HP 120 W Thunderbolt dock) Cable kit for HP 120 W Thunderbolt dock Bottom case for HP 120 W Thunderbolt dock Top cap for HP 120 W Thunderbolt dock Screw kit for HP 120 W Thunderbolt dock HP USB-C®-to-USB-A hub Bottom case, USB-C/A Universal Dock Bottom case, USB-C Dock Screw Kit for USB-C/A Universal Dock
24 Chapter 3 Illustrated parts catalog

Spare part number 831753-001 M95985-001 M95984-001 831751-001 L65254-001 935325-001 814618-001 L65088-001 918431-001 M27885-001
L65253-001 M88058-001 M88059-001
M97106-001 N17491-001 M97105-001 L15809-001 N17490-001 L64087-001 L64086-001 N31329-001 L72056-001 M96882-001 L15811-001 L15812-002 L15814-001 L15815-001 L15820-001 916838-001 L64088-001 L65256-001 L64089-001

Table 3-4 Miscellaneous part descriptions and part numbers (continued) Component HP Elite USB-C Multi Port Hub HP USB External DV D+-RW Drive HP USB keyboard for use in the United States HP nano combination cable lock HP essential nano combination cable lock Mouse HP Bluetooth travel mouse HP USB mouse HP 435 wireless mouse HP Business 14.1 laptop bag HP Business 14.1 laptop sleeve HP Executive 15.6 backpack HP Business 17.3 laptop bag HP executive 14.1 slim topload case Power cord, duck head For use in Japan Power cord (C13, 1.0 m [3.3 ft], premium with tag) For use in Argentina For use in Brazil For use in Italy Power cord (C13, 1.0 m [3.3 ft], LW, premium with tag) For use in Australia For use in Denmark For use in Europe For use in India For use in Israel For use in Japan For use in North America For use in the People’s Republic of China For use in South Africa For use in South Korea For use in Switzerland For use in Taiwan For use in the United Kingdom

Spare part number L39572-001 747080-001 L95712-001 N10500-001 N10501-001
L62043-001 L95713-001 M62277-001 M55007-001 M55008-001 L59632-001 M55004-001 L59629-001
L33157-001
L32029-001 L32030-001 L32031-001
N24670-001 N24672-001 N24669-001 N24679-001 N24678-001 N24680-001 N24671-001 N24676-001 N24674-001 N24675-001 N24673-001 N24677-001 N24668-001
Miscellaneous parts 25

Table 3-4 Miscellaneous part descriptions and part numbers (continued) Component Power cord (C5, 1.0 m [3.3 ft], conventional with sticker) For use in Argentina For use in Australia For use in Brazil For use in Denmark For use in Denmark, HF For use in Europe For use in Europe; HF For use in India For use in Israel For use in Italy For use in Japan For use in North America For use in the People’s Republic of China For use in South Africa For use in South Korea For use in Switzerland For use in Switzerland, HF For use in Taiwan For use in Thailand For use in Thailand (bundle) For use in the United Kingdom Power cord (C5, 1.0 m [3.3 ft], conventional with tag) For use in Argentina For use in Australia For use in Brazil For use in Denmark For use in Europe For use in India For use in Israel For use in Italy For use in Japan For use in North America For use in the People’s Republic of China
26 Chapter 3 Illustrated parts catalog

Spare part number
L19357-001 L19358-001 L19359-001 L19360-001 M79264-001 L19361-001 M79266-001 L19363-001 L19362-001 L19364-001 L19365-001 L19367-001 L19368-001 L19369-001 L19366-001 L19370-001 M79265-001 L19372-001 L19371-001 M85418-001 L19373-001
L31379-001 L31380-001 L31381-001 L31382-001 L31383-001 L31385-001 L31384-001 L31386-001 L31387-001 L31389-001 L31390-001

Table 3-4 Miscellaneous part descriptions and part numbers (continued) Component For use in South Africa For use in South Korea For use in Switzerland For use in Taiwan For use in Thailand For use in the United Kingdom Power cord (C5, 1.8 m [6.0 ft], conventional with sticker) For use in Argentina For use in Australia For use in Brazil For use in Brazil For use in Denmark For use in Europe For use in India For use in Israel For use in Italy For use in Japan For use in North America For use in the People’s Republic of China For use in South Africa For use in South Korea For use in Switzerland For use in Taiwan For use in Thailand For use in the United Kingdom

Spare part number L31391-001 L31388-001 L31392-001 L31394-001 L31393-001 L31395-001
L19357-002 L19358-002 L19359-002 L19341-002 L19360-002 L19361-002 L19363-002 L19362-002 L19364-002 L19365-002 L19367-002 L19368-002 L19369-002 L19366-002 L19370-002 L19372-002 L19371-002 L19373-002

Miscellaneous parts 27

4 Removal and replacement procedures preliminary requirements
Use this information to properly prepare to disassemble and reassemble the computer.
Tools required
You need the following tools to complete the removal and replacement procedures: Tweezers Nonconductive, nonmarking pry tool Magnetic Phillips P1 screwdriver
Service considerations
The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.
NOTE: As you remove each subassembly from the computer, place the subassembly (and all accompanying screws) away from the work area to prevent damage.
Plastic parts
Using excessive force during disassembly and reassembly can damage plastic parts.

Cables and connectors
Handle cables with extreme care to avoid damage.
IMPORTANT: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer.
Apply only the tension required to unseat or seat the cables during removal and insertion. Handle cables by the connector whenever possible. In all cases, avoid bending, twisting, or tearing cables. Be sure that cables are routed so that they cannot be caught or snagged as you remove or replace parts. Handle flex cables with extreme care; these cables tear easily.
Drive handling
Note the following guidelines when handling drives.
IMPORTANT: Drives are fragile components. Handle them with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a hard drive, shut down the computer. If you are unsure whether
the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
28 Chapter 4 Removal and replacement procedures preliminary requirements

Before handling a drive, be sure that you are discharged of static electricity. While handling a drive, avoid touching the connector.
Before removing an optical drive, be sure that a disc is not in the drive, and be sure that the optical drive tray is closed.
Handle drives on surfaces covered with at least 2.54 cm (1 inch) of shock- proof foam. Avoid dropping drives from any height onto any surface. After removing a hard drive or an optical drive, place it in a static-proof bag. Avoid exposing an internal hard drive to products that have magnetic fields, such as monitors or
speakers. Avoid exposing a drive to temperature extremes or liquids. If a drive must be mailed, place the drive in a bubble pack mailer or other suitable form of
protective packaging, and label the package “FRAGILE.”
Electrostatic discharge information
A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) might not appear to be affected at all and can work perfectly throughout a normal cycle. The device might function normally for a while, but it has been degraded in the internal layers, reducing its life expectancy. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions. IMPORTANT: To prevent damage to the device when you remove or install internal components, observe these precautions: Keep components in their electrostatic-safe containers until you are ready to install them. Before touching an electronic component, discharge static electricity by using the guidelines
described in Personal grounding methods and equipment on page 30. Avoid touching pins, leads, and circuitry. Handle electronic components as little as possible. If you remove a component, place it in an electrostatic-safe container.
Generating static electricity
Follow these static electricity guidelines: Different activities generate different amounts of static electricity. Static electricity increases as humidity decreases.
Electrostatic discharge information 29

Table 4-1 Static electricity occurrence based on activity and humidity

Relative humidity

Event

55%

40%

Walking across carpet

7,500 V

15,000 V

Walking across vinyl floor

3,000 V

5,000 V

Motions of bench worker

400 V

800 V

Removing dual in-line packages (DIPs) from plastic tube

400 V

700 V

Removing DIPs from vinyl tray

2,000 V

4,000 V

Removing DIPs from polystyrene foam

3,500 V

5,000 V

Removing bubble pack from PCB (printed circuit board)

7,000 V

20,000 V

Packing PCBs in foam-lined box

5,000 V

11,000 V

Multiple electric components can be packaged together in plastic tubes, trays, or polystyrene foam.

10% 35,000 V 12,000 V
6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 V

NOTE: As little as 700 V of static electricity can degrade a product.
Preventing electrostatic damage to equipment
Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity.
The following packaging and grounding precautions are necessary to prevent static electricity damage to electronic components:
To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes.
Protect all electrostatic parts and assemblies with conductive or approved containers or packaging.
Keep electrostatic-sensitive parts in their containers until they arrive at static-free stations.
Place items on a grounded surface before removing them from their container.
Always be properly grounded when touching a sensitive component or assembly.
Avoid contact with pins, leads, or circuitry.
Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive foam.
Personal grounding methods and equipment
Using certain equipment can prevent static electricity damage to electronic components.
Wrist straps are flexible straps with a maximum of 1 M ±10% resistance in the ground cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation.
You can use heel straps, toe straps, and boot straps at standing workstations. These straps are compatible with most types of shoes or boots. On conductive floors or dissipative floor mats, use them on both feet with a maximum of 1 M ±10% resistance between the operator and ground.

30 Chapter 4 Removal and replacement procedures preliminary requirements

Table 4-2 Static shielding protection levels Static shielding protection levels Method Antistatic plastic Carbon-loaded plastic Metallized laminate

Voltage 1,500 7,500
15,000

Grounding the work area
To prevent static damage at the work area, follow these precautions: Cover the work surface with approved static-dissipative material. Use a wrist strap connected to a properly grounded work surface and use properly grounded tools
and equipment. Use static-dissipative mats, foot straps, or air ionizers to give added protection. Handle electrostatic sensitive components, parts, and assemblies by the case or PCB laminate.
Handle them only at static-free work areas. Turn off power and input signals before inserting and removing connectors or test equipment. Use fixtures made of static-safe materials when fixtures must directly contact dissipative surfaces. Keep the work area free of nonconductive materials, such as ordinary plastic assembly aids and
polystyrene foam. Use conductive field service tools, such as cutters, screwdrivers, and vacuums. Avoid contact with pins, leads, or circuitry.
Recommended materials and equipment
HP recommends certain materials and equipment to prevent static electricity: Antistatic tape Antistatic smocks, aprons, or sleeve protectors Conductive bins and other assembly or soldering aids Conductive foam Conductive tabletop workstations with ground cord of 1 M ±10% resistance Static-dissipative table or floor mats with hard tie to ground Field service kits Static awareness labels Wrist straps and footwear straps providing 1 M ±10% resistance Material handling packages

Grounding the work area 31

Conductive plastic bags Conductive plastic tubes Conductive tote boxes Opaque shielding bags Transparent metallized shielding bags Transparent shielding tubes
Cleaning your computer
Cleaning your computer regularly removes dirt and debris so that your device continues to operate at its best. Use the following information to safely clean the external surfaces of your computer.
Enabling HP Easy Clean (select products only)
HP Easy Clean helps you to avoid accidental input while you clean the computer surfaces. This software disables devices such as the keyboard, touch screen, and touchpad for a preset amount of time so that you can clean all computer surfaces. 1. Start HP Easy Clean in one of the following ways:
Select the Start menu, and then select HP Easy Clean. ­ or ­
Select the HP Easy Clean icon in the taskbar. ­ or ­
Select Start, and then select the HP Easy Clean tile. 2. Now that your device is disabled for a short period, see Removing dirt and debris from your
computer on page 32 for the recommended steps to clean the high-touch, external surfaces on your computer. After you remove the dirt and debris, you can also clean the surfaces with a disinfectant. See Cleaning your computer with a disinfectant on page 33 for guidelines to help prevent the spread of harmful bacteria and viruses.
Removing dirt and debris from your computer
Here are the recommended steps to clean dirt and debris from your computer. For computers with wood veneer, see Caring for wood veneer (select products only) on page 34. 1. Wear disposable gloves made of latex (or nitrile gloves, if you are latex-sensitive) when cleaning the
surfaces. 2. Turn off your device and unplug the power cord and other connected external devices. Remove any
installed batteries from items such as wireless keyboards.
CAUTION: To prevent electric shock or damage to components, never clean a product while it is turned on or plugged in.
32 Chapter 4 Removal and replacement procedures preliminary requirements

3. Moisten a microfiber cloth with water. The cloth should be moist, but not dripping wet.
IMPORTANT: To avoid damaging the surface, avoid abrasive cloths, towels, and paper towels.
4. Wipe the exterior of the product gently with the moistened cloth.
IMPORTANT: Keep liquids away from the product. Avoid getting moisture in any openings. If liquid makes its way inside your HP product, it can cause damage to the product. Do not spray liquids directly on the product. Do not use aerosol sprays, solvents, abrasives, or cleaners containing hydrogen peroxide or bleach that might damage the finish.
5. Start with the display (if applicable). Wipe carefully in one direction, and move from the top of the display to the bottom. Finish with any flexible cables, like power cord, keyboard cable, and USB cables.
6. Be sure that surfaces have completely air-dried before turning the device on after cleaning.
7. Discard the gloves after each cleaning. Clean your hands immediately after you remove the gloves.
See Cleaning your computer with a disinfectant on page 33 for recommended steps to clean the high-touch, external surfaces on your computer to help prevent the spread of harmful bacteria and viruses.
Cleaning your computer with a disinfectant
The World Health Organization (WHO) recommends cleaning surfaces, followed by disinfection, as a best practice for preventing the spread of viral respiratory illnesses and harmful bacteria.
After cleaning the external surfaces of your computer using the steps in Removing dirt and debris from your computer on page 32, Caring for wood veneer (select products only) on page 34, or both, you might also choose to clean the surfaces with a disinfectant. A disinfectant that is within HP’s cleaning guidelines is an alcohol solution consisting of 70% isopropyl alcohol and 30% water. This solution is also known as rubbing alcohol and is sold in most stores.
Follow these steps when disinfecting high-touch, external surfaces on your computer:
1. Wear disposable gloves made of latex (or nitrile gloves, if you are latex- sensitive) when cleaning the surfaces.
2. Turn off your device and unplug the power cord and other connected external devices. Remove any installed batteries from items such as wireless keyboards.
CAUTION: To prevent electric shock or damage to components, never clean a product while it is turned on or plugged in.
3. Moisten a microfiber cloth with a mixture of 70% isopropyl alcohol and 30% water. The cloth should be moist, but not dripping wet.
CAUTION: Do not use any of the following chemicals or any solutions that contain them, including spray-based surface cleaners: bleach, peroxides (including hydrogen peroxide), acetone, ammonia, ethyl alcohol, methylene chloride, or any petroleum-based materials, such as gasoline, paint thinner, benzene, or toluene.
IMPORTANT: To avoid damaging the surface, avoid abrasive cloths, towels, and paper towels.
Cleaning your computer with a disinfectant 33

4. Wipe the exterior of the product gently with the moistened cloth.
IMPORTANT: Keep liquids away from the product. Avoid getting moisture in any openings. If liquid makes its way inside your HP product, it can cause damage to the product. Do not spray liquids directly on the product. Do not use aerosol sprays, solvents, abrasives, or cleaners containing hydrogen peroxide or bleach that might damage the finish.
5. Start with the display (if applicable). Wipe carefully in one direction, and move from the top of the display to the bottom. Finish with any flexible cables, like power cord, keyboard cable, and USB cables.
6. Be sure that surfaces have completely air-dried before turning the device on after cleaning. 7. Discard the gloves after each cleaning. Clean your hands immediately after you remove the gloves.
Caring for wood veneer (select products only)
Your product might feature high-quality wood veneer. As with all natural wood products, proper care is important for best results over the life of the product. Because of the nature of natural wood, you might see unique variations in the grain pattern or subtle variations in color, which are normal. Clean the wood with a dry, static-free microfiber cloth or chamois. Avoid cleaning products containing substances such as ammonia, methylene chloride, acetone,
turpentine, or other petroleum-based solvents. Do not expose the wood to sun or moisture for long periods of time. If the wood becomes wet, dry it by dabbing with an absorbent, lint-free cloth. Avoid contact with any substance that might dye or discolor the wood. Avoid contact with sharp objects or rough surfaces that might scratch the wood. See Removing dirt and debris from your computer on page 32 for the recommended steps to clean the high-touch, external surfaces on your computer. After you remove the dirt and debris, you can also clean the surfaces with a disinfectant. See Cleaning your computer with a disinfectant on page 33 for sanitizing guidelines to help prevent the spread of harmful bacteria and viruses.
Packaging and transporting guidelines
Follow these grounding guidelines when packaging and transporting equipment: To avoid hand contact, transport products in static-safe tubes, bags, or boxes. Protect ESD-sensitive parts and assemblies with conductive or approved containers or packaging. Keep ESD-sensitive parts in their containers until the parts arrive at static-free workstations. Place items on a grounded surface before removing items from their containers. Always be properly grounded when touching a component or assembly. Store reusable ESD-sensitive parts from assemblies in protective packaging or
nonconductive foam.
34 Chapter 4 Removal and replacement procedures preliminary requirements

Use transporters and conveyors made of antistatic belts and roller bushings. Be sure that mechanized equipment used for moving materials is wired to ground and that proper materials are selected to avoid static charging. When grounding is not possible, use an ionizer to dissipate electric charges.

Accessing support information

To find the HP support that you need, use this information.

Table 4-3 Support information locations

Service consideration

Path to access information

Records of reported failure incidents stored on the computer

Windows®:
Preoperating system failures are logged in the BIOS Event Log. To view the BIOS Event Log:

1. Press the power button.

2. Immediately and repeatedly press esc when the power button light turns white.

NOTE: If you do not press esc at the appropriate time, you must restart the computer and again repeatedly press esc when the power button light turns white to access the utility.

3. Press f10 to enter the BIOS setup.

4. (On commercial products) Under the Main tab, select BIOS event log, and then select View BIOS Event Log.

– or –

(On consumer products) Under the Main tab, select System Log.

Post-operating system failures are logged in the Event Viewer.

1. Turn on the computer and allow the operating system to open.

2. Select the search icon in the taskbar.

Technical bulletins

3. Type Event Viewer, and then press enter. 4. Select the log from the left panel. Details display in the right panel. ChromeTM: 1. Go to support.google.com/chrome. 2. Search collect Chrome device logs. To locate technical bulletins: 1. Go to www.hp.com. 2. Place the cursor over Problem solving to display more options. 3. Select Support & Troubleshooting. 4. Type the serial number, product number, or product name to go to the
product support page. 5. Select Advisories to view technical bulletins.

Accessing support information 35

Table 4-3 Support information locations (continued)

Service consideration

Path to access information

Repair professionals

To locate repair professionals:

1. Go to www.hp.com.

2. Place the cursor over Support resources to display more options.

3. Select Authorized service providers.

Component and diagnosis information, failure detection, and required action

To locate diagnosis information and actions: 1. Go to http://www.hp.com/go/techcenter/pcdiags.

2. Select Get Support.

3. Near the bottom of the window, select Notebook PCs, and then select your location.

36 Chapter 4 Removal and replacement procedures preliminary requirements

5 Removal and replacement procedures for authorized service provider parts

This chapter provides removal and replacement procedures for authorized service provider parts.
IMPORTANT: Only an authorized service provider should access the components described in this chapter. Accessing these parts can damage the computer or void the warranty.
NOTE: Details about your computer, including model, serial number, product key, and length of warranty, are on the service tag at the bottom of your computer.

Component replacement procedures
To remove and replace computer components, use the procedures described in this section.

NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions.

Make special note of each screw size and location during removal and replacement.

Preparation for disassembly
To remove and replace computer components, use these procedures:
For initial safety procedures, see Removal and replacement procedures preliminary requirements on page 28.
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.

Bottom cover
To remove the bottom cover, use this procedure and illustration. Table 5-1 Bottom cover description and part number
Description Bottom cover

Spare part number N55283-001

Before removing the bottom cover, prepare the computer for disassembly (see Preparation for disassembly on page 37).
Remove the bottom cover:

Removal and replacement procedures for authorized service provider parts 37

1. Remove the five Phillips M2.5 × 4.0 captive screws that secure the bottom cover to the computer.
2. Use a nonmarking, nonconductive tool (1) to release the edges of the bottom cover from the computer.
3. Remove the bottom cover from the computer (2).
To replace the bottom cover, reverse the removal procedures.
Battery
To remove the battery, use this procedure and illustration.
38 Chapter 5 Removal and replacement procedures for authorized service provider parts

Table 5-2 Battery description and part number Description Battery

Spare part number M73466-002

WARNING! To avoid personal injury and damage to the product:
Do not puncture, twist, or crack the battery. Do not cause an external puncture or rupture to the battery. They can cause a short inside the
battery, which can result in battery thermal runaway.
Do not handle or touch the battery enclosure with sharp objects such as tweezers or pliers, which might puncture the battery.
Do not compress or squeeze the battery case with tools or heavy objects stacked on top of the case. These actions can apply undue force on the battery.
Do not touch the connectors with any metallic surface or object, such as metal tools, screws, or coins, which can cause shorting across the connectors.
Before removing the battery, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 37).
2. Remove the bottom cover (see Bottom cover on page 37).
WARNING! To reduce potential safety issues, use only the user-replaceable battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP.
IMPORTANT: Removing a battery that is the sole power source for the computer can cause loss of information. To prevent loss of information, save your work or shut down the computer through Windows before you remove the battery.
Remove the battery:
1. Disconnect the battery cable (1) from the system board.
2. Remove the four Phillips M2.0 × 4.0 screws (2) that secure the battery to the computer.

Battery 39

3. Remove the battery from the computer (3).

To install the battery, reverse the removal procedures.
Memory modules
To remove the memory modules, use this procedure and illustration. Table 5-3 Memory module descriptions and part numbers
Description 32 GB, DDR5-5600 16 GB, DDR5-5600 8 GB, DDR5-5600 Memory module cover (included in Bracket Kit)

Spare part number N50075-002 N38627-002 N37792-002 N54280-001

Before removing the memory, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). If you are replacing a memory module, remove the existing memory module: 1. Peel off the tape and then remove the memory module cover.

40 Chapter 5 Removal and replacement procedures for authorized service provider parts

2. Spread the two retention clips outward (1) until the memory module tilts up at a 45° angle, and then remove the module (2). Use the same procedure to remove all memory modules. IMPORTANT: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module.
To protect a memory module after removal, place it in an electrostatic-safe container. To install a memory module: 1. Align the notched edge of the module with the tab in the slot (1), and then press the module into the
slot at an angle until it is seated (2).
Memory modules 41

2. Press down on the module until the side retention clips snap into place (3).

WLAN module
To remove the WLAN module, use this procedure and illustration. Table 5-4 WLAN module descriptions and part numbers
Description MediaTek RZ616 Wi-Fi 6E Bluetooth 5.3 AIM-T WLAN

Spare part number N22541-002

IMPORTANT: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support.
Before removing the WLAN module, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 37).
2. Remove the bottom cover (see Bottom cover on page 37).
3. Remove the battery (see Battery on page 38).
Remove the WLAN module:
1. Carefully disconnect the two antenna cables from the module (1).

42 Chapter 5 Removal and replacement procedures for authorized service provider parts

2. Remove the Phillips M2.0 × 2.5 screw (2), and then remove the WLAN module (3).
NOTE: Models have either one or two WLAN antennas. On models with two antennas, the #1 white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna cable connects to the WLAN module #1 Aux terminal.

3. If the WLAN antenna is not connected to the terminal on the WLAN module, install a protective sleeve on the antenna connector, as shown in the following illustration.

To install a WLAN module, reverse this procedure.
WWAN module
To remove the WWAN module, use this procedure and illustration.

WWAN module 43

Table 5-5 WWAN module descriptions and part numbers Description Intel 5000 5G WWAN module Intel XMM 7560 R+LTE

Spare part number N00181-002 N00182-002

IMPORTANT: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support.
Before removing the WWAN module, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 37).
2. Remove the bottom cover (see Bottom cover on page 37).
3. Remove the battery (see Battery on page 38).
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
2. Remove the Phillips M2.0 × 2.0 screw (2) that secures the WWAN module to the bottom cover. The WWAN module tilts up.
3. Remove the WWAN module (3) by pulling the module away from the slot at an angle.
NOTE: Models have either one or two WLAN antennas. On models with two antennas, the #1 white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna cable connects to the WLAN module #1 Aux terminal.

44 Chapter 5 Removal and replacement procedures for authorized service provider parts

4. If the WWAN antenna is not connected to the terminal on the WWAN module, a protective sleeve must be installed on the antenna connector, as shown in the following illustration.
To install a WWAN module, reverse this procedure.
Solid-state drive
To remove the M.2 solid-state drive, use this procedure and illustration. Solid-state drive 45

Table 5-6 Solid-state drive descriptions and part numbers Description 2 TB, PCIe-4 × 4, TLC 1 TB, PCIe-4 × 4, TLC 1 TB, PCIe-4 × 4, TLC, self-encrypted (SED), OPAL2, TLC 512 GB, PCIe, TLC 512 GB, PCIe-4 × 4 512 GB, PCIe-4 × 4, TLC, self-encrypted (SED), OPAL2, TLC 256 GB, PCIe-4 × 4 256 GB, PCIe-4 × 4, TLC, self-encrypted (SED), OPAL2, TLC Solid-state drive cover (included in the Bracket Kit)

Spare part number M52027-002 M16560-002 N23415-002 M17436-002 N45476-002 M52031-002 N45477-002 N35225-002 N54280-001

Before removing the solid-state drive, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the solid-state drive: 1. Peel off the tape securing the solid-state drive cover (1), and then remove the cover (2).

46 Chapter 5 Removal and replacement procedures for authorized service provider parts

2. Remove the Phillips M2.0 × 2.5 screw (1) that secures the drive to the computer, and then pull the drive away from the socket to remove it (2).

To install a solid-state drive, reverse the removal procedures. NOTE: Solid- state drives are designed with a notch to prevent incorrect insertion.

Speakers
To remove the speakers, use this procedure and illustration. Table 5-7 Speaker description and part number
Description Speaker Kit

Spare part number N09034-001

Before removing the speakers, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the speakers: 1. Disconnect the speaker cables (1) from the system board. 2. Remove the four Phillips M2.0 × 2.4 broad head screws (2) that secure the speakers to the computer. 3. Remove the speakers from the computer (3).
When removing the speakers, make note of the location of the four rubber isolator locations (4). The absence of or damage to these isolators can result in degraded speaker performance.

Speakers 47

To install the speakers, reverse this procedure.
Card reader board
To remove the card reader board, use this procedure and illustration. Table 5-8 Card reader board description and part number
Description Card reader board Card reader board cable (included in Cable Kit)

Spare part number N02323-001 N09040-001

Before removing the card reader board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the card reader board: 1. Disconnect the cable (1) that secures the card reader board to the system board, and then remove
it (2).

48 Chapter 5 Removal and replacement procedures for authorized service provider parts

2. Remove the three Phillips M.2.0 × 2.0 screws (3) that secure the card reader to the computer, and then lift out the card reader (4).

To install the card reader board, reverse this procedure.
Heat sink
To remove the heat sink, use these procedures and illustrations. Table 5-9 Heat sink descriptions and part numbers
Description Heat sink

Spare part number N13073-001

Before removing the heat sink, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the heat sink: 1. In the order indicated on the heat sink, remove the Phillips M2.0 × 4.0 screws (1) that secure the heat
sink to the computer. 2. Remove the heat sink from the computer (2).
UMA models

Heat sink 49

Discrete models
3. Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits. The following illustration shows the replacement thermal material locations. Thermal paste is used on the system board components (1) and on the heat sink areas (2) that service them. UMA models
50 Chapter 5 Removal and replacement procedures for authorized service provider parts

Discrete models

Fan

To install the heat sink, reverse this procedure.
To remove the fan, use this procedure and illustration. Table 5-10 Fan description and part number
Description Fan

Spare part number N09036-001

Before removing the fan, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37).

Fan 51

2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the fan assembly: 1. Remove the cables from the clips (1) on the side of the fan. 2. Remove the three Phillips M2.0 × 5.0 screws (2) that secure the fan to the computer. 3. Disconnect the fan cable from the system board (3), and then remove the fan from the computer (4).

To install the fan assembly, reverse this procedure.
USB board
To remove the USB board, use this procedure and illustration. Table 5-11 USB board description and part number
Description USB board USB board cables (included in the Cable Kit)

Spare part number N09042-001 N09040-001

Before removing the USB board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the USB board: 1. Disconnect the cable (1) from the ZIF connector on the USB board. 2. Remove the SIM card holder from the computer (2). 3. Remove the three Phillips M2.0 × 4.0 screws (3) that secure the board to the computer, and then
remove the first bracket from the board (4).

52 Chapter 5 Removal and replacement procedures for authorized service provider parts

4. Remove the second bracket from the USB board (5). 5. Remove the USB board from the computer (6).

To install the USB board, reverse this procedure.
Fingerprint reader board
To remove the fingerprint reader board, use this procedure and illustration. Table 5-12 Fingerprint reader board description and part number
Description Fingerprint reader board Fingerprint reader board cable (included in the Cable Kit)

Spare part number N09257-001 N09040-001

Before removing the fingerprint reader board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the fingerprint reader board: 1. Remove the Phillips M2.0 × 2.5 broad head screw (1) that secures the fingerprint reader bracket to
the computer. 2. Remove the fingerprint reader bracket (2).
The fingerprint reader bracket is included in the Bracket Kit, spare part number N09030-001. 3. Disconnect the cable from the ZIF connector on the fingerprint reader (3). 4. Detach the fingerprint reader cable (4) from the computer. The fingerprint reader cable is attached
with double-sided adhesive.

Fingerprint reader board 53

5. Remove the fingerprint reader (5).

To install the fingerprint reader board, reverse this procedure.
NFC module
To remove the NFC module, use this procedure and illustration. Table 5-13 NFC module description and part number
Description NFC module NFC module cable (included in the Cable Kit)

Spare part number M08706-001 N09040-001

Before removing the NFC module, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the NFC module: 1. Disconnect the cable from the ZIF connector on the NFC module (1).

54 Chapter 5 Removal and replacement procedures for authorized service provider parts

2. Detach the NFC module (2) from the computer. The NFC module is attached with double-sided adhesive.

To install the NFC module, reverse this procedure.
Audio connector
To remove the audio connector, use this procedure and illustration. Table 5-14 Audio connector description and part number
Description Audio connector (included in the Cable Kit)

Spare part number N09040-001

Before removing the power connector, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the audio connector: 1. Disconnect the cable (1) from the system board. 2. Remove the Phillips M2.0 × 5.0 screw (2) that secures the audio connector to the computer.

Audio connector 55

3. Remove the audio connector from the computer (3).

To the audio connector, reverse this procedure.
Touchpad
To remove the touchpad, use this procedure and illustration. Table 5-15 Touchpad description and part number
Description Touchpad for use in models without an NFC antenna Touchpad for use in models with an NFC antenna Touchpad cable (available in the Cable Kit)

Spare part number N09231-001 N15438-001 N09040-001

Before removing the touchpad, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the touchpad: 1. Disconnect the NFC cable (1) from the reverse ZIF connector on the NFC module. 2. Disconnect the touchpad cable (2) from the ZIF connector on the touchpad. 3. Remove the seven Phillips M2.0 × 3.0 screws (3) that secure the touchpad bracket to the computer.

56 Chapter 5 Removal and replacement procedures for authorized service provider parts

4. Remove the touchpad (4) from the computer.

To install the touchpad, reverse this procedure.
RTC battery
To remove the RTC battery, use this procedure and illustration. Table 5-16 RTC battery description and part number
Description RTC battery

Spare part number N15765-001

Before removing the RTC battery, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38). Remove the RTC battery:

RTC battery 57

Disconnect the RTC battery (1), and then use a tool to lift and remove the battery (2) from the computer.

To install the RTC battery, reverse this procedure.
System board
To remove the system board, use these procedures and illustrations. Table 5-17 System board descriptions and part numbers
Description System board (includes processor): All system boards use the following part numbers: xxxxxx-001: Non-Windows operating system xxxxxx-601: Windows operating system AMD Ryzen 9 PRO 7940HS AMD Ryzen 9 PRO 7940HS, OSR AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS, OSR AMD Ryzen 5 PRO 7640HS

Spare part number
N54274-xx1 N54275-xx1 N54272-xx1 N54273-xx1 N54271-xx1

Before removing the system board, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 37). 2. Remove the bottom cover (see Bottom cover on page 37). 3. Remove the battery (see Battery on page 38).

58 Chapter 5 Removal and replacement procedures for authorized service provider parts

When you replace the system board, be sure to remove the following components (as applicable) from the defective system board and install them on the replacement system board: WLAN module (see WLAN module on page 42). WWAN module (see WWAN module on page 43). Solid-state drive (see Solid-state drive on page 45). Heat sink (see Heat sink on page 49). Remove the system board: 1. Disconnect the following cables from the system board:
Display panel cable (1) Antenna cables from the WLAN module (2) Speaker cable (3) Keyboard cable (ZIF) (4) Card reader cable (ZIF) (5) Touchpad cable (ZIF) (6) Keyboard backlight cable (ZIF) (select products only) (7) NFC cable (8) RTC battery cable (9) Fingerprint reader cable (ZIF) (select products only) (10) Antenna cables from the WWAN module (select models only) (11) Speaker cable (12) Camera module (hub) cable (13) USB board cable (14)
System board 59

2. Remove the four Phillips M2.0 × 4.0 screws (1) that secure the bracket to the system board, and then remove the bracket (2). The plastic bracket is available in the Plastics Kit as spare part number N09031-001.
3. Remove the two Phillips M2.0 × 4.0 screws (1), four Phillips M2.0 × 2.0 screws (2), and the M1.6 × 4.0 screw

References

• HP Marketing Document Library
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• support.hp.com
• Experience the Power of Windows 11 OS, Computers & Apps | Microsoft
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• Resolving Blue Screen errors in Windows - Microsoft Support
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• Tips to improve PC performance in Windows - Microsoft Support
• Laptop Computers, Desktops, Printers, Ink & Toner | HP® United Kingdom
• Laptop Computers, Desktops, Printers, Ink & Toner | HP® Official Site
• index | HP® Official Site
• HP PC Hardware Diagnostics | HP® Support
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• Laptop Computers, Desktops, Printers, Ink & Toner | HP® Official Site
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• Windows Dev Center | Microsoft Developer
• Bug Check 0x79 MISMATCHED_HAL - Windows drivers | Microsoft Learn
• Bug Check Code Reference - Windows drivers | Microsoft Learn
• Microsoft Learn: Build skills that open doors in your career
• support.hp.com/emea_africa-en/document/c01443371
• support.hp.com/us-en/contact-
• support.hp.com/us-en/contact-hp
• HP PC Hardware Diagnostics | HP® Support
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