DELL Latitude 5421 Laptop User Manual

DELL Latitude 5421 Laptop

Notes, cautions, and warnings

• NOTE : A NOTE indicates important information that helps you make better use of your product.
• CAUTION : A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
• WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

© 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

Regulatory Model : P137G
Regulatory Type: P137G003/P137G004 July 2021 Rev. A01

Set up your Latitude 5421

NOTE : The images in this document may differ from your computer depending on the configuration you ordered.

1. Connect the power adapter and press the power button.
   NOTE: To conserve battery power, the battery might enter power saving mode. Connect the power adapter and press the power button to turn on the computer.

2. Finish operating system setup.

3. For Ubuntu:

4. Follow the on-screen instructions to complete the setup. For more information about installing and configuring Ubuntu, see the knowledge base articles SLN151664 and SLN151748 at www.dell.com/support.

5. For Windows:

6. Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you:

7. Connect to a network for Windows updates.
   NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted.

8. If connected to the internet, sign-in with or create a Microsoft account. If not connected to the internet, create an offline account.

9. n the Support and Protection screen, enter your contact details.

10. Locate and use Dell apps from the Windows Start menu—Recommended.

Table 1. Locate Dell apps

Register your computer with Dell.

Views of Latitude 5421

Topics

• Right
• Left
• Front
• Base
• Top
• Rear
• Battery charge and status LED

Right

1. microSD-card slot
2. Universal audio jack
3. USB 3.2 Gen 1 port
4. USB 3.2 Gen 1 port with PowerShare
5. HDMI 2.0 port
6. RJ-45 Ethernet port
7. Wedge-shaped lock slot

Left

1. Thunderbolt 4 port with DisplayPort Alt Mode/USB4/Power Delivery
2. Thunderbolt 4 port with DisplayPort Alt Mode/USB4/Power Delivery
3. Thermal vents
4. Smart card reader slot (optional)

Front

1. Proximity sensor (optional)
2. Microphone
3. IR LED (optional)
4. RGB camera/ RGB IR camera (optional)
5. Camera indicator LED (optional)
6. Microphone
7. LCD panel
8. Battery indicator LED/diagnostic LED

Base

1. Speakers
2. Service Tag label
3. Thermal vent

Top

1. Privacy shutter
2. Power button with fingerprint reader (optional)
3. Keyboard
4. NFC/contactless card (optional)
5. Clickpad

Rear

1. microSIM-card tray (optional)

Battery charge and status LED

Table 2. Battery charge and status LED Indicator

Power Source| LED Behavior| computer Power State| Battery Charge Level
---|---|---|---
AC Adapter| Off| S0 – S5| Fully Charged
AC Adapter| Solid White| S0 – S5| < Fully Charged
Battery| Off| S0 – S5| 11-100%
Battery| Solid Amber (590+/-3 nm)| S0 – S5| < 10%

• S0 (ON) – Computer is turned on.
• S4 (Hibernate) – The computer consumes the least power compared to all other sleep states. The computer is almost at an OFF state, expect for a trickle power. The context data is written to hard drive.
• S5 (OFF) – The computer is in a shutdown state.

Specifications of Latitude 5421

Topics:

1. Dimensions and weight
2. Processor
3. Chipset
4. Operating system
5. Memory
6. External ports
7. Internal slots
8. Ethernet
9. Wireless module
10. WWAN module
11. Audio
12. Storage
13. Media-card reader
14. Keyboard
15. Camera
16. Clickpad
17. Power adapter
18. Battery
19. Display
20. Fingerprint reader (optional)
21. GPU—Integrated
22. GPU—Discrete
23. Operating and storage environment
24. Sensor and control

Dimensions and weight

The following table lists the height, width, depth, and weight of your Latitude 5421.

Table 3. Dimensions and weight

Height:
| Front height| 20.95 mm (0.82 in)
| Rear height| 23.60 mm (0.92 in)
Width| 321.35 mm (12.65 in)
Depth| 212 mm (8.34 in)
Weight (minimum)| 1.49 kg (3.30 lb)

NOTE: The weight of your computer depends on the configuration ordered and manufacturing variability.

Processor

The following table lists the details of the processors supported by your Latitude 5421.

Table 4. Processor

GHz
Processor cache| 12 MB| 12 MB| 24 MB
Integrated graphics| Intel UHD Graphics| Intel UHD Graphics| Intel UHD Graphics

Chipset

The following table lists the details of the chipset supported by your Latitude 5421.

Table 5. Chipset

Operating system

Your Latitude 5421 supports the following operating systems:

• Windows 10 Home, 64-bit
• Windows 10 Pro, 64-bit
• Ubuntu Linux 20.04 LTS

Memory

The following table lists the memory specifications of your Latitude 5421.

Table 6. Memory specifications

●    8 GB, 2 x 4 GB, DDR4, dual-channel

●    16 GB, 1 x 16 GB, DDR4

●    16 GB, 2 x 8 GB, DDR4, dual-channel

●    32 GB, 1 x 32 GB, DDR4

●    32 GB, 2 x 16 GB, DDR4, dual-channel

●    64 GB, 2 x 32 GB, DDR4, dual-channel

External ports

The following table lists the external ports of your Latitude 5421.

Table 7. External ports

●    One USB 3.2 Gen 1 port with PowerShare

●    Two Thunderbolt 4 ports with DisplayPort Alt Mode/ USB4/Power Delivery

Audio port| One Universal audio jack
Video port| One HDMI 2.0 port
Media-card reader| ●    One microSD-card slot

●    One microSIM-card tray (optional)

●    One smart card reader (optional)

Power-adapter port| DC-in USB Type-C
Security-cable slot| One wedge-shaped lock slot

Internal slots

The following table lists the internal slots of your Latitude 5421.

Table 8. Internal slots

●    One M.2 2230/2280 slot for solid-state drive

●    One M.2 3042 slot for upsell WWAN card

NOTE: To learn more about the features of different types of M.2 cards, see the knowledge base article 000144170 at www.dell.com/support.

Ethernet

The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Latitude 5421.

Table 9. Ethernet specifications

Wireless module

The following table lists the Wireless Local Area Network (WLAN) module specifications of your Latitude 5421.

Table 10. Wireless module specifications

●    WiFi 802.11n

●    WiFi 802.11ac

| ●    Wi-Fi 802.11a/b/g

●    Wi-Fi 4 (WiFi 802.11n)

●    Wi-Fi 5 (WiFi 802.11ac)

●    Wi-Fi 6 (WiFi 802.11ax)

| ●    Wi-Fi 802.11a/b/g

●    Wi-Fi 4 (WiFi 802.11n)

●    Wi-Fi 5 (WiFi 802.11ac)

●    Wi-Fi 6 (WiFi 802.11ax)

Encryption| ●    64-bit and 128-bit WEP

●    128-bit AES-CCMP

●    TKIP

| ●    64-bit and 128-bit WEP

●    128-bit AES-CCMP

●    TKIP

| ●    64-bit and 128-bit WEP

●    128-bit AES-CCMP

●    TKIP

Bluetooth| 5.0| 5.2| 5.2

WWAN module

The following table lists the Wireless Wide Area Network (WWAN) module supported on your Latitude 5421.

Table 11. WWAN module specifications

●    LTE TDD: 347 Mbps DL/30 Mbps UL (Cat 9)

●    UMTS/HSPA+: UMTS 384 kbps DL/384 kbps UL

Frequency bands supported| (1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 17, 18, 19, 20, 21, 26, 28, 29, 30,

38, 39, 40, 41, 66), HSPA+ (1, 2, 4, 5, 8)

Wireless standards| ●    LTE Category 16

●    UMTS/HSPA+

Encryption| Not supported
Global Navigation Satellite System (GNSS)| Supports GPS, BDS, and GLONASS
  NOTE: For instructions on how to find your computer’s IMEI (International Mobile Station Equipment Identity) number, see the knowledge base article 000143678 at www.dell.com/support.

Audio

The following table lists the audio specifications of your Latitude 5421.

Table 12. Audio specifications

Storage

This section lists the storage options on your Latitude 5421. Your computer supports one of the following configurations:

• M.2 drive x1

The primary drive of your computer varies with the storage configuration.

Table 13. Storage specifications

GB/512 GB

Media-card reader

The following table lists the media cards supported by your Latitude 5421.

Table 14. Media-card reader specifications

●    micro-Secure Digital High Capacity (mSDHC)

●    micro-Secure Digital Extended Capacity (mSDXC)

  NOTE: The maximum capacity supported by the media-card reader varies depending on the standard of the media card installed in your computer.

Keyboard

The following table lists the keyboard specifications of your Latitude 5421.

Table 15. Keyboard specifications

●    Standard non-backlit keyboard

Keyboard layout| QWERTY
Number of keys| ●    United States and Canada: 79 keys
Description| Values
---|---
| ●    United Kingdom: 80 keys

●    Japan: 83 keys

Keyboard size| X=19.05 mm key pitch Y=18.05 mm key pitch
Keyboard shortcuts| Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform secondary functions. To type the alternate character, press Shift and the desired key. To perform secondary functions, press Fn and the desired key.

NOTE: You can define the primary behavior of the function keys (F1–F12) changing Function Key Behavior in BIOS setup program. Keyboard shortcuts

Camera

The following table lists the camera specifications of your Latitude 5421.

Table 16. Camera specifications

sensor/express sign- in
Camera location| Front Camera| Front camera| Front camera
Camera sensor type| CMOS sensor technology| CMOS sensor technology| CMOS sensor technology
Camera resolution:| | |
| Still image| 0.92 megapixel| 0.92 megapixel| 2.07 megapixels
| Video| 1280 x 720 (HD) at 30 fps| 1280 x 720 (HD) at 30 fps| 1920 x 1080 (FHD) at 30 fps
Infrared camera resolution:| | |
| Still image| NA| 0.23| 0.23
| Video| NA| 640 x 360 at 15 fps| 640 x 360 at 15 fps
Diagonal viewing angle:| | |
| Camera| 78.60 degrees| 87 degrees| 87.60 degrees
| Infrared camera| NA| 87 degrees| 87.60 degrees

Clickpad

The following table lists the Clickpad specifications of your Latitude 5421.

Table 17. Clickpad specifications

Windows 10, see the Microsoft knowledge base article 4027871 at support.microsoft.com.

Power adapter

The following table lists the power adapter specifications of your Latitude 5421.

Table 18. Power adapter specifications

NOTE: 90 W is supported only in UMA configuration.

| 130 W AC adapter, USB-C
Input voltage| 100 VAC x 240 VAC| 100 VAC x 240 VAC
Input frequency| 50 Hz x 60 Hz| 50 Hz x 60 Hz
Input current (maximum)| 1.50 A| 1.80 A
Output current (continuous)| ●    20 V/4.50 A

●    15 V/3 A

●    9 V/3 A

●    5 V/3 A

| ●    20 V/6.50 A

●    5 V/1 A

Rated output voltage| 20 VDC/15 VDC/9 VDC/5 VDC| 20 VDC/5 VDC
Weight| 0.64 lbs (0.29 kg)| 0.77 lbs (0.35 kg)
Dimensions (inches)| 0.87 x 2.60 x 5.12| 0.87 x 2.60 x 5.63
Dimensions (mm)| 22 x 66 x 130| 22 x 66 x 143
Temperature range:| |
| Operating| 0°C to 40°C (32°F to 104°F)| 0°C to 40°C (32°F to 104°F)
| Storage| -40°C to 70°C (-40°F to 158°F)| -40°C to 70°C (-40°F to 158°F)
Description| Option one| Option two
---|---|---
| |   CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.

Battery

The following table lists the battery specifications of your Latitude 5421.

Table 19. Battery specifications

non-Long Cycle Life
Battery voltage| 15.20 V| 15.20 V
Battery weight (maximum)| TBD| TBD
Battery dimensions:|
| Height| 7.60 mm| 7.60 mm
| Width| 226.60 mm| 226.60 mm
| Depth| 81.40 mm| 81.40 mm
Temperature range:| |
| Operating| ●    Charge: 0°C to 45°C, 32°F to 113°F

●    Discharge: 0°C to 70°C, 32°F to 158°F

| ●    Charge: 0°C to 45°C, 32°F to 113°F

●    Discharge: 0°C to 70°C, 32°F to 158°F

| Storage| -20°C (-4°F ) to 65°C (149°F)| -20°C (-4°F ) to 65°C (149°F)
Battery operating time| Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.| Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.
Battery charging time (approximate)| 2 hours (when the computer is off)

NOTE: Control the charging time, duration, start and end time, and so on using the Dell Power Manager

application. For more information on the Dell Power Manager see, Me and My Dell on www.dell.com/

| 2 hours (when the computer is off)

NOTE: Control the charging time, duration, start and end time, and so on using the Dell Power Manager

application. For more information on the Dell Power Manager see, Me and My Dell on www.dell.com/

|   NOTE:

●    0°C-15°C: 4 hours

●    16°C-45°C: 2 hours

●    46°C-60°C: 3 hours

Approximate life span (discharge/charge cycles)| ●    Standard pack : 1 year warranty

●    LCL pack : 3 years warranty

|
Coin-cell battery| CR2032| CR2032
Description| Option one| Option two
---|---|---
|   NOTE: It is recommended that you use a Dell coin-cell battery for your computer. Dell does not provide warranty coverage for problems caused by using accessories, parts, or components not supplied by Dell.|
ExpressCharge| Supported| Supported
|   NOTE: Dell recommends that you charge the battery regularly for optimal power consumption. If your battery charge is completely depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption.

CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.

Display

The following table lists the display specifications of your Latitude 5421.

Table 20. Display specifications

Description| Option one| Option two| Option three| Option four| Option five
---|---|---|---|---|---
Display type| High Definition (HD)| Full High Definition (FHD)| Full High Definition (FHD), Super Low Power (SLP), ComfortView Plus| Full High Definition (FHD)| Full High Definition (FHD), Privacy
Display-panel technology| Twisted Nematic (TN)| Wide-Viewing Angle (WVA)| Wide-Viewing Angle (WVA)| Wide-Viewing Angle (WVA)| Wide-Viewing Angle ( WVA)
Display-panel dimensions (active area):| | | | |
| Height| 173.95 mm (6.84 in.)| 173.99 mm (6.84 in.)| 173.95 mm (6.85 in.)| 173.95 mm (6.84 in.)| 173.95 mm (6.84 in.)
| Width| 309.40 (12.18 in.)| 309.35 (12.18 in.)| 309.40 (12.18 in.)| 309.40 (12.18 in.)| 309.40 (12.18 in.)
| Diagonal| 355.60 mm (14 in.)| 355.6 mm (14 in.)| 355.6 mm (14 in.)| 355.60 mm (14 in.)| 355.60 mm (14 in.)
Display-panel native resolution| 1366 x 768| 1920 x 1080| 1920 x 1080| 1920 x 1080| 1920×1080
Luminance (typical)| 220 nits| 250 nits| 400 nits| 300 nits| 300 nits
Megapixels| 1.05| 2.07| 2.07| 2.07| 2.07
Color gamut| NTSC 45% typical| NTSC 45% typical| sRGB 100% typical| NTSC 72%

typical

| sRGB 100%
Pixels Per Inch (PPI)| 112| 157| 157| 157| 157
Description| Option one| Option two| Option three| Option four| Option five
---|---|---|---|---|---
Contrast ratio (typ)| 300:1| 600:1| 1000:1| 600:1| 600:1
Response time (min)| 25 ms| 35 ms| 35 ms| 35 ms| 35 ms
Refresh rate| 60 Hz| 60 Hz| 60 Hz| 60 Hz| 60 Hz
Horizontal view angle| 40 minimum| 80 minimum| 80 minimum| 80 minimum| 80 minimum
Vertical view angle| 10/30 (Top/ Bottom) min| 80 minimum| 80 minimum| 80 minimum| 80 minimum
Pixel pitch| 0.2265 mm x 0.2265

mm

| 0.161 mm x 0.161 mm| 0.161 mm x 0.161 mm| 0.161 mm x 0.161 mm| 0.161 x 0.161
Power consumption (maximum)| 2.40 W| 3.60 W| 2.50 W| 4.10 W| 3.50 W
Anti-glare vs glossy finish| Anti-glare| Anti-glare| Anti-glare| Anti-glare| Anti-glare
Touch options| No| No| No| Yes| Yes

Fingerprint reader (optional)

The following table lists the specifications of the optional fingerprint- reader of your Latitude 5421.

Table 21. Fingerprint reader specifications

GPU—Integrated

The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Latitude 5421.

Table 22. GPU—Integrated

Controller| External display support| Memory size| Processor
---|---|---|---
Intel UHD Graphics| One HDMI 2.0 port| Shared system memory| 11th Generation Intel Core i5/i7

GPU—Discrete

The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Latitude 5421.

Table 23. GPU—Discrete

Controller| External display support| Memory size| Memory type
---|---|---|---
NVIDIA GeForce MX450| One HDMI 2.0 port| 2 GB| GDDR6

Operating and storage environment

This table lists the operating and storage specifications of your Latitude 5421. Airborne contaminant level: G1 as defined by ISA-S71.04-1985

Table 24. Computer environment

condensing)
Vibration (maximum)*| 0.66 GRMS| Not tested
Shock (maximum)| 140 G†| Not tested
Altitude range| 0 m to 3048 m (32 ft to 5518.4 ft)| 0 m to 10668 m (32 ft to 19234.4 ft)
  CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.

Measured using a random vibration spectrum that simulates user environment.
Measured using a 2 ms half-sine pulse when the hard drive is in use.

Sensor and control

Table 25. Sensor and control

Sensor support

Sensor| Windows Adaptive Color
Accelerometer (G sensor): One on the base (system board) and another on the hinge-up (optional)

Keyboard shortcuts

NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys that are used for shortcuts remain the same across all language configurations.

Table 26. List of keyboard shortcuts

NOTE: Not applicable for non- backlight keyboard.

| F5 behavior
fn + F6| Decrease screen brightness| F6 behavior
fn + F7| Increase screen brightness| F7 behavior
fn + F8| Switch to external display| F8 behavior
fn + F10| Print Screen| F10 behavior
fn + F11| Home| F11 behavior
fn + F12| End| F12 behavior
fn + ctrl| Open application menu| Control
fn + page up| Scroll up| Page up
fn + page down| Scroll down| Page down
fn + P| SafeScreen (e-Privacy)|

Getting help

Topics:

• Contacting Dell

Contacting Dell

NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing
slip, bill, or Dell product catalog.
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues:

1. Go to Dell.com/support.
2. Select your support category.
3. Verify your country or region in the Choose a Country/Region drop-down list at the bottom of the page.
4. Select the appropriate service or support link based on your need.

References

• Microsoft Support
• ANDPRO.RU - интернет магазин компьютерной и офисной техники с выгодными ценами и доставкой
• Microsoft Support
• Touch gestures for Windows - Microsoft Support
• How to Install Ubuntu Linux on your Dell Computer | Dell US
• How to configure Ubuntu Linux after it's first installed on your Dell PC | Dell US
• How To Distinguish the Differences Between M.2 Cards | Dell Australia

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