LG 14T90Q Series Multi-Touch 2-in-1 Laptop Owner’s Manual

LG 14T90Q Series Multi-Touch 2-in-1 Laptop

Precautions before Product Use

For the convenience of users, LG PC Manuals are provided in an electronic format.
The images in the owner’s manual may differ depending on the language selected and are subject to change without prior notice. Any malfunction in the built- in solid state drive (SSD) may result in loss of stored data. You must back up all critical user data to an external storage device (USB HDD, memory card, etc.).
If you shut the system down before it is completely loaded, the product may not shut down properly. Shut down the system after it is completely loaded. (It takes about one or two minutes to completely load the system and may vary depending on the conditions.)
For more information on how to use the product, refer to the LG Easy Guide of the LG PC Manuals.
The screen and menu configurations may differ from this manual depending on the status of the Windows and software updates. Also, the version of Windows may differ depending on the model.

Checking The Components

The components shown below are provided when you purchase the product. Check the components before use.

• Some of the actual components may differ in shape and colour from the pictures depending on the model.
• When cleaning the product, use a cleaning agent dedicated to the PC. If you use thinner, benzene, alcohol or other similar agents, the product may be damaged or deformed.

PC Main Body

|

Owner’s Manual

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AC Adapter 1

|

Power Cable 1

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HDMI Adapter

|

LAN Adapter 2
(optional)

|

Stylus Pen

1. The AC adapter and power cable may differ depending on your country, but there is no difference in their functionality.
2. The recommended network cable for the optimal network environment is CAT5 or higher.

Product Tour

The actual product may differ in shape and color from the product images included in this owner’s manual.

Front

❶ Built-in Microphone
❷ Webcam Operation Status Lamp
❸ Webcam
❹ IR camera
❺ IR LED
❻ Keyboard
❼ Touchpad
❽ Power Button [ ]

You can use hot keys to use Windows more conveniently. For details, refer to the LG Easy Guide of the LG PC Manuals

❶ Headphone Port (4-pole Ear set Port 1 )
❷ USB-C™ Port 2 (USB 4.0 Gen 3×2 / Thunderbolt™ / Can connect to a LAN adapter / HDMI Connectable Port / Power Port)
❸ Built-in Speakers
Left

Right

❹ UFS/microSD Card Slot
❺ Sleep Button
❻ USB Port (USB 3.2 Gen 2×1 3 )
❼ Vent

1. The 4-pole ear microphone port supports US type 4-pole standards and the
   European 4-pole ear microphone may not work properly.
   When using a headset with microphone (or Bluetooth headset), audio input and output are directed to the connected device and the microphone and speaker on the PC will not work. The 4-pole ear/microphone port does not support an external standalone microphone.

2. Depending on the specifications of the device connected to the USB-C™ port, it acts as a USB or Thunderbolt™ port.
   The USB-C™ port provides Quick Charging and Always-On Charging functions for devices that support USB PD (Power Delivery).

3. The names of USB versions have changed from USB 3.0 (or USB 3.1 Gen 1) and USB 3.1 (or USB 3.1 Gen 2) to USB 3.2 Gen 1×1 and USB 3.2 Gen 2×1. Devices that are not authorized or certified for USB connection may not operate normally when connected to the USB port.
   The transmission speed of a USB port may differ depending on the type of storage device in the system (NVMe™, SSD, HDD, etc.) and the connected USB device.

Using the Stylus Pen

The buttons on the stylus pen work similar to those of a mouse.

NOTE

• You need to apply some light pressure to use the stylus pen.
• Depending on the application used, the button operation of the stylus pen may be different.
• When the stylus pen is idle for more than 10 minutes or the pen tip stays pressed for more than 4 minutes, the pen goes into a power saving mode in order to conserve battery.
• To leave standby mode, simply touch the screen with the Stylus Pen or click the left or right button on the pen.
• For details on the Stylus Pen, refer to the LG Easy Guide of the LG PC Manuals.

1. Single click (press once)

2. Double click (press twice)

3. Drag (moving while pressing down)

Using Tablet PC Mode

Unfold the notebook and rotate the LCD as shown in the picture to use it as a tablet PC.

CAUTION

• When packing or moving the product, close the LCD panel to protect it.
• Be careful not to pinch your fingers between the PC main body and the LCD panel.
• Do not rotate the LCD panel with excessive force, this may damage the hinge connecting the PC body and the LCD panel.
• In tablet PC mode, the keyboard faces bottom of the product. Clean around the product to prevent the keyboard and PC body from being damaged.

NOTE

• When rotating the product, the screen is rotated vertically or horizontally according to the current screen angle.
• To leave standby mode (LCD off), press the power button or sleep button.
• For details on tablet PC mode, refer to the LG Easy Guide of the LG PC Manuals.

Connecting LAN Adapter

1. Connect the LAN adapter to the USB-C™ port on the PC.
   • The USB-C™ port can be used without having to differentiate between the top and bottom surfaces.

2. Connect the network cable (LAN) to the LAN adapter.

3. Check if you can connect to the internet properly.
   

Connecting to AC (Mains) Power

The AC adapter is used to power and charge the PC.

• Do not use any other AC adapter than the one that was provided when you purchased this product.
• The power cable and AC adapter may differ depending on your country or region.

1. Connect one end of the cable to the AC adapter and the other end to a power outlet.
   • The AC adapter can be used from 100 V to 240 V.

2. Connect the AC adapter jack to the PC USB-C™ port.
   • Ensure that the power jack linked to the AC adapter and product is connected firmly.
   

When the AC adapter is connected, the AC adapter lamp turns on.

• If the laptop has entered the Hibernate mode or has turned off after a low-battery alarm, the laptop will not turn back on but the AC adapter lamp will blink three times when the power button is pressed. If this is the case, connect the AC adapter and charge the battery sufficiently before trying to use the laptop again.

System Shutdown / Power Off

Press the [ ] key or [Ctrl] + [ESC] to display the Start menu.
– Press the Start button [ ] > Power button [ ] and select [Shut down].

Important Safety Precautions

Check the following ‘Important Safety Precautions’ to prevent unexpected danger or damage in advance.
‘Important Safety Precautions’ is divided into ‘WARNING’ and ‘CAUTION.’

WARNING: Noncompliance with the instruction may cause serious physical damage or fatal injuries.
CAUTION: Noncompliance with the instruction may cause minor damage to the body or the machine.

While Using the Product

WARNING

| Use batteries certified and acknowledged by LG Electronics Inc.

• Otherwise, an explosion or fire may occur.

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| 60 °C or more or high humidity spaces, for example, inside cars or in kitchens, should be avoided when you use or store it.

• Otherwise, an explosion or fire may occur.

| Keep the battery away from heat.

• Otherwise, an explosion or fire may occur.

| If you find leakage or smell a bad odour from the battery, contact your local authorised service centre.

• Otherwise, an explosion or fire may occur.

| Do not use the product on top of a carpet, bed or other soft furnishings; also, do not cover the adapter under the blanket.

• The product may malfunction, cause a fire or burn the user due to temperature rise

| Do not leave the product powered-on in a space without sufficient ventilation (i.e. bags or carry cases).

• The battery may overheat and cause a fire.

| Prevent the battery from being in contact with any metallic object like a car ignition key or a paper clip.

• Otherwise, this may cause damage to the battery, a fire or burn due to overheat in the battery.

| Charge the battery only with the provided instrument.

• Otherwise, the battery may be damaged presenting a risk of fire.

| Do not bend the cable for the AC adapter too much.

• Otherwise, the wires inside the cable may break and cause an electric shock or fire.

Guide on Battery Usage

| When the PC is not used for an extended period of time, keep the battery level at 50 % to increase the battery lifespan.
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| To increase battery lifespan, use the battery for a while before charging it rather than keeping the battery completely charged.
| Use the Extend Battery Life function in the LG Smart Assistant. You can limit the battery charge to 80 % of the maximum charging capacity to increase the battery lifespan.
| If you don’t use the product for a long time with the battery completely charged, the battery lifespan may decrease.

NOTE

• This product has a built-in battery pack. After purchasing your PC, be sure to charge the battery pack completely before using it for the first time.
  – Batteries are consumable items that gradually lose battery life when they are used for long periods.
  – The internal battery cannot arbitrarily be removed or replaced. Removing it may void the warranty.
  – If you need to remove or replace the battery, please visit a designated service center.
  – We charge a fee for removing or replacing the battery.

Pre-Tech Support Checklist

Troubleshooting
If the following symptoms appear while using the product, check again. It may not be a malfunction.

• Depending on the product, some of the Windows functions may not be supported and you may need to purchase separate hardware, drivers or software to use these functions. In addition, you may need to also update the BIOS. The Auto Update function of Windows is always activated. Updating Windows may incur Internet usage fees as well as additional system requirements for the storage device or the hardware. For more information, refer to the website https://[www.microsoft.com.](http://www.microsoft.com/)

Part of LG Software is not installed.|

• The UWP app provided by LG Electronics can only be installed through the Microsoft Store. Access the Microsoft Store and search for the app to install it. For more information on the app, refer to LG Easy Guide of the LG PC Manuals.

The screen colour does not display properly.|

• Check if Reader Mode is on. When the Reader mode is on, turn the setting off.
  – Press the Start button [ ] to turn the [All apps] > [LG Smart Assistant] > [Display Setting] > [Reader Mode] settings off.

• Using the Reader mode and the Night mode at the same time can cause colour distortion. Turn the Reader mode settings off or change the Night mode to [Off].
  – Turning off Night light: Press the Start button [  ] and select Settings [ ] > [System] > [Display] > [Night light] > [Off].

• If the screen still does not properly display, contact the LG Electronics service center.
  – Reader mode controls the brightness and color of the LCD screen to look like printed paper and protect the user from eyestrain.

The power does not turn on.|

• Check if the power cord is connected.
• After disconnecting the power cord and reconnecting it, press the power button of the product.

The system stops during use or does not properly turn off.|

• Press the power button for approximately 6 seconds to reset the system. Once the system has reset, press the power button again to turn on the computer.
  – Caution: Unsaved data may be lost. Pressing the power button while the PC is in use may cause damage to the hard disk or a system error.

• After resetting the system, run “Setup Defaults” in the system setup. (For more information on how to run “Setup Defaults”, refer to “Initializing System Setup” under “Setup and Upgrade” in the LG Easy Guide of the LG PC Manuals.)

The touchpad is not functioning properly.|

• Press the Start button [  ] and run [All apps] > [LG Smart Assistant]. Then press [Dashboard] > [Touchpad].
• If the touchpad does not function properly, the touchpad is either in the Touchpad Off (disabled) state or Touchpad Auto (disabled when the mouse is connected) state.
  – For details on the touchpad settings, refer to the LG Easy Guide of the LG PC Manuals.

You selected the wrong display language for Windows.|

• Refer to [Recovering the System] in LG Easy Guide of the LG PC Manuals to initialize the PC and set the language again.
• All data will be lost during the initialization, so you must back up all critical data in advance.

The wireless network is not connected.|

• Press [Fn] + [F6] to check if the wireless network device is turned off.
  – Press [Fn] + [F6] to set airplane mode to [OFF]. Click the Wi-Fi [  ] icon on the right side of the taskbar and check if AP displays properly.

• Every time you press [Fn] + [F6], the wireless network and airplane mode turns on or off.

• You may not be able to connect to a secure wireless network. Ask the wireless network administrator.

• Reinstall the wireless LAN driver.

A certain site or program does not run.|

• Press the Start button [  ] and then select [All apps] > [Windows Tools] > [Control Panel].
• Select [View by] > [Small icons] > [User Accounts] > [Change User Account Control settings] > [Never notify] > [OK].
  – LG Electronics and Microsoft recommend using User Account Control.

I want to reinstall the driver.|

• Press the Start button  [  ] and then select Settings  [  ] > [Apps] > [Apps & features] or [Installed apps]. Then remove the driver to be reinstalled.
• Press the Start button [  ], select and run [All apps] > [LG Update & Recovery]. Then, use the [Required Updates] or [Update list] menu to reinstall the drivers.

An error message appears.|

• Check if the system is infected with a virus or a malicious code.

Appendix

Registered Trademark and Open Source Information

Microsoft™, MS™, WinPE™, and Windows® are the registered trademarks of Microsoft Corporation™.
USB Type-C™ and USB-C™ are trademarks of USB Implementers forum.
Thunderbolt™ is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
microSD® and the microSD logo are trademarks or registered trademarks of SD- 3C, LLC.
Wi-Fi® is a registered trademark of Wi-Fi Alliance Corporation.
To obtain the source code that is contained in this product, under GPL, LGPL, MPL, and other open source licenses that have the obligation to disclose source code, and to access all referred license terms, copyright notices and other relevant documents please visit https://opensource.lge.com.
LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to opensource@lge.com. This offer is valid to anyone in receipt of this information for a period of three years after our last shipment of this product.

Wireless function S/W : Version 22 or Version 23

Wireless LAN Specifications

(2400 – 2483.5 MHz)
IEEE802.11 b/g/n/ax mode| 20 dBm EIRP max (100 mW)
(5150 – 5725 MHz)
IEEE802.11 a/n/ac/ax mode| 23 dBm EIRP max (200 mW)
The Low band 5.15-5.35 GHz is for indoor use only.
(5745 – 5875 MHz)
IEEE802.11 a/n/ac/ax mode| 13.98 dBm EIRP max (25 mW)
(5925 – 6425 MHz)
Wi-Fi 6E mode| 23 dBm EIRP max (200 mW)
(2400 – 2483.5 MHz) Bluetooth| 13 dBm EIRP max (20 mW)

Regulatory Notices

Hereby, LG Electronics declares that the radio equipment type PC is in compliance with the relevant statutory requirements. The full text of the UK declaration of conformity is available at the following internet address: http://www.lg.com/global/support/cedoc/cedoc# The use of the 5150-5350 MHz and 5945-6425 MHz band (if applicable) is restricted to indoor use only. This restriction exists in the United Kingdom (UK).

Hereby, LG Electronics declares that the radio equipment type PC is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: http://www.lg.com/global/support/cedoc/cedoc# The use of the 5150-5350 MHz and 5945-6425 MHz band (if applicable) is restricted to indoor use only.
This restriction exists in Belgium (BE), Bulgaria (BG), Czech Republic (CZ), Denmark (DK), Germany (DE), Estonia (EE), Ireland (IE), Greece (EL), Spain (ES), France (FR), Croatia (HR), Italy (IT), Cyprus (CY), Latvia (LV), Lithuania (LT), Luxembourg (LU), Hungary (HU), Malta (MT), Netherlands (NL), Austria (AT), Poland (PL), Portugal (PT), Romania (RO), Slovenia (SI), Slovakia (SK), Finland (FI), Sweden (SE), Northern Ireland (UK(NI)), Switzerland (CH), Iceland (IS), Liechtenstein (LI) and Norway (NO).

Customer Support

www.lg.com

References

• CeDoc
• LG Open Source
• Microsoft Corporation

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