LG 16U70Q Series, Owner'S Manual

5

Pre-Tech Support Checklist

ENGLISH

Symptom

Cause and Solution

Screen brightness 

changes while the 

battery mode is in 

use.

This product has a Vari-Bright™ function that extends 

battery life by adjusting screen brightness according 

to the user’s environment.
If you do not want to use the Vari-Bright™ function, 

change the settings as follows.
•  Press the Start button [   ] and run [All apps] > 

[AMD Radeon Software].

•  Turn off the function or change the settings in 

[Vari-Bright] in the [   ] > [Display] tab.

-

The [AMD Radeon Software] app will be 

automatically installed when connected to 

Internet. The app name and settings screen may 

vary depending on the version of the graphics 

driver.

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.

Symptom

Cause and Solution

The screen color 

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 color 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.

•  If the power is not on after reconnecting the power 

cord, remove the adapter and hold the power 

button for at least 6 seconds to reset the system. 

Once the system is reset, press the power button 

again to turn on the computer.

The system stops 

during use or does 

not properly turn 

off.

•  Remove the adapter and press the power button for 

approximately 6 seconds to reset the system. Once 

the system is 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.