LG 16Z90Q Series - Advanced Troubleshooting; Troubleshooting Display Color Issues; Troubleshooting Power-On Issues; Troubleshooting System Stoppages

6Pre-Tech Support Checklist
ENGLISH
Symptom Cause and Solution
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.
• If the laptop does not power on after connecting
the power cord, remove the adapter and hold the
power button down for at least 6 seconds to reset
the system. Once the system has reset, press the
power button again to turn on the computer.
Symptom Cause and Solution
The system stops
during use or does
not properly turn
off.
• Remove the adapter and hold the power button
down 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.
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.