LG 17Z90Q Series - Troubleshooting Connectivity and System Issues; System and Input Troubleshooting; Network and Software Troubleshooting

6Pre-Tech Support Checklist
ENGLISH
Symptom Cause and Solution
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.
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.
Symptom Cause and Solution
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].
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.