LG 15Z90Q-P.AAC8U1 Owners Manual - Page 6

5 Pre-Tech Support Checklist ENGLISH Symptom The screen color does not display properly. The power does not turn on. The system stops during use or does not properly turn off. Cause and Solution • 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. • 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. • 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. Symptom The touchpad is not functioning properly. The wireless network is not connected. I want to reinstall the driver. An error message appears. Cause and Solution • 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. • 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. • 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]. Then, use the [Required Updates] or [Update list] menu to reinstall the drivers. • Check if the system is infected with a virus or a malicious code.