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76 Chapter 4
The system doesn't resume from standby mode after
opening the LCD.
Standby Mode
LCD cover switch
System board
Battery fuel gauge in Windows doesn’t go higher than
90%.
Remove battery pack and let it cool for 2 hours.
Refresh battery (continue to use battery until power off,
then charge battery).
Battery pack
Charger board
System board
System hangs intermittently. Set Thermal Sensor Threshold.
Reconnect hard disk/CD-ROM drives.
Hard disk connection board
System board
Peripheral-Related Symptoms
Symptom / Error Action in Sequence
System configuration does not match the installed
devices.
Enter BIOS Setup Utility to execute “Load Default
Settings”, then reboot system.
Reconnect hard disk/CD-ROM/diskette drives.
External display does not work correctly. Press Fn+F5, LCD/CRT/Both display switching
Running PQA Diagnostics Program.
System board
USB does not work correctly. System Diagnostics Diskette
System board
Print problems. Ensure that the “Parallel Port” in the “Onboard Devices
Configuration” of BIOS Setup Utility is set to Enabled.
Onboard Devices Configuration
Run printer self-test.
Printer driver
Printer cable
Printer
System Board
Serial or parallel port device problems. Ensure that the “Serial Port” in the “Onboard Devices
Configuration” of BIOS Setup Utility is set to Enabled.
Device driver
Device cable
Device
System board
Keyboard/Touchpad-Related Symptoms
Symptom / Error Action in Sequence
Keyboard (one or more keys) does not work. Reconnect the keyboard cable.
Keyboard
System board
Touchpad does not work. Reconnect touchpad cable.
Touchpad board
System board
Power Management-Related Symptoms
Symptom / Error Action in Sequence