Chapter 4
121
The system doesn't resume from
hibernation mode.
See “Save to Disk (S4)” on page 39.
Hard disk connection board
Hard disk drive
System board
The system doesn't resume from standby
mode after opening the LCD.
See “Save to Disk (S4)” on page 39.
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 use battery until power off, then
charge battery).
Battery pack
System board
System hangs intermittently.
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
System board
USB does not work correctly
System board
Print problems.
Ensure 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 the “Serial Port” in the 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
Power Management-Related Symptoms
Symptom / Error
Action in Sequence
SG_Tangiz.book Page 121 Tuesday, July 10, 2007 11:01 AM
Summary of Contents for 7720
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 50: ...40 Chapter 1 ...
Page 67: ...Chapter 2 57 ...
Page 68: ...58 Chapter 2 ...
Page 114: ...104 Chapter 3 ...
Page 128: ...118 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Page 172: ...Appendix A 162 ...
Page 178: ...168 Appendix C ...