96
Chapter 4
Undetermined Problems
The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect,
whether a short circuit is suspected, or whether the system is inoperative.
Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).
NOTE:
Verify that all attached devices are supported by the computer.
NOTE:
Verify that the power supply being used at the time of the failure is operating correctly. (See “Power
1.
Power-off the computer.
2.
Visually check them for damage. If any problems are found, replace the FRU.
3.
Remove or disconnect all of the following devices:
Non-Acer devices
Printer, mouse, and other external devices
Battery pack
Hard disk drive
DIMM
CD-ROM/Diskette drive Module
PC Cards
4.
Power-on the computer.
5.
Determine if the problem has changed.
6.
If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7.
If the problem remains, replace the following FRU one at a time. Do not replace a non-defective FRU:
System board
LCD assembly
Summary of Contents for Aspire 6920
Page 6: ...VI ...
Page 10: ...4 Chapter 1 System Block Diagram ...
Page 11: ...Chapter 1 5 Board Layout ...
Page 12: ...6 Chapter 1 ...
Page 14: ...8 Chapter 1 Closed Front View ...
Page 15: ...Chapter 1 9 Left View ...
Page 16: ...10 Chapter 1 Right View ...
Page 17: ...Chapter 1 11 ...
Page 18: ...12 Chapter 1 Base view ...
Page 30: ...24 Chapter 1 ...
Page 62: ...62 Chapter 2 Then the HDD password will be unlocked and will auto into Windows after reboot ...
Page 66: ...64 Chapter 3 ...
Page 97: ...Chapter 5 97 Jumper and Connector Locations Chapter 5 ...
Page 98: ...98 Chapter 5 Bottom View ...
Page 99: ...Chapter 5 99 ...
Page 100: ...100 Chapter 5 ...
Page 102: ...100 Chapter 6 Aspire6920 Exploded Diagram ...
Page 103: ...Chapter 6 101 ...
Page 104: ...102 Chapter 6 ...
Page 105: ...Chapter 6 103 ...