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
System Check” on page 81.):
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:
T
Non-Acer devices
T
Printer, mouse, and other external devices
T
Battery pack
T
Hard disk drive
T
DIMM
T
CD-ROM/Diskette drive Module
T
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:
T
System board
T
LCD assembly
Summary of Contents for Aspire 3680 Series
Page 6: ...VI ...
Page 34: ...26 Chapter 1 ...
Page 54: ...46 Chapter 1 ...
Page 71: ...Chapter 2 63 ...
Page 72: ...64 Chapter 2 ...
Page 86: ...78 Chapter 3 ...
Page 108: ...100 Chapter 5 ...
Page 110: ...102 Chapter 6 Aspire 3680 5570 5580 Exploded Diagram ...
Page 142: ...134 Appendix B ...
Page 144: ...136 Appendix C ...
Page 147: ...Index 107 ...