72
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:
z
Non-Acer devices
z
Printer, mouse, and other external devices
z
Battery pack
z
Hard disk drive
z
DIMM
z
CD-ROM/Diskette drive Module
z
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:
z
System board
z
LCD assembly
Summary of Contents for TravelMate 8571
Page 6: ...6...
Page 51: ...Chapter 3 43 4 Remove the wireless card 5 Remove ODD...
Page 55: ...Chapter 3 47 2 Remove Power board...
Page 58: ...50 Chapter 3 8 Remove the cable of LCD and Connector of Fan 9 Remove the mainboard...
Page 61: ...Chapter 3 53 5 Remove LCM cable on the back of panel...
Page 85: ...Chapter 6 77...
Page 86: ...78 Chapter 6...
Page 98: ...90 Chapter 6...
