169
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 On
Issue” on page 153):
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 5538 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 51: ...Chapter 2 41 ...
Page 64: ...Chapter 3 54 8 Remove the DIMM ...
Page 67: ...57 Chapter 3 6 Remove the WLAN Board from the Mainboard ...
Page 80: ...Chapter 3 70 4 Slide the Touchpad Bracket out from the slots in the upper cover ...
Page 98: ...Chapter 3 88 4 Lift the fan away from the Mainboard ...
Page 110: ...Chapter 3 100 5 Lift the Microphone Module upward to detach the adhesive holding it in place ...
Page 160: ...Chapter 3 150 2 Slide the battery lock unlock latch to the lock position ...
Page 161: ...151 Chapter 3 ...
Page 217: ...207 Appendix A ...
Page 226: ...216 ...
