102
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 87.):
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 7336 Series
Page 6: ...VI ...
Page 12: ...4 Chapter 1 System Block Diagram For Aspire 7736 7736Z 7336 Series ...
Page 13: ...Chapter 1 5 For Aspire 7540 Series ...
Page 120: ...112 Chapter 6 Aspire 7736 7736Z 7336 Series and Aspire 7540 Series Exploded Diagram ...
Page 151: ...Appendix A 143 Model Definition and Configuration Appendix A ...
Page 182: ...174 Appendix B ...
Page 184: ...176 Appendix C ...
Page 187: ...www s manuals com ...
