130
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 113.):
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:
K
Non-Acer devices
K
Printer, mouse, and other external devices
K
Battery pack
K
Hard disk drive
K
DIMM
K
CD-ROM/Diskette drive Module
K
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:
K
System board
K
LCD assembly
Содержание Aspire 4730ZG Series
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 14: ...4 Chapter 1 System Block Diagram ...
Страница 48: ...38 Chapter 1 ...
Страница 65: ...Chapter 2 55 ...
Страница 66: ...56 Chapter 2 ...
Страница 111: ...Chapter 3 101 20 Remove the bluetooth module from the lower case ...
Страница 120: ...110 Chapter 3 9 Remove the Web camera from the back cover ...
Страница 134: ...124 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Страница 141: ...Chapter 5 131 Top and Bottom View Jumper and Connector Locations Chapter 5 ...
Страница 142: ...132 Chapter 5 ...
Страница 146: ...136 Chapter 6 Aspire 5930 5930Z 5730Z Series Exploded Diagram ...
Страница 147: ...Chapter 6 137 ...
Страница 155: ...Chapter 6 145 ...
Страница 178: ...Appendix A 168 ...
Страница 182: ...172 Appendix B ...
Страница 184: ...174 Appendix C ...