Chapter 4
93
Use the following procedure as a guide for computer problems.
NOTE:
The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or
modified options can give false errors and invalid system responses.
1.
Obtain the failing symptoms in as much detail as possible.
2.
Verify the symptoms by attempting to recreate the failure by running the diagnostic tests or repeating the
same operation.
3.
Do not use any power sources when performing an assembly or disassembly procedures.
4.
If any problems occur, you can perform the following visual inspection before you continue.
K
Power cords are properly connected and secured.
K
There are no obvious shorts or opens.
K
There are no burned or heated components.
K
All components appear normal.
Troubleshooting
Chapter 4
SG_TM4720_4320_Book.book Page 93 Friday, April 20, 2007 11:14 AM
Содержание TravelMate 4720 Series
Страница 10: ...x ...
Страница 48: ...38 Chapter 1 ...
Страница 76: ...66 Chapter 3 5 Disconnect the keyboard cable from the mainboard to remove the keyboard ...
Страница 91: ...Chapter 3 81 16 Carefully detach the speaker modules as shown ...
Страница 102: ...92 Chapter 3 ...
Страница 120: ...110 Chapter 4 ...
Страница 121: ...Chapter 5 111 System Block Diagram System Block Diagram and Connector Locations Chapter 5 ...
Страница 122: ...112 Chapter 5 Board Layout Top and Bottom View ...
Страница 126: ...116 Chapter 5 ...
Страница 128: ...118 Chapter 4 Travelmate 4720 4320 Exploded Diagram ...
Страница 141: ...131 Appendix A ...
Страница 142: ...Appendix A 132 ...
Страница 146: ...136 Appendix C ...