Chapter Four Troubleshooting - Acer Aspire 9420/ 9410/ 7110 TravelMate 5620/ 5610/ 5110 Service Manual

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Troubleshooting
Please use the following procedures 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 may occur errors or invalid responses.
1. Obtain the detailed fail symptoms as many as possible.
2. Verify the symptoms by attempting to recreate, running the diagnostic tests or repeating the same operation.
3. Disassemble and assemble the unit without any power sources.
4. If any problem occurs, you can perform visual inspection before you fellow this chapter's instructions. You can
check the following:
Power cords are properly connected and secured;
There are no obvious shorts or opens;
There are no obviously burned or heated components;
All components appear normal.
Chapter 4
Chapter 4
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