Service manual

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4 – 1
4 Troubleshooting
If you are having trouble diagnosing and solving problems, this chapter has several tools which should help:
Troubleshooting chart a system flow chart indicating the location of possible system abnormalities.
Pre-POST assistant – a rundown of possible problems before the POST and solutions.
POST assistant – a listing of beeps and error messages and their definitions.
Post-POST assistant – a rundown of possible problems after the POST and solutions.
This chapter does not tell you how to disassemble the notebook. For those procedures, go back to Chapter 3:
Disassembly.