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Acer 4820T Manuale Utente

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Chapter 4
113
Troubleshooting
Common Problems
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 re-create the failure by running the diagnostic test or by repeating 
the same operation.
3.
Use the following table with the verified symptom to determine which page to go to.
4.
If the Issue is still not resolved, see “Online Support Information” on page 215.
Symptoms (Verified)
Go To
Power On Issue
No Display Issue
LCD Failure
Internal Keyboard Failure
TouchPad Failure
Internal Speaker Failure
ODD Failure
Page 121
WLAN Failure
Page 124
Thermal Unit Failure
Page 124
Other Functions Failure
Page 125
Intermittent Failures
Page 126
Undermined Failures
Page 126
Chapter 4