Packard Bell TM89 Manuale Utente
Chapter 4
139
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
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
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 201.
Symptoms (Verified)
Go To
Power On Issue
Page 140
No Display Issue
LCD Failure
Page 143
Internal Keyboard Failure
Page 143
TouchPad Failure
Page 144
Internal Speaker Failure
Page 144
ODD Failure
Page 147
WLAN Failure
Page 150
Thermal Unit Failure
Page 150
Other Functions Failure
Page 151
Intermittent Failures
Page 152
Undermined Failures
Page 152
Chapter 4