Acer D255 Laptop User Manual


 
Chapter 4 125
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 259.
Symptoms (Verified) Go To
Power On Issue Page 126
No Display Issue Page 127
LCD Failure Page 129
Internal Keyboard Failure Page 129
TouchPad Failure Page 130
Internal Speaker Failure Page 130
Internal Microphone Failure Page 132
WLAN Failure Page 134
Thermal Unit Failure Page 137
Other Functions Failure Page 138
Intermittent Failures Page 139
Undermined Failures Page 139
Chapter 4