Acer 5251 Laptop User Manual


 
Chapter 4 137
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 195.
Symptoms (Verified) Go To
Power On Issue Page 138
No Display Issue Page 139
LCD Failure Page 141
Internal Keyboard Failure Page 141
TouchPad Failure Page 142
Internal Speaker Failure Page 142
ODD Failure Page 145
WLAN Failure Page 148
Thermal Unit Failure Page 148
Other Functions Failure Page 149
Intermittent Failures Page 150
Undermined Failures Page 150
Chapter 4