Acer 5742 Laptop User Manual


 
Chapter 4 159
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 279.
Symptoms (Verified) Go To
Power On Issue Page 160
No Display Issue Page 161
LCD Failure Page 163
Internal Keyboard Failure Page 163
TouchPad Failure Page 164
Internal Speaker Failure Page 164
ODD Failure Page 169
WLAN Failure Page 172
Thermal Unit Failure Page 173
Other Functions Failure Page 175
Intermittent Failures Page 176
Undermined Failures Page 176
Chapter 4