Acer 4820T - Manual (Page 123)

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 243.
Symptoms (Verified) Go To
Power On Issue Page 114
No Display Issue Page 115
LCD Failure Page 117
Internal Keyboard Failure Page 117
TouchPad Failure Page 118
Internal Speaker Failure Page 118
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