Acer TravelMate 6493 Series, Service Manual

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Chapter 4 135
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 215.
Symptoms (Verified) Go To
Power On Issue Page 136
No Display Issue Page 137
LCD Failure Page 139
Internal Keyboard Failure Page 139
Touchpad Failure Page 140
Internal Speaker Failure Page 140
Internal Microphone Failure Page 142
ODD Failure Page 144
Rightside USB Failure Page 147
Modem Failure Page 147
WLAN Failure Page 148
3G Module Failure Page 149
Acer EasyLaunch Button Failure Page 149
Fingerprint Reader Failure Page 150
Thermal Unit Failure Page 150
Other Functions Failure Page 151
Intermittent Failures Page 152
Undetermined Failures Page 152
Chapter 4