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Chapter 4 139
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 207.
Symptoms (Verified) Go To
Power On Issue Page 140
No Display Issue Page 141
Random Loss of BIOS Settings Page 142
LCD Failure Page 143
Internal Keyboard Failure Page 143
TouchPad Failure Page 144
Internal Speaker Failure Page 145
Internal Microphone Failure Page 147
HDD Failure Page 148
ODD Failure Page 149
USB (Right side) Failure Page 153
WLAN Failure Page 154
Bluetooth Failure Page 155
Easy Button Failure Page 156
Thermal Unit Failure Page 157
External Mouse Failure Page 157
Other Functions Failure Page 158
Motherboard CMOS discharge Page 159
Intermittent Failures Page 159
Undermined Failures Page 159
Chapter 4