Acer 4240 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 211.
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
Internal Microphone Failure Page 144
ODD Failure Page 146
Rightside USB Failure Page 149
Modem Failure Page 149
WLAN/WiMAX Failure Page 150
Bluetooth Failure Page 150
EasyTouch Button Failure Page 151
Media Board Failure Page 151
Finger Print Reader Failure Page 152
Thermal Unit Failure Page 152
Other Functions Failure Page 153
Intermittent Failures Page 154
Undetermined Failures Page 154
Chapter 4