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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
Summary of Contents for Aspire 4240 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 14: ...4 Chapter 1 System Block Diagram ...
Page 45: ...Chapter 2 35 A progress screen displays ...
Page 50: ...40 Chapter 2 2 In DOS mode run the MAC BAT file to write MAC values to eeprom ...
Page 57: ...Chapter 3 47 5 Remove the HDD Cover as shown ...
Page 98: ...88 Chapter 3 4 Lift the bezel away from the panel ...
Page 101: ...Chapter 3 91 4 Lift the LCD Panel out of the casing as shown ...
Page 125: ...Chapter 3 115 4 Replace the single securing screw ...
Page 146: ...136 Chapter 3 ...
Page 176: ...166 Chapter 5 ...
Page 189: ...Chapter 6 179 ...
Page 208: ...Appendix A 198 ...
Page 220: ...210 Appendix B ...
Page 222: ...212 Appendix C ...