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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
Содержание Aspire 4240 Series
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 14: ...4 Chapter 1 System Block Diagram ...
Страница 45: ...Chapter 2 35 A progress screen displays ...
Страница 50: ...40 Chapter 2 2 In DOS mode run the MAC BAT file to write MAC values to eeprom ...
Страница 57: ...Chapter 3 47 5 Remove the HDD Cover as shown ...
Страница 71: ...Chapter 3 61 5 Disconnect the speaker cable as shown and remove the Speaker from the Upper Cover ...
Страница 98: ...88 Chapter 3 4 Lift the bezel away from the panel ...
Страница 101: ...Chapter 3 91 4 Lift the LCD Panel out of the casing as shown ...
Страница 114: ...104 Chapter 3 3 Connect fan cable to the mainboard as shown Step Size Quantity Screw Type Thermal Module M 2 5 3 2 4 ...
Страница 125: ...Chapter 3 115 4 Replace the single securing screw ...
Страница 146: ...136 Chapter 3 ...
Страница 176: ...166 Chapter 5 ...
Страница 189: ...Chapter 6 179 ...
Страница 208: ...Appendix A 198 ...
Страница 220: ...210 Appendix B ...
Страница 222: ...212 Appendix C ...