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 205.
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 4740G
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 56: ...46 Chapter 2 ...
Страница 63: ...Chapter 3 53 5 Carefully open the HDD Cover ...
Страница 65: ...Chapter 3 55 5 Remove two 2 screws from the WLAN bracket and lift it clear of the device ...
Страница 90: ...80 Chapter 3 5 Remove the TouchPad Bracket from the Upper Cover ...
Страница 92: ...82 Chapter 3 Step Size Quantity Screw Type Media Board M2 5 3 2 ...
Страница 94: ...84 Chapter 3 5 Lift the FFC to detach the adhesive from the casing 6 Lift the USB Board clear of the casing ...
Страница 97: ...Chapter 3 87 Step Size Quantity Screw Type Bluetooth Module M2 5 3 1 ...
Страница 99: ...Chapter 3 89 7 Lift one edge of the mainboard as shown to remove it from the base ...
Страница 107: ...Chapter 3 97 4 Lift the bezel away from the panel ...
Страница 110: ...100 Chapter 3 4 Lift the LCD Panel out of the casing as shown ...
Страница 117: ...Chapter 3 107 13 Ensure that the securing pin is properly located ...
Страница 129: ...Chapter 3 119 ...
Страница 134: ...124 Chapter 3 4 Turn the computer over Replace the fifteen screws on the bottom panel ...
Страница 141: ...Chapter 3 131 4 Turn the computer over and replace the six 6 securing screws as shown ...
Страница 186: ...176 Chapter 6 ...
Страница 187: ...Chapter 6 177 ...
Страница 208: ...Appendix A 198 ...
Страница 214: ...204 Appendix B ...
Страница 216: ...206 Appendix C ...