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