Chapter 4
139
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 201.
Symptoms (Verified)
Go To
Power On Issue
Page 140
No Display Issue
Page 141
LCD Failure
Page 143
Internal Keyboard Failure
Page 143
TouchPad Failure
Page 144
Internal Speaker Failure
Page 144
Internal Microphone Failure
Page 146
ODD Failure
Page 148
Rightside USB Failure
Page 151
Modem Failure
Page 151
WLAN Failure
Page 152
Acer EasyLaunch Button Failure
Page 152
Acer MediaTouch Failure
Page 153
Fingerprint Reader Failure
Page 153
Thermal Unit Failure
Page 154
HDTV Switch Failure
Page 154
Other Functions Failure
Page 155
Intermittent Failures
Page 156
Undermined Failures
Page 156
Chapter 4
Содержание eMachines E720 Series
Страница 6: ...VI...
Страница 60: ...50 Chapter 3 6 Remove the HDD cover as shown 7 Remove the WLAN cover as shown...
Страница 81: ...Chapter 3 71 6 Turn the upper cover over The upper cover appears as follows...
Страница 102: ...92 Chapter 3 7 Lift the Thermal Module clear of the Mainboard...
Страница 108: ...98 Chapter 3 6 Disconnect the left and right Inverter board cables as shown...
Страница 122: ...112 Chapter 3 3 Replace the RJ 11 cable in its housing...
Страница 133: ...Chapter 3 123 2 Replace the bracket as shown 3 Replace the single securing screw...
Страница 136: ...126 Chapter 3 2 Connect the seven cables on the mainboard as shown B C D E F G A...
Страница 142: ...132 Chapter 3 7 Replace the adhesive strip to secure the cable 8 Replace bracket and secure with provided screw...
Страница 148: ...138 Chapter 3...
Страница 170: ...160 Chapter 4...
Страница 188: ...Appendix A 178 Model Definition and Configuration Appendix A...
Страница 206: ...Appendix A 196...
Страница 212: ...202 Appendix C...