eMachines D720 manual Common Problems, Symptoms Verified Go To

Chapter 4

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.

Symptoms (Verified)	Go To
Power On Issue	Page 108
No Display Issue	Page 109
LCD Failure	Page 111
Internal Keyboard Failure	Page 111
TouchPad Failure	Page 112
Internal Speaker Failure	Page 112
Internal Microphone Failure	Page 114
ODD Failure	Page 116
Modem Failure	Page 119
WLAN Failure	Page 119
Thermal Unit Failure	Page 120
Other Functions Failure	Page 121
Intermittent Failures	Page 122
Undermined Failures	Page 122

4.If the Issue is still not resolved, see “Online Support Information” on page 161.

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