Chapter 4
113
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 215.
Symptoms (Verified)
Go To
Power On Issue
Page 114
No Display Issue
Page 115
LCD Failure
Page 117
Internal Keyboard Failure
Page 117
TouchPad Failure
Page 118
Internal Speaker Failure
Page 118
ODD Failure
Page 121
WLAN Failure
Page 124
Thermal Unit Failure
Page 124
Other Functions Failure
Page 125
Intermittent Failures
Page 126
Undermined Failures
Page 126
Chapter 4
Summary of Contents for Aspire 4820T Series
Page 6: ...VI ...
Page 10: ...4 ...
Page 14: ...8 Table of Contents ...
Page 38: ...24 Chapter 1 ...
Page 56: ...42 Chapter 2 ...
Page 79: ...Chapter 3 65 5 Lift the USB Board upward away from the chassis ...
Page 104: ...90 Chapter 3 3 Replace the two screws and screw caps as shown ...
Page 126: ...112 Chapter 3 ...
Page 146: ...132 Chapter 4 ...
Page 165: ...Chapter 6 151 ...
Page 228: ...Appendix A 212 ...
Page 268: ...216 Appendix C ...