2.9 Display Troubleshooting
2 Troubleshooting Procedures
QOSMIO G30 Maintenance Manual (960-546)
[CONFIDENTIAL]
2-53
2.9 Display
Troubleshooting
To check if the computer’s display is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: External Monitor Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector and Cable Check
Procedure 4: Replacement Check
Procedure 1
External Monitor Check
Connect an external monitor to the computer’s external monitor port, then boot the computer.
The computer automatically detects the external monitor.
If the external monitor works correctly, the internal LCD may be faulty. Go to Procedure 3.
If the external monitor appears to have the same problem as the internal monitor, system
board may be faulty. Go to Procedure 2.
Procedure 2
Diagnostic Test Program Execution Check
The Display Test program is stored in Diagnostics disk. This program checks the display
controller on system board. Insert the Diagnostics disk in the USB FDD, turn on the
computer and run the test. Refer to Chapter 3,
Tests and Diagnostics
for details. If an error is
detected, go to Procedure 3.
Summary of Contents for Qosmio G30
Page 10: ...x CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 40: ...1 Hardware Overview 1 9 AC Adapter 1 26 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 41: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 42: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 2 ...
Page 46: ...2 Troubleshooting Procedures 2 vi CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 125: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 126: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 3 ...
Page 228: ...3 Tests and Diagnostics 3 31 SETUP 3 98 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 241: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 242: ...4 Replacement Procedures 4 ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 4 ...
Page 353: ... CONFIDENTIAL Appendices ...
Page 354: ...Appendices App ii CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 378: ...Appendices Appendix B Board Layout B 10 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 414: ...Appendices Appendix C Pin Assignments C 36 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...
Page 426: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 511 ...
Page 432: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G30 Maintenance Manual 960 546 ...