
2.9 Display Troubleshooting
2 Troubleshooting Procedures
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.
2-50
QOSMIO G10 Maintenance Manual (960-497)
Summary of Contents for Qosmio G10 Series
Page 10: ...x QOSMIO G10 Maintenance Manual 960 497 ...
Page 11: ...Chapter 1 Hardware Overview QOSMIO G10 Maintenance Manual 960 497 1 i ...
Page 12: ...1 Hardware Overview 1 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 48: ...Chapter 2 Troubleshooting Procedures QOSMIO G10 Maintenance Manual 960 497 2 i ...
Page 49: ...2 2 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 53: ...2 vi QOSMIO G10 Maintenance Manual 960 497 ...
Page 116: ...Chapter 3 Tests and Diagnostics QOSMIO G10 Maintenance Manual 960 497 3 i ...
Page 117: ...3 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 121: ...3 vi QOSMIO G10 Maintenance Manual 960 497 ...
Page 224: ...Chapter 4 Replacement Procedures QOSMIO G10 Maintenance Manual 960 497 4 i ...
Page 225: ...4 Replacement Procedures 4 4 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 312: ...Appendices QOSMIO G10 Maintenance Manual 960 497 App i ...
Page 313: ...App ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 326: ...Appendix A Handling the LCD Module A 6 QOSMIO G10 Maintenance Manual 960 497 ...
Page 388: ...Appendix G BIOS Rewrite Procedures G 2 QOSMIO G10 Maintenance Manual 960 497 ...
Page 392: ...Appendix I Reliability I 2 QOSMIO G10 Maintenance Manual 960 497 ...