
2 Troubleshooting Procedures 2.9
Display
Troubleshooting
2-44
[CONFIDENTIAL]
QOSMIO G50 Maintenance Manual (960-683)
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.
Содержание Qosmio G50 Series
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Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
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Страница 44: ...1 Hardware Overview 1 9 AC Adapter 1 30 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
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Страница 208: ...3 Tests and Diagnostics 3 31 SETUP 3 82 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
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Страница 223: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
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Страница 351: ... CONFIDENTIAL Appendices ...
Страница 352: ...Appendices App ii CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 366: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 438: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 440: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 442: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 444: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...
Страница 446: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G50 Maintenance Manual 960 683 ...