2 Troubleshooting Procedures
2.8 Display Troubleshooting
2-48
[CONFIDENTIAL]
PORTÉGÉ M500 Maintenance Manual (960-559)
If the connection is loose, reconnect firmly and restart the computer. If there is still an error,
go to Procedure 4.
Procedure 4
Replacement Check
The FL, FL inverter board, LCD module, and system board are connected to display circuits.
Any of these components may be damaged. Refer to Chapter 4,
Replacement Procedures,
for
instructions on how to disassemble the computer and then perform the following checks:
1.
If characters or graphics are not displayed clearly, perform Check 1.
2.
If some screen functions do not operate properly, perform Check 2.
3.
If the FL remains lit when the display is closed, perform Check 4.
Check 1
Replace the FL with a new one following the instructions in Chapter 4,
Replacement Procedures
and test the display again. If the problem still exists,
perform Check2.
Check 2
Replace the LCD module with a new one following the instructions in Chapter 4,
Replacement Procedures
and test the display again. If the problem still exists,
perform Check 3.
Check 3
Replace the display cable (FL cable and LCD cable) with a new one following the
instructions in Chapter 4,
Replacement Procedures
and test the display again. If
the problem still exists, perform Check 4.
Check 4
The display controller on the system board may be damaged. Replace the system
board with a new one following the instructions in Chapter 4,
Replacement
Procedures
.
Содержание Portege M500
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Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 38: ...1 Hardware Overview 1 8 AC Adapter 1 24 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
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Страница 115: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
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Страница 224: ...3 Tests and Diagnostics 3 30 SETUP 3 104 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 225: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Страница 226: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 230: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 319: ... CONFIDENTIAL Appendices ...
Страница 320: ...Appendices App ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 330: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 336: ...Appendices Appendix B Board Layout B 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 366: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 368: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 370: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 372: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 374: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...