2 Troubleshooting
2.5 USB 3.5” FDD Troubleshooting
Procedure 3
Connector Check and Replacement Check
The USB FDD connector may be disconnected from the connector on the System board.
Check visually that the connector is connected firmly.
Check 1
Make sure the USB FDD cable is firmly connected to the CN4610 (port 6),
CN4611 (port 4) or CN4612 (port 0) of the System board.
If the connection is loose, reconnect firmly and repeat Procedure 2. If there is still
an error, go to Check 2.
Check 2
The USB FDD may be defective or damaged. Replace it with a new one. If the
FDD is still not functioning properly, perform Check 3.
Check 3
Replace the System board with a new one following the steps in Chapter 4,
Replacement Procedures
.
2-34
[CONFIDENTIAL]
PORTEGE M400 Maintenance Manual (960-541)
Содержание M400 - Portege - Core 2 Duo 1.83 GHz
Страница 10: ...x CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 1 Hardware Overview ...
Страница 43: ... CONFIDENTIAL Chapter 2 Troubleshooting ...
Страница 44: ...2 Troubleshooting 2 ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 2 ...
Страница 48: ...2 Troubleshooting 2 vi CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 112: ...2 Troubleshooting 2 18 Fingerprint sensor Troubleshooting 2 64 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 113: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 114: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 217: ...3 31 SETUP 3 Tests and Diagnostics PORTEGE M400 Maintenance Manual 960 541 CONFIDENTIAL 3 99 ...
Страница 232: ...3 Tests and Diagnostics 3 31 SETUP 3 114 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 233: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 234: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 4 ...
Страница 310: ...4 Replacement Procedures 4 26 Digitizer 4 72 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 332: ...4 Replacement Procedure 4 31 Fluorescent lamp 4 94 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 333: ... CONFIDENTIAL Appendices ...
Страница 334: ...Appendices App ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 346: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 354: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 388: ...Appendices Appendix D Keyboard Scan Character Codes D 8 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 392: ...Appendices Appendix F Wiring Diagrams F 2 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 394: ...Appendices Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 396: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Страница 398: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...