Troubleshooting Procedures
2.14 Bluetooth Troubleshooting
To check if the Bluetooth is malfunctioning or not, follow the troubleshooting procedures
below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connection Check and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Make sure the wireless switch on the left side of the computer is turned “On”. If it is not, slide
the switch toward the back of the computer to turn it on.
Check 1 Execute Bluetooth test program. Perform the test following the instructions
described in Chapter 3, Bluetooth Test Program. You will need a second computer
that can communicate by the Bluetooth.
If the computer passes the test, the function is correctly working. If the computer
does not pass the test, go to check 2.
Check 2 The Bluetooth module may be defective or damaged. Replace it with a new one.
Then perform the test program again.
If the computer still does not pass the test, go to Procedure 2.
Procedure 2
Connector Check and Replacement Check
The Bluetooth may be disconnected, or the Bluetooth module, Bluetooth cable or system
board may be damaged. Disassemble the computer following the steps described in Chapter 4,
Replacement Procedures
and perform the following checks:
Check 1
Make sure the Bluetooth is firmly connected to CN4440 on the system board.
If any of the connections are loose, reconnect firmly and repeat Procedure 1. If
there is still an error, go to Check 2.
PORTEGE M780 Maintenance Manual (960-809)
[CONFIDENTIAL]
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Содержание Portege M780
Страница 11: ...1 Hardware Overview PORTEGE M780 Maintenance Manual 960 809 CONFIDENTIAL 1 1 Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 44: ...Troubleshooting Procedures 2 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 2 ...
Страница 113: ...Tests and Diagnostics PORTEGE M780 Maintenance Manual 960 809 CONFIDENTIAL 3 1 Chapter 3 Tests and Diagnostics ...
Страница 114: ...Tests and Diagnostics 3 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 3 ...
Страница 206: ...Tests and Diagnostics 3 94 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 Advanced menu screen Exit menu screen ...
Страница 304: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 305: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M780 Maintenance Manual 960 809 4 ...
Страница 415: ... CONFIDENTIAL Appendices ...
Страница 416: ...Appendices App ii CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 436: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 478: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 480: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 482: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 484: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...