2.7
Keyboard Troubleshooting
2
Troubleshooting Procedures
2.7 Keyboard
Troubleshooting
To determine if the computer’s keyboard is functioning properly, perform the following
procedures. Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute the Keyboard Test in the Diagnostic Program. Refer to Chapter 3,
Tests and
Diagnostics
for more information on how to perform the test program.
If an error occurs, go to Procedure 2. If an error does not occur, the keyboard is functioning
properly.
Procedure 2
Connector Check and Replacement Check
The keyboard or system board may be disconnected or damaged. Disassemble the computer
following the steps described in Chapter 4,
Replacement Procedures
and perform the
following checks:
Check 1
Make sure the keyboard cable is firmly connected to the system board.
Keyboard
System Board
PJ3200
If the connection is loose, reconnect firmly and repeat Procedure 1. If there is still
an error, go to Check 2.
Check 2
The keyboard may be damaged. Replace it with a new one following the
instructions in Chapter 4,
Replacement Procedures
. If the problem still exists,
perform Check 3.
Check 3
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4,
Replacement Procedures
.
Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445)
2-47
Содержание Satellite Pro A10 series
Страница 11: ...Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 xi ...
Страница 12: ...Chapter 1 Hardware Overview ...
Страница 46: ...Chapter 2 Troubleshooting Procedures ...
Страница 47: ...2 Troubleshooting Procedures 2 2 ii Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 51: ...2 Troubleshooting Procedures 2 vi Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 112: ...Chapter 3 Tests and Diagnostics ...
Страница 113: ...3 Tests and Diagnostics 3 3 ii Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 199: ...Chapter 4 Replacement Procedures ...
Страница 200: ...4 Replacement Procedures 4 4 ii Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 206: ...4 Replacement Procedures 4 viii Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 368: ...Appendices ...
Страница 369: ...Appendices App ii Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 379: ...Appendices Apx A Handling the LCD Module A 6 Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 405: ...Appendices Apx C Pin Assignment C 22 Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 407: ...Appendices Apx D Keyboard Scan Character Codes D 2 Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 411: ...Appendices Apx E Key Layout E 4 Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 415: ...Appendices Apx G BIOS KBC EC Update G 2 Satellite A10 TECRA A10 Satellite Pro A10 Maintenance Manual 960 445 ...
Страница 417: ...Appendices Apx H Reliability H 2 Satellite A10 TECRA A1 Satellite Pro A10 Maintenance Manual 960 445 ...