2.7 Keyboard Troubleshooting
2 Troubleshooting Procedures
PORTEGE A100 Maintenance Manual (960-460)
2-37
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.
System
board
Keyboard
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
.
Содержание A100 VA3 - Satellite - Pentium Dual Core 1.6 GHz
Страница 1: ...1 Toshiba Personal Computer PORTEGE A100 Maintenance Manual TOSHIBA CORPORATION File Number 960 460 ...
Страница 10: ...Chapter 1 Hardware Overview ...
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Страница 36: ...Chapter 2 Troubleshooting Procedures ...
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Страница 96: ...Chapter 3 Tests and Diagnostics ...
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Страница 112: ...3 4 System Test 3 Tests and Diagnostics PORTEGE A100 Maintenance Manual 960 460 3 13 ...
Страница 181: ...3 Test and Diagnostics 3 26 SETUP 3 80 PORTEGE A100 Maintenance Manual 960 460 Disabled Disables built in LAN functions ...
Страница 182: ...Chapter 4 Replacement Procedures ...
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Страница 265: ...Appendices ...
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Страница 278: ...Appendices Apx A Handling the LCD Module A 6 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 316: ...Appendices Apx E Key Layout E 2 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 318: ...Appendices Apx F BIOS KBC EC Update F 2 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 320: ...Appendices Apx G Reliability G 2 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 322: ...Appendices Apx H Key FD H 2 PORTEGE A100 Maintenance Manual 960 460 ...