2 Troubleshooting
2.5 Keyboard
2-10
Maintenance Satellite Pro E10-S / dynabook E10-S
2.5 Keyboard
To check if the computer’s keyboard is defective or malfunctioning, follow troubleshooting
procedures below as instructed.
Procedure 1: Test Program Check
Procedure 2: Connector Check and Replacement Check
Procedure 1: Test Program Check
Execute the Keyboard test available as part of the maintenance test program. See Chapter 3
for information on how to perform the test. Some Keyboard have support Illumination
(Backlit) function, check this function during Keyboard test when press any key.
If an error is detected in the test, go to Procedure 2. If no error is detected, the keyboard
itself is normal.
Procedure 2: Connector Check and Replacement Check
The keyboard or system board may be disconnected or faulty. Disassemble the computer
following the steps described in Chapter 4 and perform the following checks:
Check 1
Make sure the keyboard cable has been firmly connected to the system board.
Keyboard
System board
CPU
If the cable is loose or off, reconnect it firmly and return to Procedure 1. If
there is still an error, perform Check 2.
Check 2
The keyboard may be faulty. Replace it with a new one following the
instructions in Chapter 4. If the problem persists, perform Check 3.
Check 3
The System board may be faulty. Replace it with a new one following the
instructions in Chapter 4. If the keyboard is still not functioning properly,
perform Procedure 1
Содержание E10-S
Страница 1: ...1 i 1 Chapter 1 Hardware Overview...
Страница 16: ...2 Chapter 2 Troubleshooting...
Страница 47: ...Chapter 3 Diagnostic Programs...
Страница 50: ......
Страница 64: ......
Страница 89: ...5 Appendix 3 Diagnostic Programs 3 41 Maintenance Manual Satellite Pro E10 S dynabook E10 S...
Страница 92: ......
Страница 96: ......
Страница 102: ......
Страница 104: ......
Страница 110: ...4 Replacement Procedures 4 Chapter 4 Replacement Procedures...