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2 Troubleshooting Procedures
2.5 Keyboard Troubleshooting
Perform external keyboard check
(Procedure 1)
START
Does the external
keyboard function ok?
Perform diagnostic check
(Procedure 2)
W as a keyboard
problem detected?
Perform connector and
replacement check
(Procedure 3)
Replace system board
END
Yes
No
Keyboard is not
faulty. Continue
troubleshooting-refer
to Figure 2.1
No
Yes
Figure 2-4 Keyboard troubleshooting process
To determine if the computer’s keyboard is functioning properly, perform the following
procedures. Figure 2-4 outlines the process. Start with Procedure 1 and continue with the
other procedures as instructed.
Procedure 1: External keyboard check
Procedure 2: Diagnostic check
Procedure 3: Connector and replacement check
Satellite A500D/Satellite A505D/Satellite A507D/Satellite Pro Series Maintenance Manual17