2 Troubleshooting Procedures

Satellite M50 Series Maintenance Manual

[CONFIDENTIAL]

2-15

2.5 Keyboard Troubleshooting
Perform external keyboard check
(Procedure 1 )
START
Does the external
keyboard function ok?
Perform diagnostic check
(Procedure 2 )
Was a keyboard
problem detected?
Perform connector and
replacement check
(Procedure 3 )
Replace system board
END
Yes
No
Keyboard is not
faulty. Con tinu e
troubleshooting-
refer to Figure 2.1
No
Yes

Figure 2-4 Keyboard troubleshooting process