2.5 Keyboard Troubleshooting 2 Troubleshooting Procedures

Satellite M40X/M45X/Satellite Pro M40X/EQUIUM M40X 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. Continue
troubleshooting-
refer to Figure 2.1
No
Yes

Figure 2-4 Keyboard troubleshooting process