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2 Troubleshooting Procedures 2.4 Display Troubleshooting
2-12 [CONFIDENTIAL] Satellite M40X/M45X/Satellite Pro M40X/EQUIUM M40X Series Maintenance Manual
2.4 Display Troubleshooting
Perform external display check
(Procedure 1)
START
Does the external
display function ok?
Perform diagnostic check
(Procedure 2)
No
Was a display
problem detected?
Perform connector and
replacement check
(Procedure 3)
Replace system board
END
Yes
Yes
No
Display is not
faulty. Continue
troubleshooting-
refer to Figure 2.1
Figure 2-3 Display troubleshooting process