2 Troubleshooting Procedures
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual
14

2.4 Display Troubleshooting

Perform external display check
(Procedure 1)
START
D oes the external
display function ok?
Perform diagnostic check
(Procedure 2)
No
Was a display
problem detected?
Perform connector and
rep lacement check
(Procedure 3)
R eplace system bo ard
END
Yes
Yes
No
Display is not
faulty. C ontinue
troubleshooting-
refer to F ig u re 2 .1
Figure 2-3 Display troubleshooting process