Toshiba PROL450D Manual Do Utilizador
2 Troubleshooting Procedures
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual
9
2.3 Power Supply Troubleshooting
ST ART
Are the D C -IN and
B attery LED s lit?
Can you turn the
computer on?
A re the internal power
connections secure?
EN D
Check Power Supply Status
(Procedure 1)
No
Yes
Check power supply
connections
(P rocedure 3)
R un diagnostic program
(Procedure 4)
Yes
No
R eplace adaptor / battery
(Procedure 2)
No
P erform internal connection
check
(Procedure 5)
Replace system board
Yes
Figure 2-2 Power Supply Troubleshooting Process