2 Troubleshooting Procedures
2.3 Power Supply Troubleshooting START
Are the DC -IN
and Battery LEDs
lit?
Can you turn the
computer on?
A re th e in te rn a l
power connections
secure?
END
Check Power Supply
Status (Procedure 1)
No
Yes
Check power supply
connections
(Procedure 3)
Run diagnostic
program
(Procedure 4)
Yes
No
Replace adaptor /
battery
(Procedure 2)
No
Pe rfo rm inte rn al
connection check
(Procedure 5)
Replace system board
Yes
[CONFIDENTIAL]
Satellite L670/L675/ProL670 Series Maintenance Man
ual