2 Troubleshooting 2.3 Power Supply
2.3 Power Supply The power supply in the computer controls many functions and components. To check if the
power supply is defective or malfunctioning, follow the troubleshooting procedures below as
instructed.
Procedure 1 Power Icon Check
Procedure 2 Connection Check
Procedure 3 Replacement Check
Procedure 1 Power Icon Check
The following LED indicates the power supply status:
Battery LED/ DC IN LED
The power supply controller displays the power supply status through the Battery LED / DC
IN LEDs as in the tables below.
Battery LED / DC IN LED Power supply status
On in Green AC Adaptor is plugged or Battery is fully charged
On in Amber Battery is being charged from AC Adaptor
Blinking in Amber Critical low battery while driving the computer
Off Else
If the Battery LED / DC IN LED off, follow the steps below:
1. Remove the battery pack and the AC adapter to shut off power supply to the computer.
2. Attach the battery pack and AC adapter back again.
Check 1 Make sure the Battery LED / DC IN LED goes on. If it does not, go to
Procedure 2.
Check 2 Make sure the computer is able to be powered without AC adaptor supply, if it
does not, go to Procedure 3.
Satellite/Satellite Pro/L630/L635 Maintenance Manual 2-6