Toshiba Satellite L300D Maintenance Manual page 45

2.3 Power Supply
DC IN LED
DC IN LED
On in Green
Off
Off
If the 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 and AC adapter back again.
If the LED still off, follows the steps below:
Check 1
Check 2
Satellite L300D/L305D/Satellite Pro L300D/EQUIUM L300D/SATEGO L300D
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DC power being supplied (from the AC adapter)
Battery damage and can't charge during DC-in.
Else
Make sure the DC IN LED goes on in Green. If it does not, go to Procedure 2.
Make sure the Battery LED goes on in Amber or Green or Orange. If it does
not, go to Procedure 3.
Power supply status
Maintenance Manual
2 Troubleshooting
2-7