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2 Troubleshooting Procedures
2-10 [CONFIDENTIAL] Satellite M500/M505/M507 Maintenance Manual
2.3 Power Supply Troubleshooting
The power supply controls many functions and components. To determine if the power
supply is functioning properly, start with Procedure 1 and continue with the other Procedures
as instructed. The procedures described in this section are:
Procedure 1: Icons in the LCD Check
Procedure 2: Error Code Check
Procedure 3: Connection Check
Procedure 4: Charge Check
Procedure 5: Replacement Check
Procedure 1 Icons in the LCD Check
The following Icons in the LCD indicate the power supply status:
Battery icon
DC IN icon
The power supply controller displays the power supply status through the Battery icon and
the DC IN icon in the LCD as listed in the tables below. To check the power supply status,
install a battery pack and connect an AC adaptor.
Table 2-1 Battery icon
Battery icon Power supply status
Lights orange Battery has been charging and AC adaptor is connected.
Lights white Battery is fully charged and AC adaptor is connected.
Flashes orange Battery charge is low. The AC adaptor must be connected to recharge
the battery.
Doesn’t light Any condition other than those above.
Table 2-2 DC IN icon
DC IN icon Power supply status
Lights white DC power is being supplied from the AC adaptor.
Doesn’t light Any condition other than those above.