Toshiba Satellite U500 Maintenance Manual page 53

Procedure 4 Charge Check
The power supply may not charge the battery pack. Perform the following procedures:
1. Reinstall the battery pack.
2. Attach the AC adaptor and turn on the power. If you cannot turn on the power, go to
Procedure 5.
Check 1 Make sure the AC adaptor and AC power cord is firmly plugged into the DC IN
socket and the wall outlet. If these cables are connected correctly, replace the AC
adaptor (and/or AC power cord, if necessary).
Check 2 Make sure the battery is properly installed. If the battery is properly installed, go
to Check 3.
Check 3 The battery pack may be completely discharged. Wait a few minutes to charge the
battery pack. If the battery pack is still not charged, go to Check 4.
Check 4 The battery's temperature is too hot or cold. Return the temperature to a normal
operating condition. If the battery pack still is not charged, go to Check 5.
Check 5 Replace the battery pack with a new one. If the battery pack still is not charged,
go to Procedure 5.
Satellite M500/M505/M507 Maintenance Manual [CONFIDENTIAL]
2 Troubleshooting Procedures
2-17