Toshiba PORTEGE R400 Maintenance Manual page 53

Procedure 4 Charge Check
Check 1 Make sure the AC adaptor and AC power cord are 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.
PORTEGE R400 Maintenance Manual (960-623)
2 Troubleshooting Procedures
[CONFIDENTIAL] 2-15