2 Troubleshooting Procedures
Satellite U300 and Satellite Pro U300 Maintenance Manual (960-Q08) 11
Procedure 4 Charging Check
Check if the power supply controller charges the battery pack properly. Perform the
following procedures:
Check 1 Make sure the AC adapter is firmly plugged into the DC IN socket (W8800).
Check 2 Make sure the battery pack is properly installed. If it 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 while connecting the battery pack and the AC adapter. If the battery
pack is still not charged, go to Check 4.
Check 4 The battery’s temperature is too high or low. Leave the battery for a while to
adjust it in the right temperature. If the battery pack is still not charged, go to
Check 5.
Check 5 Replace the battery pack with a new one. If the battery pack is still not charged,
go to Procedure 5.
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