Toshiba Portege A600 Maintenance Manual page 61

2.3 Power Supply Troubleshooting
Check 2 In the case of error code 10h or 12h:
Make sure the AC adapter and AC power cord are firmly plugged into the DC
IN 15 V socket and wall outlet. If the cables are connected firmly, go to the
following step.
Connect a new AC adapter and AC power cord. If the problem still occurs, go
to Procedure 5.
Check 3 In the case of error code 21h:
Go to Procedure 3.
Check 4 For any other errors, go to Procedure 5.
PORTEGE A600 Maintenance Manual (960-710)
2 Troubleshooting Procedures
[CONFIDENTIAL] 2-15