Toshiba NB250 Maintenance Manual page 40

2 Troubleshooting Procedures
DC-IN LED
Solid on
Off
To check the power supply status, install a battery pack and connect an AC adaptor to the
DC-IN port on the computer and to a power supply.
If the DC-IN LED or Battery LED is not lit, go to Procedure 2.
Procedure 2 Adaptor / battery replacement
A faulty adaptor may not supply power or may not charge the battery. Perform Check 1.
Check 1 Connect a new AC adaptor. If the problem is not resolved, go to Check 2.
Check 2 Insert a new battery. If the problem is still not resolved, go to Procedure 3.
NB250/NB255 Series Maintenance Manual
Table 2-2 DC-IN LED
Power supply status
AC power exists (LED is Green).
No AC power exists.
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