2 Troubleshooting Procedures 
Satellite A660/A665 Series Maintenance Manual  
Table 2-2 DC-IN LED 
AC power exists (LED is solid White). 
 
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.