2Troubleshooting Procedures
Satellite A660/A665 Series Maintenance Manual
2.24 CIR Troubleshooting
START
Perform CIR test
(Procedure 1)
Was a CIR problem detect?
CIR is not faulty. Continue
troubleshooting-refer to
Figure 2-1
Replace system
board
Perform connector
and replacement
check
(Procedure 2)
END
Figure 2-23 CIR troubleshooting process
The system board may be the reason of a CIR fault. The system board may be damaged. To
determine if the computer’s CIR is functioning properly, perform the following procedures.