Toshiba Satellite A665 Series Maintenance Manual page 70

2Troubleshooting Procedures
functioning properly, perform the following procedures. Figure 2-18 outlines the process.
Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: windows application test
Procedure 2: Connector and replacement check
Procedure 1 windows application test
Use windows application to check device can work fine or not .If an error is located, go to
Procedure 2. If an error is not located, the Finger printer system is functioning properly.
Procedure 2 Connector and replacement check
The Finger printer board or system board may be disconnected or damaged. Disassemble the
computer following the steps described in Chapter 4, Replacement Procedures, and perform
the following checks.
Check 1 Make sure that the Finger printer board FFC is securely slotted into the system
board. If the problem persists, go to Check 2.
Check 2 The Finger printer board may be damaged. Replace it with a new one following
the instructions in Chapter 4. If the problem still exists, perform Check 3.
Check 3 The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
Satellite A660/A665 Series Maintenance Manual 47