Toshiba Satellite A350 Maintenance Manual page 94

2 Troubleshooting Procedures
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The Finger printer board or system board may be the reason of a finger printer fault. Either of
these two components may be damaged. To determine if the computer's Finger printer is
functioning properly, perform the following procedures. Figure 2-22 outlines the process.
Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1
Run the Diagnostic Program, which will automatically execute the Finger printer test. Tests
and Diagnostics for more information on the program.
If an error is located, go to Procedure 2. If an error is not located, the Finger printer system is
functioning properly.
Procedure 2
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
Check 2
Check 3
Satellite A350, SATEGO A350, EQUIUM A350 Series Maintenance Manual
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Procedure 1: Diagnostic test
Procedure 2: Connector and replacement check
Diagnostic test
Connector and replacement check
Make sure that the Finger printer board FFC is securely slotted into the system
board. If the problem persists, go to 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.
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
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