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Toshiba PORTEGE M400 User Manual

Page 111

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2.18 Fingerprint sensor Troubleshooting

2 Troubleshooting

PORTEGE M400 Maintenance Manual (960-541)

[CONFIDENTIAL]

2-63

Check 3

The NF board may be faulty. Replace it with a new one. If the problem persists,
perform Check 4.

Check 4

The system board may be faulty. Replace it with a new one.