Toshiba Portege R500 Maintenance Manual - Page 105
Procedure 4, Connector Check and Replacement Check
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2.15 Fingerprint sensor Troubleshooting 2 Troubleshooting Procedures Procedure 4 Connector Check and Replacement Check The Fingerprint sensor cable is connected to the connector CN9810 on the Fingerprint sensor board and connector CN9800 on the system board. Check 1 Check the Fingerprint sensor cable is firmly connected to the connector CN9810 on the Fingerprint sensor board and connector CN9800 on the system board. If not, connect it firmly. If the Fingerprint sensor is still not functioning properly, perform Check 2. Check 2 The Fingerprint sensor cable may be faulty. Replace it with a new one. If the problem persists, perform Check 3. Check 3 The Fingerprint sensor 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. PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] 2-59