2 Troubleshooting Procedures
Procedure 2 Connector Check and Replacement Check
The fingerprint board is installed to the touchpad board. If the fingerprint board
malfunctions, there may be a bad connection between the fingerprint board and the touchpad
board. Or the fingerprint board or touchpad board might be damaged.
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures and perform the following checks:
Check 1 Make sure the fingerprint board is firmly connected to A1tp_J1 on the touchpad
board and the connector of the fingerprint board.
If a connector is disconnected, connect it firmly and repeat Procedure 1. If the
fingerprint board is still not functioning properly, perform Check 2.
Check 2 The fingerprint board may be defective or damaged. Replace it with a new one
following the steps in Chapter 4, Replacement Procedures. If the fingerprint
board is still not functioning properly, perform Check 3.
Check 3 The touchpad board may be defective or damaged. Replace it with a new one
following the steps in Chapter 4, Replacement Procedures.
Satellite M500/M505/M507 Maintenance Manual [CONFIDENTIAL] 2-49
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