HP Compaq nc6300 Maintenance And Service Manual page 151

6. Disconnect the following cables from the system board:
1 RTC battery cable
2 TouchPad cable
3 Fingerprint reader board cable
7. Remove the microphone 4 from the hole in the top cover.
Disconnecting the RTC Battery, TouchPad, and Fingerprint Reader
Board Cables
Maintenance and Service Guide
Removal and Replacement Procedures
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