Remove The System Board - Lenovo V15 Gen1 i Hardware Maintenance Manual

Step 1. Disconnect the fingerprint board cable.
Figure 29. Disconnect the fingerprint board cable
Step 2. Remove the fingerprint reader.
Figure 30. Remove the fingerprint reader
Go to https://support.lenovo.com/partslookup
replacement part:
Fingerprint reader

Remove the system board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 30
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Lenovo V14 Gen1 i, Lenovo V15 Gen1 i, Lenovo V17–IIL Hardware Maintenance Manual
to look up the Lenovo part numbers of the following