Remove The Fingerprint Reader And Cable (For Selected Models) - Lenovo V17 Gen 4 i Hardware Maintenance Manual

Figure 26. Remove the CMOS battery
Go to
https://support.lenovo.com/partslookup
replacement part:
CMOS battery

Remove the fingerprint reader and cable (for selected models)

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 26
"Remove the USB board and cable" on page 40
Step 1. Disconnect and remove the fingerprint reader cable.
Figure 27. Disconnect and remove the fingerprint reader cable
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Lenovo V17 Gen 4 i Hardware Maintenance Manual
to look up the Lenovo part numbers of the following