Remove The Fingerprint Board Module - Lenovo 20V9003DIX Hardware Maintenance Manual

Figure 21. Disconnect the I/O board cable and the fingerprint board cable from the I/O board
Step 3. Remove the I/O board.
Figure 22. Remove the I/O board
Go to
https://support.lenovo.com/partslookup
part:
I/O board

Remove the fingerprint board module

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 35
"Remove the I/O bracket (right)" on page 39
"Remove the I/O board" on page 42
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Remove the fingerprint board module.
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
43