Remove The System Board And The I/O Board Cable - Lenovo IdeaPad Slim 5i Hardware Maintenance Manual

Figure 26. Remove the fingerprint sensor cable and board
Go to
https://support.lenovo.com/partslookup
replacement part:
Fingerprint sensor bracket
Fingerprint sensor cable
Fingerprint sensor board

Remove the system board and the I/O board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 29
"Remove the battery pack" on page 30
"Remove the 2242 solid-state drive (SSD), thermal pad, and holder" on page 31
"Remove the 2nd solid-state drive (SSD) module (for selected models)" on page 33
"Remove the Wi-Fi card" on page 35
"Remove the heat sink" on page 36
"Remove the fan" on page 38
"Remove the speakers and the speaker cable rubber" on page 40
Step 1. Remove the tape from the system board. Remove four screws and open the right hinge.
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing an FRU or CRU
43