Remove The System Board And The Touchpad Board Cable - Lenovo S14 Gen 3 Hardware Maintenance Manual

Figure 64. Separate the fingerprint board cable from the fingerprint board
Go to
https://support.lenovo.com/partslookup
replacement parts:
Fingerprint board
Fingerprint board cable
Fingerprint board mylar

Remove the system board and the touchpad board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 55
"Remove the battery pack" on page 56
"Remove the solid-state drive (SSD) module" on page 56
"Remove the Wi-Fi card" on page 58
"Remove the CMOS battery" on page 59
"Remove the memory module" on page 60
"Remove the heat sink (for Lenovo S15 G3 IAP)" on page 62
"Remove the heat sink (for Lenovo S15 G3 ABA)" on page 62
"Remove the fan" on page 63
Step 1. Remove two screws and then open the hinge.
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
67