Remove The Wi-Fi Card - Lenovo IdeaPad 3 Hardware Maintenance Manual

Go to
https://support.lenovo.com/partslookup
replacement part:
Memory module

Remove the Wi-Fi card

Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable from the system board.
Attention: Do not pull the cable. Use your fingernail to disconnect the cable.
Figure 24. Disconnect the battery pack cable
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
41