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

Go to
https://support.lenovo.com/partslookup
replacement parts:
Fans

Remove the Wi-Fi card

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 32
Step 1. Disconnect the battery pack cable and Wi-Fi card cable from the system board and disconnect Wi-
Fi antenna cable from Wi-Fi card.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Figure 31. Disconnect the battery pack and Wi-Fi card cable
Step 2. Remove one screw and then remove the Wi-Fi card.
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
49