Remove The Wi-Fi Card - Lenovo 82RK00P5IX Hardware Maintenance Manual

Figure 26. Disconnect the fan cable
Step 2. Remove four screws and then remove the fan.
Figure 27. Remove four screws and the fan
Screw specifications
M2 x L3.5
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.
44
IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i Series Hardware Maintenance Manual
Number of screws
4
to look up the Lenovo part numbers of the following