Remove The Wlan Card - Lenovo Yoga C940–15IRH Hardware Maintenance Manual

Figure 8. Disconnect the cables
Step 2. Remove the speakers carefully.
Figure 9. Remove the speakers
Go to https://support.lenovo.com/partslookup
part:
Speakers

Remove the WLAN card

Make sure the following FRU (or CRU) have been removed.
"Remove the active pen" on page 28
"Remove the lower case" on page 29
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
33