Lenovo Yoga C940–15IRH Hardware Maintenance Manual page 47

"Remove the speakers" on page 32
"Remove the WLAN card" on page 33
"Remove the M.2 solid-state drive" on page 35
"Remove the Thermal module" on page 36
"Remove the fingerprint sensor" on page 38
Step 1. Disconnect cables connected to the system board.
Figure 22. Disconnect cables
Step 2. Remove eight screws.
Figure 23. Remove eight screws
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Chapter 4 Removing a FRU or CRU
41