Lenovo CAMPUS LEGION SLIM 7-15ACH Hardware Maintenance Manual page 62

"Remove the camera privacy shutter" on page 52
"Remove the camera module" on page 53
"Remove the microphone rubbers" on page 54
"Remove the microphone board and the EDP cable" on page 54
Go to
https://support.lenovo.com/partslookup
part:
LCD cover
56
Hardware Maintenance Manual
to look up the Lenovo part number of the following replacement