Lenovo IdeaPad Slim 7 Series Hardware Maintenance Manual page 45

Step 2. Remove the two screws and remove the USB board.
Figure 20. Remove the USB board
Screw specifications
M2 x L2.5
Step 3. Disconnect the USB board cable from the system board and remove the cable.
Figure 21. Disconnect and remove the USB board cable
Screw specifications
M2 x L2.5
Go to https://support.lenovo.com/partslookup
replacement parts:
USB board
Number of screws
2
Number of screws
2
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
39