Lenovo Yoga Slim 6i Hardware Maintenance Manual page 43

"Remove the lower case" on page 28
Step 1. Remove the left fan.
Note: For details, see "Remove the fans" on page 35
Step 2. Disconnect the I/O board cable from the I/O board. Then, remove two screws and lift the left hinge.
Figure 16. Disconnect the cable and lift the left hinge
Screw specifications
M2 × L4.5
Step 3. Remove the I/O board mylar. Then, remove two screws and the I/O board.
Figure 17. Remove two screws and remove the I/O board
Number of screws
2
.
Chapter 4 Removing a FRU or CRU
37