Lenovo Yoga 9i Hardware Maintenance Manual page 55

Figure 33. Disconnect the sensor board cable and remove four screws
Screw specifications
M2 x L3
Step 2. Remove the hinge and soundbar assembly.
Figure 34. Remove the hinge and soundbar assembly
Go to
https://support.lenovo.com/partslookup
replacement parts:
Hinge and soundbar assembly
Number of screws
4
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
49