Lenovo CAMPUS LEGION SLIM 7-15ACH Hardware Maintenance Manual page 38

Figure 6. Remove two screws and remove the SSD module
Screw specifications
M2 x L3.5
Step 3. Remove the SSD holder.
Figure 7. Remove the SSD holder
Step 4. Peel off the SSD Cu foil mylar.
Figure 8. Peel off the SSD Cu foil mylar
Go to
https://support.lenovo.com/partslookup
replacement parts:
SSD
SSD holder
Cu foil mylar
32
Hardware Maintenance Manual
Number of screws
2
to look up the Lenovo part numbers of the following