Lenovo V14 Gen 4 i Hardware Maintenance Manual page 97

Figure 99. Remove ten screws and then remove the hinges
Screw specifications
M2.5 x L3.3
M2 x L2.8
Go to https://support.lenovo.com/partslookup
part:
Hinges
Remove the LCD panel
Make sure the following FRUs (CRUs) have been removed.
"Remove the LCD module" on page 88
"Remove the LCD bezel" on page 90
Step 1. Remove the two pieces of removable tape with tweezers.
Note: The removable tape is not reusable. Replace it when replacing related FRUs.
Number of screws
8
2
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
91