Remove The Upper Case Assembly; M2.5 × L4 - Lenovo ThinkBook 16p NX ARH Hardware Maintenance Manual

Figure 31. Remove six screws and turn the hinges
Screw specifications
M2.5 × L4
Step 4. Rotate the LCD unit to an angle of more than 90 degrees. Then, remove the LCD unit.
Figure 32. Remove the LCD unit
Go to https://support.lenovo.com/partslookup
replacement part:
LCD unit

Remove the upper case assembly

Make sure the following FRUs (CRUs) have been removed.+
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Lenovo ThinkBook 16p NX Hardware Maintenance Manual
Number of screws
6
to look up the Lenovo part numbers of the following