Lenovo Thinkbook Series Hardware Maintenance Manual page 68

"Remove the upper case " on page 59
Step 1. Remove the hinge cap.
Figure 59. Remove the hinge cap
Step 2. Use the pry tool to remove the LCD bezel.
Figure 60. Use the pry tool to remove the LCD bezel
Go to
https://support.lenovo.com/partslookup
replacement parts:
Hinge cap
LCD bezel
62
Lenovo Thinkbook series Hardware Maintenance Manual
to look up the Lenovo part numbers of the following