Remove The Upper Case - Lenovo ThinkBook 13s Gen 4 Hardware Maintenance Manual

Step 4. Rotate the LCD module to an angle of more than 90 degrees and place the computer on a flat
surface as shown. Remove eight screws and then remove the LCD module.
Figure 35. Remove the LCD module
Screw specifications
M2.5 x L5
M2 x L4

Remove the upper case

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the battery pack" on page 29
"Remove the solid-state drive (SSD) module" on page 30
"Remove the speakers" on page 31
"Remove the I/O bracket" on page 31
"Remove the touchpad cable" on page 33
"Remove the touchpad" on page 34
"Remove the heat sink" on page 35
"Remove the fans" on page 36
"Remove the I/O board" on page 37
"Remove the fingerprint board module" on page 41
"Remove the system board and the I/O board cable" on page 42
"Remove the LCD module" on page 45
Go to https://support.lenovo.com/partslookup
part:
Upper case
46
Hardware Maintenance Manual
Number of screws
6
2
to look up the Lenovo part number of the following replacement