Remove The Lower Case (For 16-Inch Models) - Lenovo IdeaPad 5 2-in-1 14 9 Hardware Maintenance Manual

Figure 4. Remove four screws and the lower case
Screw specifications
M2 × L4
M2 × L7.5
Go to
https://support.lenovo.com/partslookup
replacement part:
Lower case
Remove the lower case (for 16–inch models)
Make sure the computer has been shut down before servicing the computer.
Step 1. Place the computer upside down on a flat surface.
Step 2. Remove seven screws, pry up the latches, and then remove the lower case.
Hardware Maintenance Manual
28
Number of screws
2
2
to look up the Lenovo part numbers of the following
Torque
2 ± 0.2 kgf-cm
2 ± 0.2 kgf-cm