Go to
https://support.lenovo.com/partslookup
part:
Deco cover
Remove the lower case
Make sure the following FRU (or CRU) has been removed.
"Remove the deco cover" on page 30
Step 1.
Place the computer upside down on a flat surface.
Step 2.
Remove nine screws.
Figure 4. Remove nine screws
Screw specifications
M2 x L8
M2 x L4
Step 3.
Pry up the latches and then remove the lower case.
to look up the Lenovo part number of the following replacement
Number of screws
5
4
.
Chapter 4
Removing a FRU or CRU
31