Callout number
2
3
Step 3.
Remove I/O bracket.
Figure 24. Remove I/O bracket
Step 4.
Remove the main board.
Figure 25. Remove main board
Go to
https://support.lenovo.com/partslookup
part:
Main board
42
Lenovo Yoga C940–15IRH Hardware Maintenance Manual
Screw specifications
M2 x L3.5
M2 x L5
to look up the Lenovo part number of the following replacement
Number of screws
7
1