Remove The System Board And Io Board Cable - Lenovo 16IAX7 Hardware Maintenance Manual

Step 2. Disconnect the cables connected to the IO board.
Figure 23. Disconnect the cables
Step 3. Remove the screw and then remove the I/O board.
Figure 24. Remove the I/O board
Screw specifications
M2 x L3.5
Go to
https://support.lenovo.com/partslookup
part:
I/O board

Remove the system board and IO board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 30
"Remove the solid-state drive (SSD) plate L" on page 31
"Remove the solid-state drive (SSD) plate R" on page 32
"Remove the solid-state drive (SSD)" on page 33
42
Hardware Maintenance Manual
Number of screws
1
to look up the Lenovo part number of the following replacement