Remove The System Board And The I/O Board Fpc - Lenovo IdeaPad Pro 5 Hardware Maintenance Manual

Screw specifications
M2.5 x L4.5
Step 3. Disconnect cables connected to the I/O board.
Figure 19. Disconnect cables connected to the I/O board
Step 4. Remove one screw and then remove the I/O board.
Figure 20. 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 the I/O board FPC

Make sure the following FRUs (or 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 Wi-Fi card" on page 31
Number of screws
2
Number of screws
1
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
37