Remove The System Board, I/O Board Cable, Power Board Cable And Dc-In Cable; Remove The Type-C Bracket - Lenovo Yoga Pro 9i Maintenance Manual

Figure 15. Disconnect the I/O board cable
Step 2. Remove two screws and then remove the I/O board.
Figure 16. Remove two screws and remove the I/O board
Screw specifications
M2 x L2.8
Go to
https://support.lenovo.com/partslookup
part:
I/O board
Remove the system board, I/O board cable, power board cable and DC-
in cable
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)" on page 30
"Remove the Type-C bracket" on page 31
Number of screws
2
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
35