Remove The System Board And The Touchpad Board Cable - Lenovo V14 Gen 4 i Hardware Maintenance Manual

Screw specifications
M2.5 x L5
Step 2. Disconnect the I/O board cable from the system board. Remove one screw and then remove the I/
O board with cable.
Figure 125. Remove the I/ O board with cable
Screw specifications
M2 x L3.5
Step 3. Separate the I/O board cable from the I/O board.
Figure 126. Separate the I/O board cable from the I/O board
Go to https://support.lenovo.com/partslookup
replacement parts:
I/O board
I/O board cable

Remove the system board and the touchpad board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 95
"Remove the hard disk drive (HDD) module (for selected models)" on page 96
"Remove the battery pack (for models with HDD)" on page 97
Number of screws
2
Number of screws
2
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
105