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

Screw specifications
M2 x L3.5
Step 3. Separate the I/O board cable from the I/O board.
Figure 62. 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 56
"Remove the hard disk drive (HDD) module (for selected models)" on page 57
"Remove the battery pack (for models with HDD)" on page 59
"Remove the battery pack (for models without HDD)" on page 59
"Remove the solid-state drive (SSD) module" on page 60
"Remove the Wi-Fi card" on page 61
"Remove the CMOS battery" on page 62
"Remove the memory module" on page 63
"Remove the heat sink" on page 64
"Remove the fan" on page 65
Step 1. Remove two screws and then open the hinge.
Number of screws
1
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
67