Remove The System Board And The I/O Board Cable - Lenovo 20V9003DIX Hardware Maintenance Manual

Figure 73. Remove four screws
Screw specifications
M2 x L2
Step 3. Remove the touchpad with cable.
Figure 74. Remove the touchpad with cable
Go to
https://support.lenovo.com/partslookup
part:
Touchpad with cable

Remove the system board and the I/O board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 58
"Remove the battery pack" on page 59
"Remove the solid-state drive (SSD) module" on page 59
"Remove the heat sink" on page 60
"Remove the fans" on page 61
"Remove the I/O bracket (left)" on page 64
Step 1. Detach the antenna cable connectors and disconnect the I/O board cable from the I/O board. Then,
disconnect cables connected to the system board.
Number of screws
4
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
69