Remove The Touch Pad Cable - Lenovo IdeaPad 3i Chromebook Hardware Maintenance Manual

Go to
https://support.lenovo.com/partslookup
replacement parts:
I/O board lower cable

Remove the touch pad 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
Step 1. Lift the keyboard cable from the touch pad.
Figure 13. Lift the keyboard cable from the touch pad
Step 2. Disconnect and remove the touch pad cable.
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
35