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

Figure 27. Remove the touchpad board cable
Go to
https://support.lenovo.com/partslookup
replacement parts:
Touchpad board cable

Remove the system board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 38
"Remove the battery pack" on page 39
"Remove the solid-state drive (SSD) module" on page 40
"Remove the solid-state drive (SSD) stand off" on page 41
"Remove the Wi-Fi card" on page 42
"Remove the heat sink (for Lenovo V14 G4 AMN)" on page 43
Step 1. Remove two screws and then open the hinge.
Figure 28. Remove two screws and then open the hinge
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Hardware Maintenance Manual
to look up the Lenovo part numbers of the following