Lenovo ThinkPad P15 Gen 2 Hardware Maintenance Manual page 106

Removal steps of the trackpad and trackpad cable
Step Screw (quantity)
4
M2 × 2 mm, flat-head, nylon-coated (4)
When installing:
Ensure that the connector is attached firmly.
100
P15 Gen 2, T15g Gen 2, and P17 Gen 2 Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)