Lenovo ThinkPad T540p Maintenance Manual page 87

Removal steps of the fingerprint reader
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (2)
When installing:
Ensure that the connector is attached firmly.
1
2
1
Color Torque
Silver 0.181 Nm
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
81