Lenovo ThinkPad L440 Hardware Maintenance Manual page 101

For ThinkPad L540
Step Screw (quantity)
1
M2 × 3.5 mm, flat-head, nylon-coated (2)
When installing: Ensure that mylar is applied on the inside of the fingerprint bracket.
1
2
1
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
95