Lenovo ThinkPad T540p Hardware Maintenance Manual page 101

Step Screw (quantity)
2
M2.5 × 3.5 mm, flat-head, nylon-coated (4)
Removal steps of the LCD cable
Color Torque
Black 0.392 Nm
(4.0 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
95