Lenovo ThinkPad T540p Hardware Maintenance Manual page 102

For models with wedge LCD
Removal steps of the LCD panel, the hinges, and the LCD cable
Step Screw (quantity)
2
M2.5 × 3.5 mm, flat-head, nylon-coated (6)
96
Hardware Maintenance Manual
Color Torque
Black 0.392 Nm
(4.0 kgf-cm)