Lenovo 1141BUU Hardware Maintenance Manual page 73

Removal steps of keyboard
When installing: Make sure the screws have been fastened to secure to keyboard.
Step Screw (quantity)
1
M2 × 6 mm, wafer-head, nylon-coated (2)
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)
.
Chapter 8 Removing and replacing a FRU
67