Lenovo ThinkPad Edge E420 Hardware Maintenance Manual page 84

Step Screw (quantity)
1
M2 × 6 mm, wafer-head, nylon-coated (1)
Step Screw (quantity)
2
M2 × 6 mm, wafer-head, nylon-coated (2)
When installing: Make sure that the connector is attached firmly to the system board.
For ThinkPad Edge E420 models
For ThinkPad Edge E425 models
78
Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgfcm)
Torque
Color
Black 0.181 Nm
(1.85 kgfcm)