Lenovo ThinkPad T420 Hardware Maintenance Manual page 109

Step Screw (quantity)
M2 × 5 mm, wafer-head, nylon-coated (8)
2
When installing: Make sure that the connector is attached irmly.
When installing: Make sure that the wireless switch is adjusted as shown in callout
2
2
2
2
4
2
2
2
2
Color
Black
.
Chapter 8
3
Torque
0.181 Nm
(1.85 kgfcm)
.
a
Removing and replacing a FRU
103