1a

1d

1c

1b

 

Step

Screw (quantity)

Color

Torque

 

 

 

 

 

 

 

 

 

Capture shoulder screw (4)

Silver

0.181 Nm

 

1

 

 

 

 

 

 

(1.85 kgfcm)

 

 

 

 

 

 

 

 

 

M2 × 3 mm, wafer-head, nylon-coated (1)

black

0.181 Nm

 

2

 

 

 

 

 

 

(1.85 kgfcm)

 

 

 

 

 

 

For Discrete Graphics models:

3

4

98ThinkPad T420 and T420i Hardware Maintenance Manual

Page 104
Image 104
Lenovo T420i manual Step Screw quantity Color Torque