Lenovo ThinkPad T420s Hardware Maintenance Manual page 93

Removal steps of smart card reader
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (5)
Downloaded from LpManual.com Manuals
12
9
10
11
13
12
13 12
13
1
1
1
1
1
Color
Silver
Chapter 8
Torque
0.181 Nm
(1.85 kgf-cm)
.
Removing and replacing a FRU
87