Lenovo ThinkPad X230 Tablet Manual page 111

Removal steps of built-in microphones and LCD cables
Step Screw (quantity)
1
M2 × 3.5 mm, wafer-head, nylon-coated (2)
Color Torque
Silver 0.181 Nm
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
105