Lenovo ThinkPad S440 Hardware Maintenance Manual page 88

Removal steps of the audio, HDMI, and USB card
1. Remove the screws
Step Screw (quantity)
1
M2.5 × 4 mm, wafer-head, nylon-coated (2)
2
M2 × 4 mm, wafer-head, nylon-coated (1)
2. Open the computer several inches
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Hardware Maintenance Manual
1 2
and screw .
3 .
Color Torque
Black 0.196 Nm
(2.00 kgf-cm)
Black 0.196 Nm
(2.00 kgf-cm)