Lenovo 3254ACU Hardware Maintenance Manual page 94

Removal steps of RJ45 sub card
When installing: Make sure that the connector is attached firmly to the system board.
Step Screw (quantity)
3
M2 × 5 mm, wafer-head, nylon-coated (1)
88
Hardware Maintenance Manual
Torque
Color
Silver 0.181 Nm
(1.85 kgf-cm)