Lenovo V480 Hardware Maintenance Manual page 68

Removal steps of system board
1
Remove the screws .
Step Screw (quantity)
1
M2 × 5 mm, flat-head, nylon-coated (3)
Detach the connectors.
When installing: Ensure that all the connectors are attached firmly.
62
Hardware Maintenance Manual
1
10
8
9
1
1
Color
Black
7
Torque
3.0 kgf-cm