Lenovo V480s - Manual (Page 66)

Remove the screws 4 and then remove the I/O board in the direction shown by the arrow 5 .
4
4
5
Step Screw (quantity) Color Torque
4 M2 × 5 mm, flat-head, nylon-coated (2) Black 1.85 kgf-cm
Remove the DC-in cable in the direction shown by the arrow 5 .
6
60 Hardware Maintenance Manual