Lenovo IdeaPad Y480 Hardware Maintenance Manual page 56

Lenovo Y480/Y580 Hardware Maintenance Manual
Figure 10. Removal steps of system board
Y480: Loosen the screws
connectors in the direction shown by arrows
52
b
Step Screw (quantity)
a
M2.5 × 4 mm, flat-head, nylok-coated (2)
a . Unplug LCD, USB, Power, speaker, bluetooth
b
b
a
a
b
b
.
b
Color Torque
Black 1.5 ~ 2.0 kgfcm