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