Lenovo IdeaPad Y480 Hardware Maintenance Manual page 52

Lenovo Y480/Y580 Hardware Maintenance Manual
Figure 9. Removal steps of keyboard (continued)
Y580: Remove twelve screws
bottom.
Y480: Remove the screw
48
c
a
a
a
Step Screw (quantity)
a
M2.5 × 8 mm, flat-head, nylok-coated(12) Black
b
M2 × 2 mm, flat-head, nylok-coated (4)
c M2 × 3 mm, flat-head, nylok-coated (3)
Step Screw (quantity)
d
Y480: M2.5 × 4 mm, flat-head, nylok-
coated (1)
a
, four screws
a
c
a b
c
b b
a
a
d
.
d
b c
and three screws
b
a
a
a
a
a
Color Torque
1.5 ~ 2.0 kgfcm
Black 1.0 ~ 1.5 kgfcm
Black 1.0 ~ 1.5 kgfcm
Color Torque
Black 1.5 ~ 2.0 kgfcm
on the