Lenovo B71-80
47
Figure 8. Removal steps of system board
Remove screws
and screw
.
Step Screw (quantity)
Color
Torque
PN
M2 × 3 mm, Phillips-head,
nylok-coated (4)
M2 × 6 mm, Phillips-head,
nylok-coated (1)
Black
Black
1.85±0.15 kgfcm
1.85±0.15 kgfcm
90001118
90205118
a
b
a
a
a
a
b
a
b