Lenovo IdeaPad U310/U410 Hardware Maintenance Manual
46
Figure 6. Removal steps of fan assembly and heat sink assembly (continued)
U310:
Remove four screws
and screw
.
U410:
Remove six screws
and screw
.
Step
Screw (quantity)
Color
Torque
M2.5 × 3.5 mm, flat-head, nylok-coated
(1)
Silver
2.5 kgfcm
M2.5 × 4.0 mm, flat-head, nylok-coated
(1)
Silver
2.5 kgfcm
b
c
b
c
b
b
b
b
c
b
b
b
b
b
c
b
b
b