Lenovo IdeaPad U310 - Page 50

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