Lenovo IdeaPad U460 Hardware Maintenance Manual page 59

Figure 12. Removal steps of fan assembly and heat sink assembly (continued)
Remove three screws
3
Step Screw (quantity)
With Spring, flat-head, nylok-coated (3)
2
M1.98 × 3, flat-head, nylok-coated (1)
3
and one screw .
2 3
2
2
2
Lenovo IdeaPad U460
Color Torque
Black 2.5 kgfcm
Silver 1.5 kgfcm
55