Lenovo G770 Lenovo G770 Hardware Maintenance Manual V1.0 - Page 59
Removal steps of fan assembly and heat sink assembly continued, M2.5 × 4 mm, flat-head
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Lenovo G770 Figure 12. Removal steps of fan assembly and heat sink assembly (continued) Remove four screws b and three screws c . b b b b c c c Lift the fan assembly and heat sink assembly in the direction shown by arrow d. Be careful not to damage the connector. d Step b c Screw (quantity) Color M2 × 2 mm, flat-head, nylok-coated (4) Black M2.5 × 4 mm, flat-head, nylok-coated (3) Black Torque 1.6 kgfcm 2.0 kgfcm 55
Lenovo G770
55
Figure 12. Removal steps of fan assembly and heat sink assembly (continued)
Remove four screws
and three screws
.
Lift the fan assembly and heat sink assembly in the direction shown by arrow
. Be careful not to damage the connector.
Step
Screw (quantity)
Color
Torque
M2 × 2 mm, flat-head, nylok-coated (4)
Black
1.6 kgfcm
M2.5 × 4 mm, flat-head, nylok-coated (3)
Black
2.0 kgfcm
b
c
c
b
b
c
b
b
c
d
d
b
c