Lenovo U31-70 Laptop Hardware Maintenance Manual - Lenovo U31-70 - Page 48

Remove the screws, Lift the heat sink in the direction shown by arrows, M2 × 4 mm, Phillips head

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U31-70 Hardware Maintenance Manual Figure 7. Removal steps of fan assembly and Heat Sink assembly (continued) Remove the screws 5. 5 5 5 5 5 Step Screw (quantity) 5 M2 × 4 mm, Phillips head, nylok-coated (5) cpu thermal module---cpu plate & vga thermal module---MB Color Torque Black 1.0~1.5 kgf*cm Lift the heat sink in the direction shown by arrows 6. 6 6 44

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U31-70 Hardware Maintenance Manual
Figure 7. Removal steps of fan assembly and Heat Sink assembly (continued)
Remove the screws
5
.
5
5
5
5
5
Step
Screw (quantity)
Color
Torque
5
M2 × 4 mm, Phillips head, nylok-coated (5)
cpu thermal module---cpu plate & vga thermal
module---MB
Black
1.0~1.5 kgf*cm
Lift the heat sink in the direction shown by arrows
6
.
6
6