Lenovo G40-30 Hardware Maintenance Manual page 53

Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75
Figure 9. Removal steps of keyboard bezel (continued)
Remove the screw 5.
Step Screw (quantity)
M2 × 3.5 mm, flat-head, nylok-coated (1)
5
Power BD to C
Carefully remove the power board in the direction shown by arrow 6.
Color Torque
Black 1.5 ~ 2.0 kgf*cm
49