Lenovo G70-70 Hardware Maintenance Manual page 59

Figure 11. Removal steps of system board
Loosen the screws a
direction shown by arrow
arrow .
c
a
a
Step Screw (quantity)
a M2.5 × 4 mm, flat-head, nylok-coated (3)
Lenovo G70-70/G70-80/Z70-80
. Detach optical disk drive switch board connector in the
, USB board connector in the direction shown by
b
b
c
a
Color Torque
Black 3.0 kgfcm
55