Lenovo 81B1002YIX Hardware Maintenance Manual page 60

Hardware Maintenance Manual
Figure 10. Removal steps of system board
Remove the screws J and K.
Remove the system board in the direction shown by arrow L.
56
Step Screw (quantity)
M2 x L4.5mm, Phillips-head (4)
J
M2 x L2.5mm, Phillips-head (1)
K
j
j
k
j
j
Color Torque
Black 1.6-2.0 kgf.cm
Black 1.6-2.0 kgf.cm
l