Remove the screws that secure the system board.
Step
Screw (quantity)
2
M2 × 4.5 mm, flat-head, nylon-coated (4)
Remove the system board together with the thermal fan assembly.
80
E470, E470c, and E475 Hardware Maintenance Manual
Color
Torque
Silver
0.294 Nm
(3.0 kgf-cm)