The motherboard is the controller of the machine. The Q5 uses the MKS-Nano motherboard.
2.5 Allen key
Slotted screwdriver
new motherboard
Before starting any disassembly and assembly, make sure the machine is powered off
Note that the wiring sequence terminals must be placed in one-to-one correspondence. Refer to the method in the video to prevent incorrect connections.
Before powering on, you need to check the motherboard wiring diagram to prevent the motherboard from being damaged or unusable due to incorrect wiring.