Unexpected restart 24V DC Cooling Fan caused by hardware

"24V DC Cooling Fan" is the foundation or core computer hardware to run its normal operating stability of the software can have a very important role. I think because of the restart phenomenon is caused by the most hardware, we do not think the hardware is very complicated, in fact, "24V DC Cooling Fan" and there was a lot of laws. Normally the machine is rebooted accidentally caused by hardware has the following characteristics: Software upgrade or replacement can not be solved with a joint, fault occurs in the same way. Find "24V DC Cooling Fan"when a hardware failure, we must first rule out hardware setup errors and set joint errors. That help to find the correct hardware failure.