Question about Computers & Internet
That is absolutely wrong. You cannot wire the CPU fan to the power supply because you will most likely burn the fan out. The power supply (ac adapter) is most likely feeding 19 volts to the motherboard, which is broken down into lower voltages to run various components. The fan may only be a 1.5 or 3 volt component. Fan speed is controlled by the voltage, so it would spin up much higher than it is designed for.
And even if it did work, the fan would not step down or idle at any time so it would fatigue and burn out from constantly spinning at a high speed.
CPU fan failure would almost certainly lead to a cooked cpu, damaged motherboard or both. You should have the machine serviced to repair the fan circuit unless you are willing to risk the loss of the whole machine. It is too critical a component.
Posted on May 28, 2009
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Posted on Jan 02, 2017
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