How to Turn on a Computer Power Supply without a Computer

ATX computer power supplies are readily available and cheap. They provide a easy way to get 12 volts or 5 volts DC. In this video I show you how I turn on the power supply without it being connected to a computer.

Comments

I'm Bored says:

so im not a computer guy,but what its purpose without pc?

MichaelAChang says:

Some power supplies won’t turn on without a load on its 5V rail, so you’ll need some sort of load like the light bulb you have in the video, or a power resistor to draw a bit of current.

Cool Steve says:

Hi thanks,it worked
i have cooler master V650 650W psu
I had to run hard disk on it.
So whats the safe way to shut it down?
And hard is connected to laptop.turn off laptop first then power supply?

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