Ok you have a short. That's bad! You risk taking out one or more component if it shorts against the wrong thing.
You need to check that all plugs are securly in place, and check that non of the bundled or hiden cables you have are faulty/touching metal.
There very well may be a short, or cable/plug loose somewhere causing noise.
But.. the PC just restarts?
Does this happen often?
Do you get a BlueScreen or error message of any kind?
If the computer just shuts down on its own, and there are no error messages of any kind, it could also be a power issue.
Might be dealing with a failing Power Supply too, getting noisy under load then failing.
Unless i missed something in a previous post.
My bios has an option to shut down the pc and restart if the case is opened- I have no idea why it has this option but I just set it to disabled. Doesn't explain the noise though.
Its a possibility.
The easiest way to know for sure, is try swapping out with a known good PSU and see if the problem goes away.
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