PC turn on and off when booting

[YourSaviorLegion]

My PC will turn on and off upon pushing the power button, it doesn't happen all the time but it happens often enough. Cutting power from the computer via the PSUs switch fixes the problem and allows it to start without an issue. I think it may be a damaged case switch.

Update: Tried using the reset switch as the power switch and had the issue happen again. I'm thinking it's a PSU problem.

 

[hang-the-9]

If your testing led you to think it's a power supply issue, test your system with another power supply. Listing your components brand and models may help as well as details about the issue, has it always happened, just started happening, did anything change before the issue started, etc...