Question PC will not turn on at all

[Jwi82hwh]

Ok so I've replaced the motherboard and psu and still nothing. The wierdest thing is that when I was unplugging the 24 pin it would turn on. If it is connected all the way it won't turn on but if I leave it half connected it will turn on except it does so in like short bursts. What could be causing this? I literally just replaced the motherboard and psu because it would not turn on . I tested the psu with the psu tester and it worked so it was not the psu. I also tested the new psu with the tester and it turned on. Did I get a faulty motherboard? It just doesnt make sense how I have the same problem after replacing those 2 parts. I have reseated gpu and ram. I tested to see if it was the outlet but it will not turn on anywhere. I found this thread from a guy who also had the same problem but he just solved it by replacing his motherboard which I already did. Here is the link.

[SOLVED] - PC won't turn on from the power button, other weird issues with the 24-pin ATX cable

Hello, please allow me to preface this by saying that this was my first actual PC build. I've fiddled around with the insides of cases before on office computers and what not, but yesterday was the first day I decided to try to order components and assemble them into a new, hollow case. The...

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[g-unit1111]

What are your system specs? Be sure to list as much as you can. Also knowing the exact make and model of power supply will help.