Computer won't boot after being turned off V2

trexiic

Honorable
Jan 26, 2014
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0
10,680
Sorry for my bad English, I speak French.

I have a problem with my new custom PC:
i7-4790k
Asus Z97-E
Avexir 2x4gb
EVGA 750w bronze
Bitfenix Shadow
Seagate Barracuda 1tb

When I first boot my pc, it works.
Then I shutdown: it works
Then I boot my pc again: The fans spin, the LEDs are on, but the screen is black. If I press and hold the power button to shut it down, it doesn't work. I need to shutdown the powersupply at the back of the case.
Then I press the power button again and it boots normally.

I need to do this everytime.
What's the problem?

Update: It seems like it only happens if I wait a few hours. If a boot just after it turned off, there is no problem.
There is a video of what happens, I pressed the power button once before starting the video: https://www.youtube.com/watch?v=W830JkZ8u8I

Thanks!
 

trexiic

Honorable
Jan 26, 2014
104
0
10,680
I don't have an other power supply :(
The weird thing is, the computer still boots, but nothing shows on the screen, and when I hold down the power button to shut it down, it doesn't work.
 

trexiic

Honorable
Jan 26, 2014
104
0
10,680
Its a pain in the ass to remove everything from my case, so if i unplug everything except one stick of ram, cpu power, atx 24pin power, is it ok? To I need to plug my ssd? (I had this problem before having the ssd too, so I guess its not defective)
 

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