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Possible problems encountered due to insufficient power supply

Last response: in Systems
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May 21, 2013 2:41:21 PM

Hey everyone, so I built a computer recently, but I've been struggling to get it running properly. My main question is would a Corsair 450W power supply be able to power this set-up

i7 3770
Z77-DS3H
16gb Corsair Vengeance RAM
120 SSD
1TB HD
DVD-RW
DVI output.

It's running and everything but the DVI output on the motherboard does not work. Would a under-powered supply contribute to that?
a b ) Power supply
May 21, 2013 3:06:23 PM

PSU is not the problem. I'm assuming the display works via the d-sub/vga port. Interestingly enough, it appears you don't have a graphics card. Is there any reason for that?
May 21, 2013 3:19:41 PM

I have a GT640. I can get DVI out of that but I would prefer to use the motherboard. It was working for about 20 hours then I shut down the computer and restarted last Wednesday and it has not worked since then. Could it be a motherboard issue. Is there any way to do a hard rest of the motherboard?
a b ) Power supply
May 21, 2013 3:53:48 PM

Chances are that windows updated and installed the software for your graphics card which enables it after shutdown.

The motherboard DVI won't typically work if you have a graphics card installed unless you create a separate windows profile with the graphics card disabled. You should be using the output on your graphics card. It's there for a reason; it processes graphics better than the inferior graphical processing unit built into your motherboard, the card does not re-route its output back to your motherboard DVI port, the DVI on your motherboard will only use the on board graphics that you bypassed by getting a graphics card.
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