Computer hangs on start-up, but re-start always works

Posted by user10604 on Super User See other posts from Super User or by user10604
Published on 2012-03-30T08:42:14Z Indexed on 2013/10/24 10:01 UTC
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freeze

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startup

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restart

I press the power switch; the fans start whirring; then precisely nothing happens. The monitor lights (I have two monitors) blink to indicate that they aren't receiving any signal - no BIOS splash screen, nothing. This scenario occurs about 80 percent of the time, the other 20 percent being normal starts.

Noticing that the computer has not started properly, I press the power switch for four seconds to turn the computer off, and then I press it again to start the computer for the second time. It always starts normally the second time. Always.

The power supply is a 750W from SilverStone. The motherboard is a Gigabyte P55A-UD3P. The video card is an Asus EN9800GT. There's 8 GB of RAM. I don't know what other information might be pertinent. Help!

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