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I just built my first computer, but every time I hit the power button everything goes on like it was starting up, then everything turns off for about 3 seconds, and then it turns on and stays on. Is this just something my motherboard does, or is this an error that puts my computer at risk when I turn it on?

  • Asus P8P67 Deluxe
  • Intel Core i7 2600K Sandy Bridge 3.4 GHz
  • NVIDIA GeForce GTX 570
  • Cooler Master 690
  • 500 GB SATA
  • 800W Power supply
  • RAM
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  • For me it did this only once and after each time I set the BIOS settings. Usually when the computers stay out after turning on, there's a short circuit somewhere. But it goes back on, so I don't really know an answer to this.
    – sinni800
    Commented Jan 28, 2011 at 8:57
  • It get's worse if you get random reboots like I had, most likely caused by my PSU not being powerful enough.
    – Ivo Flipse
    Commented Feb 2, 2011 at 8:02

1 Answer 1

Reset to default
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This is normal, I have 2 different types and manufacturer of motherboard in my computer room that do this (Intel server S5000XVN & Asus P5-Q). I think it's part of a safe power on process.

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  • 1
    Especiall if it's the fans turning up after the CMOS beep - modern motherboards usually perform a fan test at startup for the user to make sure they're all working.
    – Tobias Plutat
    Commented Jan 28, 2011 at 10:18
  • indeed, same behaviour here. If the fans dont spin up it'll (hopefully) power down before damage occurs.
    – Sirex
    Commented Jan 28, 2011 at 10:56
  • That's a relief. Still annoying, though. Thanks everyone!
    – Arthur Skirvin
    Commented Jan 28, 2011 at 19:05

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