Why does the computer freeze and make a terrible buzzing noise every once in a while

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Twice now my computer has frozen, accompanied by a terrible, angry, buzzing/beeping noise through the speakers. It is my first build, and as such I'm not really educated enough to even make a guess as to what is causing it. It doesn't respond to any keyboard or mouse input and I end up needing to reset it. Here's what I've noticed:

  1. It has only happens when I am online
  2. It has only happens when a flash applet is running (once on chesscube.com, once on piq.codeus.net)

I know that might not mean anything, considering it's only happened twice, but I've put in like 20 hours on Steam and maybe 3 hours browsing online, so these crashes do seem connected with it. I've checked the temps and voltages after rebooting, and nothing seemed out of the ordinary. Here's my build:

  • intel i7 2600k
  • p8p67 deluxe mobo
  • gtx 570 superclocked
  • ripjaw RAM
  • 800W power supply
  • CM 690 case
  • Zahlman cpu fan
  • hard drive, disk drive etc.

All my drivers are up to date.

For some reason, I don't know why, I suspect my graphics card. Does anybody have any insight as to what might be causing this?

EDIT: also it has only happened when I've not been using head phones, as I only use my monitor speakers when not gaming. Idk if that's important, but there it is.

Best Answer

If it's the regular types of pc beep patterns, you can reference the motherboard manual to tell what problem it is trying to communicate. But i suspect that is not the case.

What you describe almost certainly translates into those indecipherable buzzing sounds that suggest the state when the audio hardware is getting rubbish input signals - due to the hardware crash - and thus producing rubbish noises. This does not necessarily suggest the audio hardware to be the faulty component; it can be any combination of components, unfortunately.

In my historical case, it was simply a bad combo of processor + motherboard. Not video card, not audio card, not RAM. I was only able to finally diagnose this with a second computer to swap parts individually. Using the processor on another motherboard, and the motherboard with another processor, worked perfectly stable.

You'd have to slowly troubleshoot a component at a time.

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