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I am so confused...

I

iamtrout

Diamond Member
Well, this happened twice tonight, the first time I've ever seen anything like this. All I was doing was surfing the web and all of a sudden my monitor screen goes blank and there's this REALLY loud noise exactly like a smoke detector coming from my tower. After a few seconds the noise stops and my computer doesn't restart with the restart button; I have to manually shut it off and turn it back on.

It boots up fine. After ten minutes of surfing the web the same thing happens, only this time I flick the switch on the back of the PSU to turn it off.

No burning smell. No exploded caps. What the hell is going on?

A64 3000+ @ 2.4GHz
Shuttle AN51R - nForce 3 250
Fortron Blue Storm 500W PSU
6800NU
2x512MB Kingmax DDR433 RAM
Watercooling using Swiftech waterblocks, an industrial pump, all working fine at the time.

What would cause a computer to make a sound like that? It was WAY louder than anything I've heard a mobo tweeter ever make.
 
not enough power going to the video card. Happens to me when I had the seconday power supply sending power to the video card, and I accidentally would turn it off first. Makes a horrible sound. Try using a different molex connector and see if that helps (possibly on another rail), otherwise you might need to upgrade the PSU or get another one, as it might be faulty... That's my guess as to what that is anyway.

EDIT: You can check to see if that is the sound by pulling power to the video card. It won't actually hurt anything (I don't think, and I haven't killed mine yet, and it had happened a number of times).
 
That's one of the things that's confusing me. The video card is actually running on its own seperate 500W PSU and the Fortron is running everything else (6 HDD, 3 Burners, waterpump, etc) The PSU that the video card's running off of is a cheap Aspire, but I figured it should be able to at least run ONE overclocked video card, right?
 
Well, if that is the only thing that the PSU is running, then you might actually be hitting the minimum of the rails... Try running it off of the other PSU, and see what happens.
 
Check your BIOS and see if you have a CPU temp alarm set. Mine, by default, was set to alarm when the CPU hit something like 50C which was too low IMO, as it tended to get to 52-54C under load. I upped the level to 58C and have never heard that annoying chirp! chirp! chirp! again.
 
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