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Weird Noise

By mcollins ·
Just this morning, I had to restart my computer. When it came back on, a unrecognizable siren noise started. I was wondering if this problem has occured to others. The board and processor is AMD, if that is helpful. It noise wouldn't stop that time until I restarted the computer. The second the computer was restarted, the noise started again, but only for about 30 seconds. Could something be loose? I would appreciate some help on this one.

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Weird Noise

by SyscoKid In reply to Weird Noise

Could be the power supply or CPU fan wobbling out of alignment, or a stray wire touching one of those fans. Turn it off, open it up, and turn it on. Watch where the sound is coming from and look to see what's going on.

Could also be the power supply fan is just dusty.

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Weird Noise

by mcollins In reply to Weird Noise

The question was auto-closed by TechRepublic

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Weird Noise

by freddo frog In reply to Weird Noise

More info required!
What stage of booting the system does the noise occur? What sort of noise is it (i.e. a constant siren or a series of beeps? From where in the case does the noise seem the coming? Have you noticed any problems with the operationof any of the system components?

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Weird Noise

by mcollins In reply to Weird Noise

The question was auto-closed by TechRepublic

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by eduardo In reply to Weird Noise

Your hard drive can make a noise like that when it spin motor start. Open the case and look for the place of origin. If it is the hard drive, you may have a dying HD.

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Weird Noise

by mcollins In reply to Weird Noise

The question was auto-closed by TechRepublic

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by TxTopgun In reply to Weird Noise

Most likely culprits, in this order: power supply fan (just listen at the back of the case, you can probably tell if this is it without even opening the case), hard drive (does it not start immediately when the power is turned on or wait a few seconds? When you turn it on, the hard drive wouldn't start immediately like the fans do but will take a few seconds to spin up), the CPU fan (it starts immediately when you power up but sounds deeper in the system than the power supply fan). This troubleshoots it without even pulling a screw. Good luck.

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Weird Noise

by mcollins In reply to Weird Noise

The question was auto-closed by TechRepublic

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Weird Noise

by TxITGuy In reply to Weird Noise

Aside from the suggestions everyone else made:
1. Most motherboards made during the last 3-4 years give an audible alert if:
* your CPU is overheating.
* your CPU fan speed is too slow.
* the CPU voltage varies too much from
it'sspecifications (+5V I believe).
2. Faster CD-ROM drives, especially cheap
ones, sound very much like a siren (or a
jet engine) when they are running. Most
CD-ROM drives will spin-up on boot if
you have a disk in the drive. Usually
they shut of after a few seconds of not
being accessed, but occasionally they
just keep on spinning.

I would put these fairly low as far as likelyhood goes. Most cases of number 1 don't stop after 30 seconds, and extended operation under those circumstances can do nasty things to your system, which is why they give you an audible alarm. Put simply, if it's still working, it probably (though not definitely) isn't #1.
As for number 2, I'm pretty sure you would know by now if you had a CD in the drive. However, if none of the others' suggestions work, I'd check these.

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Weird Noise

by mcollins In reply to Weird Noise

The question was auto-closed by TechRepublic

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