my computer shuts down with a very loud noise

May 28, 2009 at 13:57:10
Specs: Windows FD Professional, 512MB
Hello!
I've been having this problem for some time and I've decided that I need help. I solved it once but this time nothing works.

Sometimes my computer shuts down with an annoying and loud noise (similar to the sound of an ambulance). I believe it's the heat this time as well because if I reopen it after some time it works again. Until it shuts down by itself again.

I have two coolers now and it pretty much lasted for a while but today it started again.

I don't know what to do to with it.

I don't think it's the dust either, I cleaned it two weeks ago.

I appreciate any help!
Thank you anticipated!


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#1
May 28, 2009 at 14:30:55
Does it sound like a siren? If so, that's your audible alarm telling you that your PC has an overheating problem (or at least it thinks it does). You should be able to check actual temperatures in the BIOS settings, and if the CPU really is overheating, you will probably need to remove the heatsink & fan from the CPU, give both surfaces a good cleaning with alcohol, and give it a fresh application of themal paste (not too much ... a drop about the size of a BB is all you'll need). Now, it's possible that your heat sensor is screwy, in which case you will want to disable it. That's what was happening to my PC shortly after I built it. I found out from the motherboard mfg (AOpen) that their thermal alarm software was flaky. After I uninstalled it, I never had the problem again. (Don't disable it unless you are sure you're not having an actual overheating issue!)

1 Corinthians 15:3-4


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#2
May 28, 2009 at 22:23:12
How do I know if it's overheating (though I have the feeling that this is the problem as it usually happens when it's hot outside) and how can I change BIOS settings?

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#3
May 29, 2009 at 13:56:24
You can't change the temperature settings themselves in the BIOS, you can check them. You may be able to change the speed of your fans in the BIOS, but that may not be the issue. My point is that if the temps in the BIOS appear to be OK, then your temp sensing software may be giving you bogus readings (like what happened to me with my motherboard), in which case I uninstalled the software. If you really are having an overheating problem, then you will need to fix the problem, starting with blowing out the dust from the case (which you have already done, and then removing the heatsink/fan from your CPU, cleaning the old thermal paste off (alcohol works fine), and re-applying a thin coat of paste (Arctic Silver, or some other thermal paste).

1 Corinthians 15:3-4


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#4
May 29, 2009 at 14:41:16
Thank you so much for all the help!

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