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Windows 7: High pitch sound from computer

04 Aug 2010   #11

Windows 8.1 Pro RTM x64

As has been mentioned, some specs would be useful. The only thing that I can think of is that it could be your PSU. These do contain a transformer, although this is driven at a much higher frequency than the mains supply (which itself contributes to the regulatory stability of the unit). In some cases, this frequency is near the resonant frequency of the core of the transformer. In normal use, this doesn't cause any problems and any slight noise is drowned out by other system components (fans). However, when put under heavy load, as is the case when running some graphically-demanding games, it can become more prominent. Eventually this noise will become more and more noticeable, even when your system is idle.

My System SpecsSystem Spec
04 Aug 2010   #12

Windows 10 Pro

My System SpecsSystem Spec
04 Aug 2010   #13

Windows 7 Ultimate x64 SP1

Forget files and programs (who needs a program to know their system specs anyway???). Just fill in your specs for the computer in question in a post, like this:

Hard Drive(s)
Video Card

That should take you less than 10 seconds, and help us out quite a bit.
My System SpecsSystem Spec

04 Aug 2010   #14

Windows 7 Ultimate 64-bit, 6.1.7600 Build 7600

Thorsen, I have two computers I I have been using with Win-7, one on 32-bit (seems to work fine) and one on 64-bit (the one I'm struggling with here). I guess I should fill in the specs for this computer, and just leave a note if I'm asking about the other.

Unfortunately, we stupidly mounted the PSU upside down, meaning the label is hidden. That was my fault, but I never realized at the time that it was hiding the label - truthfully, I didn't realize at the time that there would ever be a reason to even want to know what the PSU was. My fault. I will ask my friend (who purchased the PSU) what it is, and if need be, we can take the computer apart and check the model number, and maybe simply replace it.

The computer wasn't purchased - my friend had all the components, and I bought a "Cooler Master HAF case.
Cooler Master HAF X Case Review | Hardware Secrets

Let's assume you guys have made the right guess. If so, two quick questions. First, if I get the computer into the mode where it's making this noise, is that "dangerous" to the computer? Can I leave it making the sound, while I try to figure out what is going on?

Also, is there a "graphics stress program" that will gradually check things out, and identify when/what is going wrong?
My System SpecsSystem Spec
04 Aug 2010   #15

Win7 Home Premium 64x

depending on how long ago you made the computer, you probably need to clean the dust out of the PSU.. I don't know if installing upside down can cause heat issues, but dust can and it is good to clean the psu out once and a while.
You can blow compressed air in it or you can open it up to clean it
I have cleaned them. they aren't hard to do, just disconnect it completely and then the PSU case should have a removable top and two sides.
My System SpecsSystem Spec
04 Aug 2010   #16

Windows 10 Pro

Unfortunately the answer we give you is going to be a general type answer since we don't know your system specs. I hate to say this, but this is like trying to troubleshoot a car problem over the phone with out knowing what engine the car has.


But to answer this question....

Quote   Quote: Originally Posted by mikemyers View Post
Also, is there a "graphics stress program" that will gradually check things out, and identify when/what is going wrong?
Yes, there are graphic card tests that will test the card. You may even have one built into you own graphics card software.

As a side note, that HAF X is a nice case....
My System SpecsSystem Spec
04 Aug 2010   #17

Windows 7 Enterprise (x64); Windows Server 2008 R2 (x64)

Quote   Quote: Originally Posted by chev65 View Post
This problem has been around for quite awhile. It seems that the coils on the MB vibrate when under load which causes the sound to be made. From what I read about this problem it's influenced by the power supply being used. About the only way to stop the noise is to change power supplies.

This problem has been talked about on many posts at the old EVGA forum. Apparently, the only thing that seemed to affect the noise was to use a different or higher output power supply. Sorry I can't help more but thats about all I know about this problem.

Another friend of mine has the exact same problem but he hasn't fixed it yet.
+1 Agreed. Also changing the motherboard fixes the problem as well.
My System SpecsSystem Spec
04 Aug 2010   #18

Windows 7
Video card maybe

If your video card has a fan on it (sometimes, it is not visible, behind some cover) then this could be your problem.
My System SpecsSystem Spec
04 Aug 2010   #19

Windows 7

Sorry, I have not noticed that you changed the Video card also. So forget the Video card fan. The other thing may be your hard drive. I have not seen hard drives do this lately with newer drives but I had such drives that would makes this sound.
My System SpecsSystem Spec
04 Aug 2010   #20

Windows 7 Ultimate 64-bit, 6.1.7600 Build 7600

I need to look up the hard drives to add that information, but all my other system information should now be posted. I should have done this first. Sorry.
My System SpecsSystem Spec

 High pitch sound from computer

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