Irritating high pitched constant buzzing sound....

Im wondering if this has happened to anyone else and what it could be?
its just this constant reaaaaaally high buzzing-doesnt seem to be any other problems.
the sound stays if i put the computer to sleep and only goes if its fully shut down.
the buzz is driving me crazy!!!

Welcome to Discussions - which model do you have how to identify your iMac?
Do you think it might be coming fro your fans? If you have any model other than the iSight, you can open your machine and vacuum the dust out.
Let is know how you make out,
Miriam

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Are there any quiet 20" iSight iMac G5 without constant buzzing sound?

Hello all,
Some of you may know I've got my iMac G5 and it has constant buzzing sound coming from the back of the vent. My friend's going to get one and he's afraid he is going to get one with buzzing sound. I don't know if it is just me or everyone's has buzzing sound.
There is a 17" iSight iMac sitting next to me. It is very quiet, so I know how it is supposed to sound like. Since it's a 17", I am not sure if they have the same designs.
So for those who have new 20" iSight iMac G5, can you tell me whether you have the buzzing sound from you iMac or not please?
Thank you very much.

My 20" G5 iSight has a constant fan noise, could be descibed as buzzing.
Yet my wifes 17" iMac iSight is virtually silent.
I note the 20" vibrates if you touch the left side of the screen, they were all doing that in the Apple store too.
I think that maybe the fan runs faster in the 20" due to faster processor, bus, graphics card and larger hard drive.
All these will generate more heat.
On another note a friend popped round earlier and said my 20" was really quiet, so it is subjective I think.
I have very sensitive hearing, I cannot hear my new iMac over my old PoweMac G4 FW800 - that is very lound.

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It's pretty much all the time really, although when the computer is just idle it doesn't make any noise at all. So basically, whenever I do anything, it's as if the processor or motherboard or fan or something inside it is making a squeak. It's kind of a high-pitched noise that sounds like air being pushed through something. There's nothing in the vent that's for sure, it's only a week old!
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High-pitched buzzing sound

hello
i just bought a macbook pro out of an apple store today and it has a buzzing sound coming from it..
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I was so happy to get the machine, and i m so disappointed now..

Don't be disappointed you got yourself a heck of a machine to enjoy. I would return it and get it exchanged.
I have had 3 MBP and none have ever done that unless i left a cd in the MBP. Just exchange it.
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Hello Huanwei,
It appears that you can hear a "high pitched beep" coming from the notebook while it's in sleep mode or even off, when the power adapter is plugged in and "on". I will try to help you with this.
Normally, this should not happen. Beeping from a computer may happen during start up a few times to indicate components enabling, but any constant beeping or being while the computer is off shouldn't happen.
Does this occur, if the AC adapter is not connected to the notebook when it is in sleep mode or off? Do you only notices this, in a specific location? (office, etc.)
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Repeat that same test with the power adapter connected ( again no other electronics around you). Listen while it is "sleeping" and off to see if you can hear the beeping again.
If you do disconnect the AC from the notebook , but leave that connected to the wall and take the notebook out of that location, go back to see if you can hear beeps again. If you do it could be the AC adapter. If you don't then it could be an issue with that only when it's connected.
If there was no beeping when the AC was connected in this "testing location", then I would guess it is something else within the house that is beeping (we have seen that before). In which case you'd have nothing to worry about in regard to your notebook.
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Thank you for posting on the HP Forums.
I worked on behalf of HP.

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I have sensitive hearing and noticed something similar when I got my 2.5GHz liquid-cooled G5. It was a constant sound and believe it was coming from the cooling pump. Does your sound ever vary? Try running System Load and see if you can get it to vary.
-Bmer
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High pitched sound (not from the speakers)

I bough an A665 on may 21st 2011, and since day 1 ive been hearing a high pitched sound coming from the underside of the laptop (directly above the RAM slots). Sometimes its there and sometimes its not (mostly it is...). I found out that if i scroll down on a webpage the sound goes away...only to come back when im finished scrolling.
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Update.....I get my laptop back yesterday (friday) for the second time ..They said they replaced the HD with a Western digital HD because the toshiba ones seem to be having a vibration issue...Well, they put another Toshiba HD in it not the WD....The same Buzzing, staticy noise is still there and on top of it all the new HD make alot more clicking noise then the previous one....When I sent the laptop in for the second time, eveything was working fine except for the same Buzzing, staticty noise...Well Now i still get the noise and on top of all that, I can not turn off the LED lights on the keyboard which I was able to do before, I can not run any Toshiba software (IE PC Health, Eco...Etc) I get Bios errors and other errors, and some things are freezing....Spoke to them again, and now had to call the Case Manager,,and all they said is to send it back to their main repair place, not the repair depot.....I told them all i want is another new machine....getting tired going 1 month with out a laptop and all you guys are doing is guessing, replacing with out testing and sending it back and they said they can not replace it.........This is one for the books.....I should of bought the HP or Dell I saw first......to be continued.

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I'm a long-time Windows guy & I just received my replacement 17"MBP as the first one had a loose screen. I notice a high-pitched buzzing sound emanating from the upper left side of the laptop only when the power supply is plugged in. It is not very loud but the high-pitched frequency really stands out when the room is quiet. Is this normal? If I click the trackpad button, the sound goes away. I've researched this board but could not find the same situation. Tech Support says the MBP's are louder than prevous models and suggested I take it to an Apple Store (3 hoours away). Any thoughts?
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If you were to send the computer to Apple, they would do absolutely nothing to fix it. I've spoken to a product specialist on many occasions now, and they flat out refuse to acknowledge the fact that it is buggy.
I have even given the specialist many ways to eliminate the whine via software fixes (IE: Photobooth, Mirror Widget, Comic Life, Ect) and they still maintain it is 'within spec'.
What is disconcerting to me, is that if the issue is glaring people in the face (MacBook Plastic on the vents) they will openly admit to it, but if it is something they can spin as being 'spec', they will ignore it.

Do your MacBook make a high pitch beeping sound?

Just got a late 2011 MacBook pro with SSD hard drive (17 inch i7).
I have noticed an almost inaudiable high pitch 'morse code' like beeping coming from the machine. Maybe the SSD being accessed?
I do have tinnitus and have been known to become irritated from low Hz monitors and TVs in the days when they operated at 50-60 Hz. So maybe something in the machine is operating at that fequency.
It may be nearly audible, but it's driving me mad when the music is off and I'm trying to concentrate!
Does anyone else experience this?

Does the beep sound similar to this video? Skip to the 00:44 mark to hear the sound. If the sound is this one that means that your Mac is trying to update its EFI.
Would you mind recording a soundbyte? That could be really helpful. It's not possible that the sound is coming from the SSD, perhaps is your fans.
Hope that helps.
P.S. If you are too bothered you can also make an appointment at your local Apple Store Genius Bar.

Irritating high pitched constant buzzing sound....

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