Loud popping sound on left side

Recently I've noticed a loud popping noise (for some reason I'd compare it to two pennies hitting each other) coming from around my left speaker, it actually may be from the left side of the keyboard, though. The mute button doesn't silence the noise. The sound isn't constant, and will only happen if my MBP is flat. If it's at an angle, sitting on my lap, etc, it won't make the noise. I also notice it more when I'm using more heavily intensive apps like Google Earth, which makes me think it's a hard drive/heat issue.
Has anyone had a similar experience?

hi ian,
i've just updated with the recommended superdrive firmware 2.1, itunes 7.3, security update 2007-006 (universal) 1.0, mac os x update (intel) 10.4.10 and security update (quicktime 7.1.6) 1.0, and noticed (what i think could be) the same noise, but mine sounds more like a loud but dull thudding click/pop, more or less on the height of my charge cable socket.
mine is not rythmical and stops after 10 min or so.
changing the angle of the mbp doesn't make a difference
did yours start after an installed update and is it still happening?
MacBook Pro 2,2 15" Mac OS X (10.4.10)

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A Single POP Sound from Left speaker, after system heavy load.

Hello From Russia)) I bought Brand New Macbook pro 15" Late 2011 Ci7, this is incredible machine. But a month past and i started to notice a very strange behavior:
When i using mac for resource "Eating" application or processes my computer starts to Heat-this is normal.
When i close all the apps here starts interesting) I have Istat installed, so i can see what temps are in my system. Computer is cooling, and when cpu reaches 50-55 degrees (Celsium, from 80 degrees, because of heavy load) ,my left speaker produces a single loud pop sound. (like something turning of may be)
In other terms of use absolutely is fine! It is very strange and i dont know is normal or not(
Thank you very much, and sorry for my english.

That is not something I would expect. I would go to a repair facility and have it checked.
Ciao.

Macbook Pro and Beolab3 random loud popping sound

I'm using Macbook Pro and Bang & Olufsen Beolab3 speakers (powered speakers) connect using headphone output but I hear random loud popping sound. Sometimes so loud that it made me jump. It is definitely not a program generated sound. It is more like some sort of electrical interference. This could happen both while an audio is being played or just on standby. The laptop is less than a month old.
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Sounds like your Mac is all mucked up. Your recourse is an Apple store or Authorized Apple Service. You can also all AppleCare.

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macbook pro making whining sound from left side,

Time for a trip to the Apple store genius bar. I suspect that your MBP is still under warranty, so use it to your advantage.
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Everything was working beautifully then suddenly I heard a loud popping sound and the screen went black and the computer was dead. I turned everything else off, waited about thirty seconds and tried to turn it on. When I press the on button it lights up but nothing else happens.
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Hi, and a Warm Welcome to the Power Mac G5 Forum!
Well - a loud pop was the classic symptom of a blown Power Supply Unit.
Not sure which G5 you have... but if it's a "Late 2005" dual-core
http://support.apple.com/specs/powermac/PowerMac_G5_Late2005.html
then it should be fixed under this
http://www.apple.com/support/powermac/powersupply/repairextension/
If you have an earlier G5, please post again. Good Luck.

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Hello,
It seems that given your description, you will have to take your machine to a local apple service center. Only the technicians will be able to make a firm diagnosis f this particualr issue.
If i was cornered, i would say it could be several things however...such as the DC-in board, a faulty cooling fan, or even a damage/corrupt BootRom!(this is bad bad news)
Hopefully its not that serious, but i do wish you good luck in this case!
Sorry i couldnt be of more help,
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Bry

G5 made a loud popping sound

I have a 4x2.5 GHz PowerPC G5 running OS X 10.5.8. It just made a very loud pop when I touched the power button to startup. It popped & did nothing else. It's possible there was also a small spark.
I searched here & all the posts I found regarding this had dead machines. However, mine fired up when I tried it again (with a pencil eraser because I was afraid to touch it) & it appears to be working. I'm typing on it.
I looked inside and nothing appeared out of the ordinary.
Any ideas what's going on? Especially since it appears to be working ok? I'm just afraid to touch it. ;-)
Also I first posted over in "Older Hardware" can someone please remove that one? Thanks!

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Ashttp://www.xlr8yourmac.com/systems/G5_CoolantLeak_Repair/G5_CoolantLeak_Repair_p 1.html this person says, "Note that the ifixit steps call out eight T10 screws holding the CPU/LCS assembly in place. On my G5 these are 2.5mm Allen screws, so it required the tool shown in Figure 1."
Mine looks different as well. In fact, the two top and bottom screws (that it appears I'm to remove, are under the condenser and I can't even get a screwdriver on them. I think I've already taken out too many other screws. All I want to do is be able to remove the cooling unit.
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Hi-
Anyone had any experience of this?
A very common issue.
http://www.macintouch.com/readerreports/powermacg5/topic4026.html
http://www.macintouch.com/reliability/pmg5.html
http://www.blograndom.com/blog/2007/11/changing-the-power-supply-unit-on-a-power mac-g5-after-it-blows-up/
I wonder if Apple would still fix it although I think the repair thing they had ran out in January 2010?
Apple has been known to repair these machines.
It all depends on how you pursue it and to whom you talk to.
Calm, assertive, educated, polite persistence seems to pay off best

Loud popping sounds on MacBook

The problem with the popping sounds, introduced with 10.4.10 and fixed with audio update 1-2007 is back in Leopard. At least on my MacBook. Here ist the old thread regarding this topic. The symptoms are absolutely the same.
http://discussions.apple.com/thread.jspa?threadID=1005162&start=0&tstart=0
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iTUnes actually uses parts of quicktime in the background to play audio and video. Usually when people report popping sounds in itunes, its due to some conflict quicktime is having with the sound device, the software with the sound card, or other programs on the PC like plug ins.
FIrst goto your PC makers site, and download/install any sound card/ audio device updates they offer and applys to your model.
Secondly you can try going to in windows, control panel>Quicktime>Audio tab check "Safemode (Waveout only)" Hit OK and reboot the PC for the settings to take.

Who hears the audible annoying 'pop' out the left side every 5 min or so?

This is making me bonkers, since it is becoming predictible popping.
This is my 2nd unit with the same fan noise, although 3db quieter than the original which also had this popping every 4-6 minutes, but much more pronounced.
Can anyone else report this 'phenomenom' on their 20" unit also? The 17" iSight models seem a different breed and are quieter (volume of cooling box).
I have heard others with silent fan(s) and no pops, so I know it is achievable. A friend just purchased 2 of these at my suggestion, and I am envious of how quiet and popless and flawless both of his are performing.
Please spend the time to reply.
Thank you !
iMac iSight 20" - October 2005 Mac OS X (10.4.3)

No popping here with my 20" iMac (iSight). My unit is very quiet, with only faint fan noise (which is expected) audible upon close range listening. I had a mini, and although the iMac isn't that quiet, it's the quietest computer with some power I've ever owned.
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An Apple Genius looked at it in the store, and he could find nothing except that maybe it was the speaker. But the store is always so loud that I don't think you could hear a computer doing anything less than screaming.
This popping happens even with the speakers on mute, and I really do not think it is the speakers. There's no cell phone near it when this happens, and it happens anywhere, so I don't think it's interference.
It's not the hard drive as I have replaced that in the meanwhile, nor is this a hard drive sound.
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I guess I can't modify my post.... But I wanted to add this:
I don't think it's a fan hitting something as I blew those out when changing the hard drive.
Often, the volume of this popping is constant, but it's sometimes more LOUD-soft-tiny bit softer-LOUD soft-tiny bit softer. If I had to put it in numbers, I would guess 10-6-5.

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Just need to vent and express my dissatisfaction with HP as well as share my story with others who might be having similar issues.
I have seen a lot of issues on these boards regarding heating issues with peoples laptops, especially when gaming. I just had to write about my experience with HP and my HDX18.
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My fan, ports and the area around it is clean. My laptop sits up and has ventilation underneath and completely around it . Still normal running temperature on this machine is around 130F with a 0-10% load. When I do anything on it the temperature shoots up and I have seen it get over 200F. Regardless of the temperature, the laptop shuts off with a loud popping sound intermittently. Mainly when I load up or during play of World of Warcraft. Any high graphics increases the heat considerably. But regardless of the current temperature it has shut off just loading the game. I think there is some issue with the graphics card but of course any contact with HP is like hitting your head against a brick wall. I even tried to get the information on who is a certified repair center for HP (without sending it directly to HP) and the rep couldnt help. Also on a side note I did have it in to HP repair under warranty in the first few months I owned it for an audio quicklink issue. The audio was popping and adjusting itself on my screen by itself. They fixed that issue by disabling the feature all together.
If anyone has had are is having similar issues I would like to hear what you have done to try to resolve or if you have resolved the issue.
I'm at the point of purchasing a new Dell and saying goodbye to HP forever.

Here's the solution. Get your GPU reballed (not reflow). Those solder connections and solder material is crappy. It needs to be replaced with a material that can withstand the heat from the GPU without deforming.
I have a HDX18T-CTO1200. I had that problem as well. I played Starcraft II, Crysis 2, Bioshock 2, etc.. over a year ago and remember the computer would get hot. About 2-3 months ago, I started experiencing the random shutdowns. Got it reballed and received my comp about 1 week ago and no problems.

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is this thing going to explode, catch fire? it has never been opened, or anything...
please help, this was my first USB based Mac!!!

That sounds just like symptoms of Flyback Transformer (FBT) failure. A very common problem in early, tray-loading iMacs.
You can fix it yourself, if you are comfortable working around HIGH VOLTAGE. Look here - MacOpz Flyback Transformer repair.
It may be best to either a) connect an external monitor to the iMac, or b) take the hard drive out, as your data should still be safe.
Good luck,
Kyle-

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Hi, and a Warm Welcome to the Power Mac G5 Forum!
Well - a loud pop was the classic symptom of a blown Power Supply Unit.
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http://support.apple.com/specs/powermac/PowerMac_G5_Late2005.html
then it should be fixed under this
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Loud popping sound on left side

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