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94811 Views 467 Replies Latest reply: Jan 11, 2011 11:45 AM by brian_cooney
Currently Being ModeratedDec 7, 2009 11:04 AM (in response to Nikboard)Hey, Nic ... way to go. Really happy for you and hope more and more of your friends join the Apple Core.
As I posted earlier I'm due Wednesday am at 10:30. Hoping that will be as good for me. will be fun to change the Model shown below fro the 20 to the 21½. Decided against the 27 .. will add a small separate monitor for reading manuals and "how to" articles.
EdiMac G5 (20" camera), Macbook intel 2.1: both 2.5G mem, Mac OS X (10.6.1), Epson 4490 Scanner, HP 7460 printer, Airport Extreme
Currently Being ModeratedDec 8, 2009 9:09 PM (in response to derbyStar16)Since I know many of you are having problems with your new iMac, I want to reassure potential buyers that not all machines are problematic.
I recently received a new 21.5" iMac and have had no problems. I don't hear any noise from the screen what so ever. I have no dead pixels and my Magic Mouse works great. I've connected the monitor to my 60" TV and it looks fantastic.
I hope all of you that are experiencing problem keep the faith and work with Apple to resolve your issues.iMac (Late 2009) 21.5-inch: 3.06GHz, Mac OS X (10.6.2)
Currently Being ModeratedDec 9, 2009 4:15 AM (in response to Christian Super)When you lower the brightness to about half, and move your head around the screen, you don't get a whistle?
Also, what build week is yours? You can tell by the 4th and 5th characters in the serial number. Mine is build week 44 (W8944)iMac 21.5'', Mac OS X (10.6.2)
Currently Being ModeratedDec 9, 2009 5:53 AM (in response to Christian Super)Hey Christian ... thanks for the post. Mine arrived yesterday morning and am working out my transfer plans for the move today. They had given me date of Dec. 10th which was ok and gave me time to get some other stuff cleaned up. ut, left Shanghai 12-06 early in the morning > Japan > Louisville > Pensacola at our home: 8:30 AM 12-08. WOW!!
Will also post report when up and operating.iMac G5 (20" camera), Macbook intel 2.1: both 2.5G mem, Mac OS X (10.6.1), Epson 4490 Scanner, HP 7460 printer, Airport Extreme
Currently Being ModeratedDec 9, 2009 4:20 PM (in response to derbyStar16)Hi Folks,
I received my 21.5" iMac on wednesday this week and sure enough it has all the bells and "whistles". I will not be returning the Mac for the following reason:
When running Windows the whistle disappears... Thats right, if I hold down alt so I can choose which OS to load I here the distinct whistle however as soon as windows begins to load the whistle disappears. I can run windows for hours without trouble - when I restart into Snow Leopard I here the distinct whistle again.
This leads me to believe that the OS is at fault as windows does not have any accompanying whistle. I am confident that Apple will release a fix once the engineers acknowledge a fault.
Thats my opinion and I hope it is not a repeat of information already received.iMac 21.5", Mac OS X (10.6.2), Windows 7 Professional
Currently Being ModeratedDec 9, 2009 10:49 PM (in response to MattCrellin)Hi guys
For the same whistling noise, I got my third imac 21.5" and it does not make that brain piercing noise any more.
I was starting to think all imacs had the noise but I finally got the one which doesn't.imac 21.5", Mac OS X (10.6.2)
Currently Being ModeratedDec 10, 2009 3:10 AM (in response to dondekman)I've been using my replacement iMac for a few days now and it still has the high-pitch whistle when the brightness is in the middle, although it is not as loud as the previous iMac (which was headache-inducing!) so I think I'm going to keep it as it is otherwise perfect and I'm not convinced that another replacement will be any better.iMac G5 1.5GB, Mac OS X (10.4.11)
Currently Being ModeratedDec 10, 2009 1:35 PM (in response to dondekman)Hi everybody,
just received my new iMac 21.5" and it also has this very annoying high pitched whistle (like old CRT TVs).
Serial W8949, hence made in Shanghai in week 49, if I'm not wrong.
Differently from what others have experienced, changing brightness from min to max doesn't affect noise volume nor frequency.
Since everyone here has a slightly different problem (and we all have different ears, which makes things even more difficult to compare) I have done a few experiments, and noticed that:
1. At boot up, noise shows up briefly then disappears (simultaneous to and same duration of the "Apple chord").
2. Once booted, the machine is silent, but any of the following actions trigger the noise:
- remove one icon from the dock (starts when releasing the mouse button)
- play a song from a CD (starts when pressing play on iTunes)
- play a video from DVD (starts when pressing play on DVD Player))
- play a song from file (starts when clicking on the file)
- taking a picture from PhotoBooth (starts when pressing the shutter button)
- ... and probably many others ...
3. In all above cases, noise stops by itself after about 30" (or by putting the machine to sleep) which makes me think it might be a matter of fans (CPU/GPU), but this is only a guess, I'm not an electronic technician.
Tomorrow I'm going to try to have my iMac replaced at an Apple Store, but only if they allow me to check the new one on the spot, because having another one sent from abroad seems to me too risky, having heard (in this thread only!) people experiencing problems like yellowish screens, dead pixels and of course noise, even after multiple replacements.iMac 21.5" (Late 2009) 3.06 GHz, 4GB RAM, 500 GB HD, NVIDIA GeForce 9400, Mac OS X (10.6.2)
Currently Being ModeratedDec 10, 2009 7:46 PM (in response to PaoloS)So I'm on my 2nd i5 now. Have had it since 11/30/09, puchased it in my local Apple Store.
Today I called AppleCare because the high pitched whiney noise you get when reducing the brightness below 100% is finally to the point where I'm tired of it and it's fatiguing. Tried the usual suggestions of resetting PRAM, SMC, and running AHT (which ran to completion).
This is the second one I've had that does this.
The AppleCare rep assured me that they would support me if the uncooperative store manager insists on the 10% open box fee, esp. since I'm within the first 14 days, that I'm to call them directly if I get any push back.
Quote from the rep: "I've never heard of anyone getting zinged with a restocking fee in the first 14 days."
Time will tell how well this works out.
Other than the high pitched whine, which is a show stopper for me, the only other issue I have is the strange moire/dithering effect on the top part of the screen, which I could probably live with were it not for the whiney noise...
I'll wait a few weeks or so before I get back in these quad core iMac waters; they're still way too choppy and filled with dangers...iMac 27" Core i5, Mac OS X (10.6.2)
Currently Being ModeratedDec 11, 2009 1:59 AM (in response to MattCrellin)Yep, noticed the same thing.
Just got a call from Apple tech who says Apple unofficially acknowledge the problem exist and are working on a software fix.
I don't hear a thing under Windows.iMac 21.5, Mac OS X (10.6.2)
Currently Being ModeratedDec 11, 2009 4:59 AM (in response to mazstar1980)I do hear it under Windows but at different brightness levels. In OS X, the lowest and highest settings produce no sound while the middle levels are where they kick in.
In Windows the top 4 settings don't produce the whistle but every setting below it does.
I'm wondering if this suggests that the video card is the culprit. I'm encouraged by the last post that said Apple is working on a software fix.
Did they say anything else about the software fix?iMac 21.5'', Mac OS X (10.6.2)
Currently Being ModeratedDec 11, 2009 5:43 AM (in response to derbyStar16)I stand corrected... I checked my windows install again and it has the whistle.
Contacted apple about this and spoke to a glorified apple representative (Product Specialist).
He had not heard of the issue and advised I go out and buy a 27" imac and not to buy the 21.5" mac. Thats supporting Apple right? Anyway I don't think a software fix is likely and I hate to say it but I'm thinking of using a Hackintosh instead.. I love my Macbook Pro, iPhone but this iMac has really deflated my faith in apple and it's quality standards.
Steer Clear.iMac 21.5", Mac OS X (10.6.2), Windows 7 Professional
Currently Being ModeratedDec 11, 2009 7:55 AM (in response to wesleyh84)Hi outthere,
you are not alone!
Two days ago i recieved my new iMac 21.5" in the standard 1TB configuration. And yes, there is a high-frequent noise f*ing up my ears.
Production Week: 48
The sound is away at full display brightness, and gets louder around 50-70% of brightness. In my opinion this noise is not fixable with a new firmware oder any other software solution. This is definitively a hardware problem.
Apple will replace the device. I'll give them a chance, maybe the problem is fixed in another device. *Apple Support and my local dealer said, that they haven't heard about the problem.* That is hard to believe.
Let's wait for another iMac.iMac
Currently Being ModeratedDec 11, 2009 8:18 AM (in response to wesleyh84)
Here's another unofficial website attempting to record the new iMac's problems : http://imac.squeaked.comiMac G5 1,6 GHz (no more 21,5 iMac after refund), Mac OS X (10.5.6)