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 anyone with an iMac - iMac Fan Noise 
 
 
  #1 (permalink)  
Old 05-08-2006, 04:13 PM
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Hello, Im unsatisfied with the fan noise of my imac of late, and after waiting 1 month for it to be serviced, (not mentioning any names...) Its still just as bad.

Could anyone with an imac please download istat pro, and report back how hot your computer is, and what fan speed it is

http://www.apple.com/downloads/dashboard/s...s/istatpro.html

Currently my imac, sitting doing nothing at all but safari, imac isight g5 2.1ghz 20" is

temperatures

CPU 72 degrees celcius
GPU 58
Incoming Air 20
HD Temp 48
GPU Ambient 40

with fan levels of

CPU 1646rpm
Hard Drive 2209rpm
Optical Drive 1849rpm

thanks everyone
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  #2 (permalink)  
Old 05-08-2006, 04:34 PM
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Location: Hobart


Same Specs iMac, results below:

temperatures

CPU: 55 degrees celcius
GPU: 51
Incoming Air: 22
HD Temp: 43
GPU Ambient: 28

with fan levels of

CPU 1104 rpm
Hard Drive 1512 rpm
Optical Drive 1295 rpm

Hope this helps you.

your iMac defiantly isn't happy.

William
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  #3 (permalink)  
Old 05-08-2006, 04:45 PM
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grrr. nextbyte just replaced the logic board in it. what do i do. i was thinking of getting sound absorbing fabric or something
when you are playing music or whatever over the top you dont notice, but when you leave it on to download overnight very frustrating
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  #4 (permalink)  
Old 05-08-2006, 04:49 PM
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ITs still under warranty, isn't it, they should be able to fix it again.
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  #5 (permalink)  
Old 05-08-2006, 04:53 PM
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they put a new logic board in it, but they said there was nothing wrong with it.
to me its definately louder than it originally was. when it wasn't doing anything it used to be as quiet as the ibook, but now just turning it on you audibly hear the fans.. not like the vacuum cleaner fan level, but audible all the same

have you had any issues?
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  #6 (permalink)  
Old 05-08-2006, 04:58 PM
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I'm in a lab of them at my dads work, I think they had an older model at one stage that had its logic board replaced 3 or 4 times and occansionally the new ones fans go really loud but a restart normally fixes them.
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  #7 (permalink)  
Old 05-08-2006, 06:32 PM
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Location: Perth, WA


There was another thread that I posted here at ATAU about iMac Fan Noise (G5).

Have a look at how I solved it in that thread. I think it has something to do with resetting the PMU. The processed I used was for resetting the PMU on a PowerMac G5, and the process is the same for iMac's.

It may not be resetting the PMU, but the thread is here and also at discussions.apple.com.

Cheers
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  #8 (permalink)  
Old 06-08-2006, 11:32 AM
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Install MenuMeters so you can monitor your CPU usage. This will help troubleshoot heat/noise problems, since if your CPU is maxing out that WILL cause the heat problems that you have described.

Sometimes 3rd party software can go nuts in the background and max out your CPU. Just something to keep in mind.
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  #9 (permalink)  
Old 27-04-2008, 09:22 AM
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Location: Sydney


just wondering if you ever mananged to fix this fan problem...mine has just acquired it
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  #10 (permalink)  
Old 27-04-2008, 07:56 PM
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My Brother inlaw, who I recently converted, had an issue with a noisy fan on his alu iMac.
I tried putting the fans into blower mode, as per instructions at Apple's site, but did not help.

Took it a Mac service centre in Hurstville (after speaking to Apple over the phone), they had it sorted in just under a week.
From memory, they replaced the fan on the bottom left (when facing the screen), I think it might be the cpu fan?
No issues since.

In this case, the fan was making a tapping sound, so might be a different issue?
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  #11 (permalink)  
Old 27-04-2008, 08:01 PM
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iMac 24" Intel 2.4GHz

CPU 38
GPU 48

Fan speed ~1200rpm
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  #12 (permalink)  
Old 27-04-2008, 08:04 PM
It's a cruel, cruel summer

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Click the image to open in full size.

iMac 24", 2.4GHz Al. Same as Cam.
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  #13 (permalink)  
Old 27-04-2008, 08:21 PM
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Location: Sydney


iMac G5 2ghz (No iSight)
Temps
CPU 64
HDD 53

Fans
System 2081
CPU 1653
HDD 2832

Have Safari, Mail, EyeTV running
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