Using Apple products in wet, dry, hot, low- or high-pressure environments. Things like water-resistance, waterproof specifications, dust and other environmental considerations.

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iMac excessive GPU heat when using a second display

Without a monitor connected (via Thunderbolt/mDP) to my iMac (2011, 3.4 GHz, 6970M 2GB), iStat Menus reports the GPU is using ~15 watts, and has a temperature of 60c. With one connected, it uses ~35 ...
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678 views

Lion (10.7.2) — CPU heats to 90-degrees and Java apps crash — why?

MacBook Pro 15" quad-i7. Been running Lion since day one. Just started this week, Eclipse and Oracle SQL Developer crash unexpectedly, then a moment later the MacBook cooling fans kick in and the ...
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1answer
457 views

Air 11" i7 2011 fans come on, never turn off

I bought a new MBA 11" i7, it's about two weeks old. I've noticed that as soon as the fans come on, they Never turn off. If I watch a video, or do any slightly heavy lifting, the CPU hits 70C, the ...
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2answers
746 views

Transporting from home to work (~10 min by car), should I just make my MacBook Pro sleep, or shut it completely down first?

I just got a new MacBook Pro, and is looking at how the power modes work, and according to this article: About Energy Saver sleep and idle modes in Mac OS X, making it sleep by closing the lid (say) ...
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iMac running too hot?

I noticed my mid-2011 Core i5 iMac felt a bit too hot on the back. So i checked my iStat dashboard widget, Here are the temperatures: HD: 52 degrees celsius CPU: 49 Ambient: 35 GPU Diode: 55 GPU ...
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2answers
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Process “mtmfs” is using 98% of cpu, heating up the core and runing the fans flat out [duplicate]

Process "mtmfs" is using 98% of cpu, heating up the core and runing the fans flat out. I have quite the process through activity monitor, but does anyone know a longer term solution? I am running a ...
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4answers
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Macbook Pro (Early 2011) running hot with OS X Lion

I recently bought the baseline 13'' Macbook Pro with i5 CPU and Lion preinstalled. I mostly work with Firefox (without Flash), NetBeans IDE and iTerm running and the machine tends to get really hot ...
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345 views

iMac is warming

I've 22 inch iMac. I am using it about 1 year and just noticed that the top back of the screen is very hot as i can't put my hand about half a minute on it. I've googled some and downloaded istat ...
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2answers
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How can I disable visual effects in Lion?

I've just installed Lion on my 24" iMac from 2006 and do have again problems with screen-freezes due to overheating. This is a known issue with the 2006 iMacs since OSX late 10.5 / 10.6. While for ...
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6answers
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How to keep your MacBook Pro cool (unibody)

I'm a developer/system admin/unix guy so I have many IDEs/Editors/Terminals running and I'm also temperature freak... I like it cold, here are a few tips I did to keep my MacBook Pro Unibody under 46 ...
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2answers
347 views

SSD instead of DVD temperature

just installed Intel 320 instead of DVD in Macbook MC516LL. Does old DVD place is equivalent to standard HDD place in Macbook from temperature (thermal) perspective?
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1answer
611 views

MacBook Pro Heat Indicators

I just downloaded a temperature monitor app for my macbook pro. It tells me the following temperatures. I was wondering which ones I should take extra note of and what temperatures of those I should ...
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Horizontal or Vertical stand for cooling a Macbook?

I have a Macbook Pro (2010 model) that I like to connect an external monitor, keyboard, and mouse too. I like to keep the lid down, and have it running almost all the time, 24/7. There are several ...
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3answers
3k views

Way to limit CPU speed to prevent temperature spikes?

I have a 17 inch MacBook Pro with Thunderbolt. Occasionally, it heats up and the fan has to kick on. This happens typically during heavy CPU utilization, but also seemingly randomly when doing ...
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3answers
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MBP Dual core (2006) fans usage since Mac OS X update 10.6.7

Am I the only one who noticed this : since the last Mac OS X System update, the fans are quite often spinning at full speed, regardless of the activity on the computer. It happens even when there is ...
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1answer
4k views

When do the Macbook Pro fans turn on?

As a complement to this question about keeping the Mac cool so the fans don't get triggered: At what temperature does the mac turn on the fans? I know that a high CPU load can cause the fans to go ...
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1answer
805 views

How well will a MacBook Air work in a hot dusty environment

A MacBook air would work very well for me functionally. However I expect that I may have to use it in a hot and dusty environment. Any idea how badly the cooling system would be affected by prolonged ...
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3answers
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Cold temperatures cause finger resistance on iPad screen

I have an issue that I've been experiencing: semi-cold fingers, iPad, and/or room make for a very stubborn drawing experience (I'm an artist that uses the iPad). I'm talking indoors, and it doesn't ...