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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1answer
772 views

Dangers of limiting fan-speed

The situation: I work in a very quiet office using MBP Spring 2011 with an i7. The problem is that when I put an intense but short workload for a few seconds on the CPU the fans spin up heavily, ...
3
votes
1answer
2k views

My Macbook reached 100 degrees Celsius while compiling a software package, is this normal?

I don't often hear my Macbook accelerate and start heating up, but today I was installing mariadb through Homebrew and it required compiling. I have a mid-2012 15" Macbook pro with a high-resolution ...
2
votes
4answers
9k views

MacBook Pro CPU temperature is over 90 degrees while playing video

I have MacBook Pro: 13-inch, Late 2011 2.4 GHz Intel Core i5 4 GB 1333 MHz DDR3 Intel HD Graphics 3000 384MB OS X Lion 10.7.4 When it plays a video, the CPU temperature goes over 90 ...
4
votes
3answers
3k views

Get disk temperature in terminal

Is there a command I can use just to get the hard disk temperature in the terminal? Is this possible without a third party app?
0
votes
2answers
517 views

Temperature different of adapter since Mountain Lion (maybe only rMBP related)

Since I've got ML (Mountain Lion) installed, I've got the feeling that my adapter (Magsafe-2) is not getting as hot as before? Since this is my first Macbook, I really wasn't familiar with the ...
4
votes
3answers
14k views

Should I be worried about 98°C CPU temperature on MacbookAir?

I'm a developer and often times I need to compile some packages or maybe even run some codes for couple of hours. Recently I have noticed that whenever I use Homebrew to install something, it ...
0
votes
1answer
928 views

GPU temperature is above 70 C, and CPU fan is above 2400 rpm

I've had my iMac for two years now. I play a lot of games and watch a lot of HD videos. In the past week, the computer has gotten a lot hotter than usual and it stutters a lot, and I feel like the two ...
4
votes
5answers
24k views

What are the maximum temperatures for my MacBook Pro?

I have this MacBook Pro (3,1). I know there are maximum temperatures at which the system will shut itself down in order to prevent damage. I know this because I have seen it happen a couple of times ...
2
votes
1answer
2k views

What are safe CPU temperatures ranges under heavy load in the unibody Macbook Pro?

I noticed that under heavy CPU load, the temperature differences between the CPU and CPU heatsink are very high: picture from iStatPro; 2.0 GHz quad-core i7 (2635QM) Sandy Bridge; Macbook Pro 8.2 ...
20
votes
3answers
29k views

Can I get the CPU temperature and fan speed from the command line in OS X?

Is there a command I can run from the command line in OS X to get the current CPU temperature and/or the fan speed(s)? To be more specific, I'd like to be able to get the same info available in the ...
0
votes
1answer
158 views

Set MacBook Pro on energy saving mode

I have a 2008 MacBook Pro (last one before the unibody ones) and have been monitoring a the laptop temperatures for almost a day. I used Temperature Monitor to graph the changes in temp and correlate ...
0
votes
1answer
446 views

Macbook Pro just started overheating and losing frame rate

It's strange because I've had Diablo III for a couple weeks now and I've been able to play it just fine without any performance problems. Starting today though, I've experienced some serious ...
2
votes
4answers
8k views

MacBook Pro GPU Diode over 100 degrees Celsius hot?

I was playing Trine 2 yesterday and checked the inside temperatures with iStat Pro after playing. It showed the GPU Diode at being 107°C hot. Is that bad for the GPU Diode or other components inside ...
2
votes
1answer
1k views

Is it safe to work with MacBook Pro lid closed?

My MacBook Pro (8,3) often gets fairly hot (see current sensor readings here: http://pastebin.com/2rj7GGAJ) even when it isn't closed. I'm about to purchase a DualHead2Go (or a TripleHead2Go) so I can ...
9
votes
3answers
2k views

Is it okay to stack an Airport Extreme on top of a Mac mini?

Is it ok to place an AirPort Extreme base station on top of a Mac mini, or could this cause problems (like overheating or interference) with either device? As depicted, they do fit together pretty ...
3
votes
1answer
223 views

MacBook Air wrong fan reading

My Macbook Air (Summer 2011, i7) tends to think it's running way hotter than it is, and permanently ramps up the fan. Closing the computer and reopening resets the mistaken sensor, but I'd rather not ...
10
votes
8answers
1k views

How significant is the new iPad's heat issue?

I've heard a fair bit about problems with the new iPad "overheating". However the details seem a bit shaky. Is the increase in heat noticeable? Is it only when playing games and watching videos, or ...
1
vote
6answers
39k views

How to debug iPhone overheating when the cause is clearly not the environment when the phone is used?

My iPhone 4s with iOS 5.1 started to present overheating very often: 2-4 times a day and this happened while the outside temperature is only around 18-20C and the phone was not under heavy use, in ...
3
votes
2answers
776 views

OSX able to throttle down CPU on heavy usage?

I have a company macbook with a 4 core 2,8Ghz i7 (to much power for a "laptop" if you ask me, whatever). Sadly the cooler seems not to be able to handle 100% cpu usage. Sometimes filevault stresses ...
2
votes
3answers
2k views

How can I find what is making my Mac run hotter and causing the fans to run more often?

My Macbook Pro's fans are running louder. I've also noticed that the average internal temperature is significantly higher. (187°F as I write this.) This didn't used to happen unless I was running ...
2
votes
1answer
2k views

How hot is it normal for a 45 watt MagSafe Adapter to get during use?

I have a Mid-2011 MacBook Air (13"). Recently, the 45 watt MagSafe Adapter grew extremely hot (painful to touch) and smelled slightly singed while I was using the machine and plugged into the wall. It ...
1
vote
2answers
2k views

What's the normal operating temperature for a unibody plastic Macbook?

My Macbook seems to be running pretty hot lately. iStat Pro is stating that my CPU temp is nearing 180 degrees F, and that the heatsink is approaching 150. The laptop is noticeably warmer than ...
2
votes
2answers
804 views

What part of the MacBook Pro 13-inch 2.4 GHZ (Mid 2010) logic board is what sensor?

My MacBook Pro 13-inch 2.4 GHZ (Mid 2010) starts up normally but after approximately one minute the fan accelerates and the system slows down dramatically. The CPU load goes up to 99% as I see it on ...
3
votes
3answers
732 views

Macbook Pro random shutdown

Has anyone experienced this problem? Does anyone have a solution? I have scoured the internets for solutions and found many different answers. I am on a Macbook Pro 6,1. The one that has worked for me ...
0
votes
2answers
458 views

Is my USB drive broken, or is it my MacBook?

I have a Kingston DataTraveler 108, which is recognized by any computer I plug it into. When I try copying files to it on my MacBook, it is sometimes suddenly ejected. I've had the same problem ...
1
vote
3answers
2k views

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 ...
0
votes
2answers
647 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 ...
5
votes
1answer
438 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 ...
1
vote
2answers
423 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) ...
0
votes
2answers
1k views

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 ...
3
votes
2answers
3k views

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 ...
2
votes
4answers
3k views

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 ...
1
vote
1answer
334 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 ...
2
votes
2answers
3k views

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 ...
3
votes
6answers
56k views

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 ...
3
votes
2answers
338 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?
2
votes
1answer
509 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 ...
4
votes
5answers
4k views

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 ...
3
votes
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 ...
0
votes
3answers
145 views

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 ...
0
votes
1answer
3k 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 ...
0
votes
1answer
711 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 ...
3
votes
3answers
2k views

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 ...