Various computer hardware components give off heat and can cause overheating

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Flash higher CPU usage under OS X than Ubuntu?

I recently installed Ubuntu 13.10 on a 2011 late Macbook pro. With the same version chrome and pepper flash plugin and flashblock extension to block irrevalent flash. When I watch some flash video ...
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5answers
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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 ...
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1answer
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iMac HDD fan running full speed. What is wrong?

My iMac (27" Mid-2010) and the HDD fan is spinning full speed with a measured HDD temperature of 50 °C. I have removed the dust and dirt from inside and it is pretty clean. Nevertheless even when at ...
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1answer
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MacBook Pro, Thunderbolt Display and overheating

I recently purchased a Thunderbolt Display to use with my Late 2011 MacBook Pro 13-inch. I was quite happy with the overall performance until I noticed that the only fan in the laptop started running ...
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1answer
53 views

Are these temperatures alright?

I have bought a new macbook pro retina 15(the latest 2014 model) with dedicated graphic card couple of days ago, and not ever having a mac before, it feels extremely hot to me. I've installed istats ...
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0answers
20 views

Are the temperatures that I'm seeing normal? [duplicate]

I bought a new mid-2014 15" Macbook Pro, and noticed some interesting temperatures in iStats. The idle temperature seems to be around 50 degrees celcius with an ambient temperature of approximately 30 ...
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1answer
37 views

How many fans does a MBP 13" late 2013 have?

I was wondering how many fans a MBP 13" retina from late 2013 has, since I downloaded iStat Menus to check for internal temperatures because I thought my mbp was running fairly hot... Now in the menu ...
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1answer
222 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 ...
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3answers
1k views

Macbook Pro 15 mid 2012 - not able to solve overheating

I've been trying to solve my overheating problem for quite a long time, but had no luck, so I will try to describe it to you and hopefully, someone can come up with some solution. I've also read ...
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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 ...
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3answers
1k views

Is it normal for a 15 inch rMBP to get extremely hot during use?

Sometimes when editing images, creating websites, using Adobe software, my Retina Macbook Pro, seems to get very, very hot. Not just on the bottom but on the top by the screen as well. To be more ...
2
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1answer
47 views

Temperature logger compatible with Mac?

I'd like to measure the temperature in my fridge over a few days and graph the results, since I think the fridge may be starting to fail. So I'm looking for a cheap device which can run independently ...
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3answers
27k 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 ...
2
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1answer
551 views

Is there a way to control the clock speed of the GT 650M GPU in a Retina Macbook Pro from OS X?

This is not about gaming performance. I've got that all sorted when booting into Windows. This is a 2012 version rMBP. The question is about trying to gain a little more control over the hardware ...
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3answers
4k views

Mac OS X 10.8 QuickLook Causing CPU & Temperature Spikes

I have consistently been having a problem with my computer overheating due to random processes using 100%+ CPU. Commonly the problem occurs with the process QuickLookSatellite-general, but it is not ...
2
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2answers
775 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 ...
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1answer
2k views

Monitor GPU performance on OSX

Is there an application or tool that can monitor GPU performance on OS X? Specifically I would like to see the current speed/utilization and temperature of the integrated NVIDIA chip. For Windows, ...
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1answer
45 views

Normal operating temperatures and fan speeds for mid-2006 iMac?

I have an aging, but still functional mid-2006 iMac at home. Last night, my wife was in the basement and said she smelled a faint odor of something burning, she said it smelled like it might be ...
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4answers
3k views

Fan Speed and Temperature on MBP Retina 13 2013

I have a 13 inch MacBook Pro retina (bought new in 2013). When running normally (which is usually online downloading and editing in Eclipse - nothing too heavy, often 90%+ processor idle) it runs ...
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1answer
148 views

Normal Fan Speed for an early 2011 MacBook Pro

I have an early 2011 Macbook Pro and I noticed today, strangely for the first time, that the fan(s) are always running and audible. I have to admit that I usually have some background noise when using ...
4
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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 ...
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0answers
312 views

2012 Macbook Pro (Retina) Heat Issues

I have a mid-2012 Retina Pro (loaded: 16GB RAM, 768GB SSD, etc.), with annoying heat issues. Whenever I'm doing anything GPU-intensive (games or CUDA simulations), after about 30 minutes, the ...
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3answers
62 views

Macbook2,1 late 2006 fan not spinning

My macbook is very hot, the fan never starts. I tried some softwares like Fan Control 1.2, scmfancontrol 2.4 and Macs Fan Control but each of them is giving me always 0 rpm on the main (right) fan… ...
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1answer
289 views

MacBook Air hot after sleeping

I am experiencing strange issue with my MacBook Air (2011, with Mavericks): I don't like to turn off my machine, so I usually just close the lid and put my laptop to backpack before I go to sleep I ...
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1answer
119 views

How to measure GPu temperature MBP 13 mid-2010?

My question is very simple. I have some troubles with my MBP 13' mid-2010 (kernels panics, crashs and reboots). I think the problem is coming from the GPU (Nividia 320m). One solution could be to ...
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4answers
8k 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 ...
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1answer
67 views

Mac Overheating Problems and Fan Noise

I have a old MB, which has Snow Leopard 10.6 Installed onto it. How can I fix the overheating and that fan noise? Whenever i open a large file or like install Windows 7 from Bootcamp, it would ...
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2answers
976 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 ...
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1answer
247 views

Mac mini 2011 mid - temperature issue

I have a mid-2011 Mac mini with an Intel i5 2.3 GHz processor. When I checked the temperature, it was 90 degrees Celcius. The computer was running for three days. It didn’t work on anything. Is this ...
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1answer
476 views

Retina Macbook Pro 15'' overheating?

I got this RMBP mid 2012. I am now noticing overheating problems when I browse the internet + about 15 tabs of youtube open, mainly music. I also notice that my battery quickly depletes during this ...
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0answers
82 views

Why is my MBPr so hot when 2 external displays are connected?

MacBook Pro Retina, 15-inch, Late 2013 Processor 2,3 GHz Intel Core i7 Memory 16 GB 1600 MHz DDR3 Graphics NVIDIA GeForce GT 750M 2048 MB Software OS X 10.9 Built-in Retina Display 15-inch (2880 ...
0
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1answer
134 views

Is there a way to view and control the powerstate of the discrete GPU on a 2011 MBP in OSX?

I noticed that running with the discrete GPU uses more power and generates more heat. I just need the discrete GPU to drive an external monitor, I'm not concerned about performance. By controling the ...
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1answer
78 views

Normal Temparature of a Macbook Pro

I received my Macbook Pro yesterday. I would like to know what is the normal temperature of a Macbook Pro. Here is mine is this okay ?
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3answers
669 views

Why is my MacBook getting hotter than usual since some time?

Since some time my MacBook is constantly hotter than it used to be, even when not having much CPU load. What could the cause be? Resetting the System Management Controller (SMC) didn't completely ...
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2answers
625 views

Is there any way to ignore a heat sensor on a macbook pro?

I recently replaced the ribbon cable which connects the top case assembly on my macbook pro 4,1 (early 2008). My keyboard is now working but unfortunately the fans are reving up to 6000 rpms and ...
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votes
3answers
102 views

6000RPM all the time with no activity - restart helped

I'm on Mountain Lion and for two days my fan RPM was 6000 and the temperature was 92C. I decided to restart and now it's 3300 RPM at 68C. How come? Is this some kind of bug? I remember having ...
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1answer
125 views

Sudden spike in CPU temperatures

My Macbook Pro 13" early 2011 has been running fairly cool for the last 4 months, about an average of 32-40C. However, within the last few days, the average temp has gone to an average of 45 - 52C, ...
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2answers
3k views

Macbook Pro Retina 15'' - High CPU temperature

I've seen a few similar questions on here but none seem to have a good answer, nor seeing the temperature levels I'm seeing. Notebook is only a month old and just installed iStat Menus and noticed ...
0
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0answers
59 views

Is it true that Mac Air fan sleeps almost all time?

Hmm, while I was typing this question's title, some related questions appeared: air-11-i7-2011-fans-come-on-never-turn-off ...
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6answers
37k 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 ...
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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?
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2answers
306 views

6000 RPM at 65C

For a few days I'm noticing the fans spinning wildly and the CPU temperature is around 65C.. I'm only doing normal browsing and the fans are at 6000RPM. Quite strange. I have MacBook Pro mid 2010 ...
0
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1answer
518 views

Mac getting very hot while watching flash

I'm running OSX 10.7.5 on my Mac computer (desktop, not laptop). I have just been watching some Starcraft 2 stream from Dreamhack (in flash) when I noticed my computer was getting pretty hot. I ...
1
vote
0answers
326 views

iPhone 4S chip overheating after replacing screen

I just bought a used iPhone 4S with cracked screen, and installed a new lcd with gold frame. Just after putting the phone together it starts overheating. I have not installed any apps since recovery ...
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 ...
0
votes
2answers
131 views

Macbook Pro Mid-2012, ethernet heating

I am a Mac newbie and I have a new 13" Macbook Pro. I used the Ethernet connection for wired Internet in my dorm room, but after using it for half an hour or so, the Ethernet port and the area nearby ...
0
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1answer
151 views

Macbook Pro 2011 Heat Problems

This is more a general enquiry into whether I should be concerned, but I have a 2011 Macbook Pro 13" and over the last week and a half I have noticed the left side of the case (power point, QWE keys ...
0
votes
1answer
277 views

How many fans does a 2.26 GHz 15" 2009 MacBook Pro 5,5 have?

I have a 15" MacBook Pro 2.26 GHz purchased in late 2009, model "MacBookPro5,5". The FanControl PrefPane reports Right Fan: -1 RPM Does this model only have one fan, or does it have two?
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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 ...
4
votes
1answer
4k views

Macbook Pro Retina 15" nearly burning my fingers, is this normal?

A few months ago I bought the new Macbook Pro Retina 15" with a 2.7GHz I7 cpu. So far it's been working fine, but as soon as just 1 of the cpu cores is at 100% the thing heats up like crazy. Heating ...