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Questions tagged [cooling]

Cooling, the way to lose heat.

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Should my CPU load be that high?

I have a mid-2009 13" core 2 Duo MacBook Pro running High Sierra w/ upgraded 8 Gb RAM. On Activity Monitor I usually get 20-40% 'idle CPU' with only Finder, Safari (3 tabs) and Activity Monitor ...
IanMac's user avatar
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How to investigate cooling resp. kernel_task problem

On my macbook pro 2019 I'm running into this issue, where the infamous kernel_task starts blocking my computer after a couple of hours. I know that many people are experiencing similar issues for many ...
Giraphi's user avatar
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high fan speed even w/o SSD on MacBookPro9,2 (mid-2012) MD101LL/A

It is important that I give a detailed description of the event MacBook model MacBookPro9,2 (mid-2012), MD101LL/A, Core i5, 16G RAM, SSD 500GB, bought in 2014 Used up to a week before the disaster, ...
Oscar Zarrus's user avatar
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2015 MacBook Pro 15” Cooling fans seem to be spinning in opposite direction?

I just recently placed a new battery and speakers into a 2015 15” MacBook Pro. To do this I had to take out the entire logic board. Obviously, the fans have to be in the correct position as you can ...
idkusrname126's user avatar
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Macbook Pro temp at ~90℃ while gaming, what to do?

My 2019 base MBP runs at 85-90℃ while playing the game "bad north" which is a simple game, it used to run alright in the past days (at ~60℃) Today, It keeps jumping to 85-90℃ and sometimes ...
Similari7ies's user avatar
1 vote
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MacMini 2009 fan sensor goes to zero after 1500RPM

This might be pretty obvious that the sensor is bad and I need a replacement, but this sensor is very hard to get here in Brazil, so I'm hoping there's a way to fix the RPM sensor of the MacMini Late ...
Vinícius Ferrão's user avatar
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1 answer
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Where does the cool air come from?

I found this gif/video on a blog post about the Macbook Pro 2019. It shows its cooling system. I am curious about how this works, because in the animation, cool air comes from the side, but there is ...
RA828's user avatar
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Is there a way to stop and start Macbook fans manually without reboot or sleep?

Macbook Pro 15" 2011 I've had Macs Fan Control for more than a year, and it spins my MB's fans at the max 5500-6000 rpm most of the time and I'm used to that noise because cooling is paramount. But ...
Arseny Makarov's user avatar
2 votes
2 answers
612 views

Serious Performance Problems using Expose in Catalina

Summary I am having a problem where using Expose to drag a window from one Space to another causes an enormous slowdown that looks almost comical - like the machine turns into a ouija board and load ...
Darf Nader's user avatar
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Where is the air inlet on a Mac mini (2018) for the cooling fan?

On the Mac mini (2018), where is the air inlet for cooling the innards of this computer? I have looked at the iFixit teardown. It shows the fan blowing out the broad outlet across the back of the ...
Basil Bourque's user avatar
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Why does my Macbook overheat and use so much CPU and energy when on YouTube?

For a long time now, my Macbook has been overheating and hogging my CPU. According to Activity Monitor, Google Chrome Helper is the culprit. Whenever I am browsing the web, there are usually ten ...
SamStark's user avatar
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How do I disable one fan?

My MacBook Pro has two fans, however the left one is screwed up and makes a lot of noise and scrapes against the back panel (or something like that). Is it possible to disable just one fan and leave ...
Dev's user avatar
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SMC Fan Control Causing random freezing and crashing

After experiencing crashing and freezing on 15" MacBook Pro 2017 (macOS High Sierra), I started eliminating running programs that I thought might be causing the crashing as advised by an apple support ...
Harry's user avatar
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iMac 27" Mid 2011 external monitor GPU (ODD) Fan control

I recently installed an SSD into my iMac and downloaded "Macs Fan Control" which works perfectly fine. However, when I plug in my external monitor via Thunderbolt, the GPU temperature increases for ...
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Macbook Pro overheating issue?

I don't know why, but these days my fans for some reason run throughout the day. When the fans start spinning the computer becomes extremely laggy. I have also tried running Macs Fan Control app after ...
emulen's user avatar
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Macbook pro 13 early 2011 fan starts and stops constantly

The fan on my old trusty macbook pro started to behave very strangely. It starts then stops then starts then stops and it just continues to happen. CPU gets pretty hot without any load (30-40%) - 72°C ...
user1264176's user avatar
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Macbook Pro becomes very hot after a minute or two of high CPU use

My Macbook Pro seems to become very hot after just a minute or two of high CPU usage by iCloud related processes. Is there any way to improve cooling. This happens while using my Macbook on a woden ...
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1 vote
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MBP 2017 left fan not working

I have MBP 2017 (MPXT2) bought about 3 months ago. I noticed that when it heats enough, only right fan starts blowing away hot air. On the other hand the left side is not that hot and it is probably ...
Kirill's user avatar
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How should I cool my Mac?

I was wondering if I should by a CoolerMaster X3 cooling pad for my mac. I got a Late 2011 mac which reaches temp 80 degrees C even at 720p video buffering in browser and goes bonkers if I switch it ...
Alpha Mineron's user avatar
3 votes
2 answers
4k views

How to stop throttling

How could I improve the performance of my MacBook and stop throttling? Although the CPU load is not by 100%, the CPU cores heat up to 100 degrees.
Andy's user avatar
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1 answer
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Mac Pro CPU temperature discrepancy

Before I just rush into ripping apart my machine & putting new thermal paste on the CPU heatsinks, I thought I'd try running this past Ask Different. I have a 'Franken-Mac' Pro 4,1 with the full ...
Tetsujin's user avatar
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1 vote
1 answer
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What's the most effective way to cool down a MBP 13

I have a MacBook Pro 13 retina, which I've just recently started playing Call of Duty on, and I thought if I just blasted my fans the temperature would be kept in check. However, I only checked the ...
mac_33's user avatar
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Gaming - MBP runs too hot

When I play Diablo 3 on my MBP (late 2011) the computer gets unbelievably hot. It gets to be too hot to touch near where the screen connects to the keyboard. I get the feeling like this is ...
Kellen Stuart's user avatar
2 votes
0 answers
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MacBook Pro fan running with no CPU load and computer is COLD

Under normal circumstances (not installed new programs recently; had the usual programs running) I found my MacBook Pro 13" (Early 2015) with the fans running at average speed. I always have the ...
fferri's user avatar
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2 votes
2 answers
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Cooling pad for 2015 Macbook Pro 15"?

There's a thread about the 2011 model, but it doesn't have an answer and that was a lot of technology ago. A lot of people have said that the macbook will handle it's own cooling process, but mine is ...
KyleMit's user avatar
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1 vote
6 answers
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Is SmcFanControl safe to use on 2015 MBP

My 2015 MacBook hasn't got any hotter then it normally does since I brought it. The only issue is not it is the hot weather my 2015 MBP is now making me feel hot (due to feeling the heat on my lap). ...
iProgram's user avatar
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4 votes
1 answer
3k views

How do I know my mac turns off because of overheating?

My Macbook Pro (Yosemite) early 2011 sometimes unexpectedly turns off when running heavy tasks on battery power. Is there a way to confirm this is because of overheating? Here's a part of system.log ...
Dan's user avatar
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3 votes
2 answers
4k views

How do I shut off a USB fan automatically when the Mac goes to sleep?

I have a Mac Mini 1.1 on which I updated the EFI firmware to v2.1 and installed Mac OS X 10.7 I'm wondering how I can cool the Mac with an external fan somehow. I found the internal cooling to be ...
jcmaxuser's user avatar
  • 261
3 votes
3 answers
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Is there a significant reduction in cooling fan noise level in recent MacBooks?

The MacBook Air 11'' (Mid 2012) I am currently using has a fairly loud cooling fan. It doesn't help that it's on most of the time. Are the cooling fans in more recent MacBook Airs and Retinas ...
Gabriel R.'s user avatar
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1 answer
662 views

Will running the fans at maximum rpm all the time hurt the computer?

I installed Macs Fan Control and I like to make both fans in my mac work at top RPM available all the time. The sound does not annoy me at all and I really like that the computer runs cooler. Will ...
Koray Tugay's user avatar
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13 votes
14 answers
128k views

MacBook fans are running high even under normal load

My MacBook (non-pro) Aluminum is a few years old. Lately I experience the problem that my fans are running high even with moderate usage and the body really heatens up. It did this before, but only ...
wirrbel's user avatar
  • 344
4 votes
2 answers
2k 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 ...
Steven Lu's user avatar
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1 vote
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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 ...
Eaten by a Grue's user avatar
12 votes
3 answers
85k views

Fan Control in Windows on a Retina Macbook Pro (Boot Camp)

Gaming on the rMBP under Windows 7 is a very good experience but I have noticed that unless I elevate the chassis there is a tendency for the automatically regulated fan speed to fail to engage a ...
Steven Lu's user avatar
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0 votes
1 answer
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Is there an option of liquid cooling/heatsink replacement for mid 2011 Mac Mini?

I'd like a quieter/more efficient cooling system but I don't know if there's anything out there for a Mac Mini. Any hardware options?
Sol Crenshaw's user avatar
2 votes
1 answer
2k views

What causes a Macbook Air (mid-2011) crazy CPU cooling since upgrading to Mountain Lion?

Since I upgraded to Mountain Lion, my Macbook Air 13" (Intel Core i5) has become extremely noisy. The CPU cooler starts going crazy after just 10-20 mins of internet surfing. Before I could only make ...
MartinHN's user avatar
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2 votes
0 answers
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Which cooling pad to get for Macbook pro 15 Early 2011

I am playing games on my Mac. and the machine gets red hot. I'd like to get a cooling pad for it to keep it calm. After doing a lot of searching I'm thinking of getting a CoolMaster Notepal Infinite ...
Adil Bhatty's user avatar
2 votes
4 answers
21k 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 ...
hawk's user avatar
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2 votes
3 answers
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Is it normal to hear the MacBook fans all the time even if they run at 2000rpm?

I have an early 2011 15” MBP (2.3GHz i7 8GB) and I’m annoyed about the sound of the fans. I know how a defective fan sounds, but these do no sound abnormal, but what what is abnormal is that I hear ...
sorin's user avatar
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3 votes
3 answers
1k views

How can I keep my MacBook Air's battery cool?

It seems that the best advice for battery longevity on my MacBook Air is to keep the battery cool. It doesn't have powerful fans like the MacBook Pro, so I would think that overheating is even more of ...
Senseful's user avatar
  • 24k
5 votes
5 answers
25k 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 ...
spong's user avatar
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9 votes
3 answers
11k views

How can I keep my Macbook Pro cool and avoid fan noise?

I use my MacBook pro for audio recording. With the summer coming up, the fans tend to come on more often, which can be a problem. Recording audio is fairly processor-intensive (especially when using ...
Goodbye Stack Exchange's user avatar
3 votes
2 answers
22k views

What areas of the MacBook Air should I keep clear?

According to the User's Guide of the MacBook Air, it says: Set up your MacBook Air on a stable work surface that allows for adequate air circulation under and around the computer. Do not operate ...
Senseful's user avatar
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10 votes
4 answers
4k views

Why does my MacBook Pro reach high temperatures when running?

I have my MacBook Pro sitting on my desk and it's consistently over 160 degrees. It is almost too hot to touch in some places on the casing.
longda's user avatar
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