Questions tagged [temperature]

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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MacBook Pro Fans Won't Turn On

I just bought a refurbished Macbook Pro (Retina, early 2013). It seems to be overheating and shutting down without the fans ever coming on. I first noticed the problem while trying to download a game. ...
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Overheating Macbook Pro

I am trying to diagnose an overheating Macbook Pro. When starting up some resource-intensive software, it shows spikes in frequency or temperature. Are the spikes of frequency above the 2.8Ghz of the ...
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Is 65 celsius temperature on a MacBook Pro 2017 okay?

My 2017 MacBook Pro 15" gets really hot when it's connected to an external monitor. The temperature reaches 65 Celcius, and I am wondering if this is considered an okay temperature? If it is not what ...
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CPU frequency very low during high disk I/O and more aggressive fan policy

model: MacBook Pro 15-inch 2018 macOS: Mojave 10.14.5 CPU: Intel i7-8850H Recently, I've observed a significant slow-down of the macOS during high disk I/O. Sometimes the CPU frequency would be ...
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Are these temperatures normal?

I have a 13-inch, Mid 2012 Macbook Pro that constantly overheats. Normally, the only app I will be using will be Google Chrome and I will still experience these temperatures. But occasionally I use ...
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MacBook thinks it's overheating when it isn't?

I have a MacBook (oldish late 2012 retina 13") that seems to exhibit classic overheating symptoms, except that it isn't hot. Under load it tends to shut down after a while, can be turned back on ...
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203 views

My MacBook Pro 15 2018 is too hot

I bought a 15'' MacBook Pro a few days ago and it gets too hot under load. Idle temperatures are about 40-50 degrees light use 60 degrees but opening a light game like league of legends will set the ...
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1answer
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Do the MacBook Pro (15-inch, 2018) have different cooling systems depending on the GPU

I read here that the thermal throttling of the i7 and i9 on the latest MBP (2018, 15-inch) can be significant. I also got information that the cooling system is different when the MBP is upgraded ...
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iCloud (re)uploading all my documents again

I have recently bought a new Macbook Pro 13" (i7, 16GB) and to do the switch from the old one to this one, I have installed Mojave and restored it from my other Macbook Pro's Time Machine backup. This ...
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1answer
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Can I check if the cooling system of my Macbook Pro 15" Early 2013 works as intended?

I have this model: MacBook Pro "Core i7" 2.7 15" Early 2013 2.7 GHz Core i7 (I7-3740QM) Intro. February 13, 2013 Disc. October 22, 2013 Order ME665LL/A Model A1398 (EMC 2673) Recently ...
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1answer
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cpu clock too low / force cpu clock / overclock

I have a MacBook from a few years back. When I use it write some code and browse the internet, the fans go very fast and the noise is horrible. But the temp shows only 70 C. So I used SMC to force ...
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Adjusting graphics cards settings in Mojoave to reduce overheating with external monitor (MacBookPro2018) [duplicate]

It seems common for MacBookPros2018 overheating when connected to external display (see other info about the general problem here, or here). Despite there is no risk for HW, it's quite uncomfortable ...
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Early 2011 MacBook Pro: High Sierra post dGPU bypass fix: Reverts on reboot and temperature handling problems

Hello all and thank in advance! I have followed LangLangC’s process in GPU problem - Boot Hangs on Grey Screen which was seemed a miracle after Apple said my graphics card was fried and there was ...
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Does a 2017/8 MacBook, with 2nd display, remain at a scorching 90C if raised on a stand?

The reports are disconcerting . If one uses a 2017 or 2018 MacBook (Pro) as a dual-purpose machine, with an external larger monitor at home, and on its own on the road, then a temperature of 90C is ...
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1answer
232 views

Does an iPhone battery drain faster in cold?

I have an iPhone SE and I have noticed the battery drainage is quicker when outside and in the winter. I have heard some websites and people say that batteries drain faster in cold. Is this true? I ...
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SMC sensors failure while running on battery

I have problem with SMC in MacBook Air 2016. While running on battery, data from SMC module freezes. In iStat Menus temperatures from sensors, RPMs, current meters and voltage meters from CPU aren't ...
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Macbook pro 2018 with Mojave overheating when connected to external monitor

I'm on a MacBook Pro (15-inch, 2018) with Mojave 10.14.1. When I connect MBP to a external displays (either via HDMI or via Thunderbolt 2 adapters), the temperature raises sensibly (i.e., CPU ...
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127 views

CPU cores have a temperature near 80 °C and then the fan starts to work. Can it be dangerous? (not for Core) [duplicate]

I have the same question, but about Core. This one I want to ask whether such a temperature is dangerous for other Components, then Core? I have read some advices to adjust Fan Speed, cause if you ...
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1answer
1k views

MacBook Pro (2018) Overheating issues (Latest Mojave)

I recently bought the Macbook Pro (2018) base model with the following specs - 2.2 Ghz 6 core i7 16 GB RAM 256 GB SSD Radeon Pro 555X 4096 MB Intel UHD Graphics 630 1536 MB Mojave but this problem ...
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1answer
322 views

Kernel CPU usage shows more than 100%, temperature low, fan speed high [duplicate]

The activity monitor is showing strange things, like kernel CPU % usage being way above 100%, between 200% - 1.000%. At the same time the cooling fan is running at max speed and the CPU temperature ...
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532 views

2017 MacBook Pro normal idle temperatures and fan speeds?

I have a 2017 MacBook Pro that feels somewhat warm to touch, even when there is little load on the CPU. Even when the CPU is ~95% idle (according to Activity Monitor), Macs Fan Control is reporting ...
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181 views

Bottom Skin and Platform Controller Hub temperature sensors missing

I reapplied the thermal paste on my early 2011 13" MacBook Pro according to iFixit. In the process the Airport/Bluetooth cable connector came unglued and is stuck in the socket. I can't get it out. ...
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1answer
277 views

CPU speed of the Macbook Pro Retina downclocked

I've a MacBook Pro 15" late 2013. For a long time I have encoded videos with handbrake and the CPU was very hot for hours. The clock speed was about 2.8GHz (I have the 2.3GHz model) and the ...
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MacBook Pro 2011 having problems with sleeping and screen brightness after removing GPU drivers (it had failed)?

My MacBook Pro 2011 GPU has failed earlier last week, I had to remove the GPU drivers to get it to work again. After doing so, it either doesn't sleep at all (when closing the lid), or it goes to ...
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1answer
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Remove (or throttle) fan on eMac

I'm replacing the HDD with a SSD on an eMac (1 GHz). I get a headache from the loud fan noise. A friend who does hardware repairs said the fan is there mainly because of the HDD, so I should then be ...
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1k views

Mac fan speeds really high

I am using istats to see the speed of my fans: I ran a diagnostic by holding down d during a restart and it came up without any errors. I've also reset pram and the readings are still really high. Is ...
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1answer
4k views

Macbook Pro 2017 Heating Issue while running Windows 10 on Bootcamp

Im new to the Mac Environment.I have got the Macbook for some development purpose.I have completed my work on Xcode and moving on to windows.The main Platform for which i work is Windows,so i have ...
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2answers
803 views

iPhone X - Temperature Problem

I believe I may have a temperature problem with my iPhone X. My iPhone gets extremely warm when using Snapchat. Even up to 92 degrees Fahrenheit! Snapchat is not the only app that causes this behavior....
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1answer
292 views

nVidia GPU Disable hack via NVRAM, any software way to power-off the chip?

Following this guide and substituting GeForce for AMD, I've been able to get my mid-2012 MacBook Pro Retina functional again, albeit without the advantages of the discrete GPU (background: original ...
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1answer
347 views

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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1answer
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Latest max spec MBP15" idle temperatures

Please take a look at my thread with all the tests and troubleshooting done on Adobe's forum: https://forums.adobe.com/thread/2464657 Also, the screenshot while writing this post - Safari's 17 tabs, ...
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2answers
893 views

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 ...
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1answer
4k views

Are these normal temperatures?

I just got a new MacBook Pro 2017 128GB no-touchbar, bought it in the refurb. I'm doing a bit of Photoshop ( I know it's not the best MBP, but I really need it right now for work ) and I have Safari (...
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717 views

MacBook Pro 15" 2015 CPU throttles down to 0.8 GHz

My MPB has had this problem for years every time the ambient temperature gets a bit warmer. It starts in the spring and gets ridiculous during the summer. The MBP clocks down its processor to 0.8 GHz,...
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2answers
2k views

High CPU and GPU temperature, high fan speed, low activity

Macbook Pro early 2011 model - 13" - running El Capitan. I've been seeing other people reporting this left and right and mostly they don't look at the activity monitor first. I can say I have and my ...
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1answer
426 views

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 ...
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4answers
6k views

Macbook pro 13" - 2017 - heating issues when connected to external monitor

My question is about chassis temperature and overheating issues. I have a recently bought a Macbook pro 13" - 2017 with two thunderbolt 3 ports. The notebook is performing fine, but when it is ...
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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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3k views

MacBook Air Display Color Temperature Changes After Logging In

Since I can remember, my MacBook Air's Display has been behaving strangely. Every time I log in, the color temperature of the display changes to a warmer tone and it's very noticeable and annoying. I ...
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systemd is using >150% CPU

I'm not sure what's causing it, but suddenly the systemd process just started using about 150% CPU (according to my iStat menu). I checked in Activity Monitor and it said the same. I checked the CPU ...
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1answer
380 views

MacBook Pro integrated GPU drawing too much power when CPU monitoring app is running

Main problem: When I run an app that monitors CPU temperature, it rises from 40° to 76° in 3 minutes. Even though the CPU usage is 12%, CPU package power draw maxes out at 31W. I checked the clock ...
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1k views

Mac CPU PECI is at 104°C when encoding videos and doing heavy work

I monitor my MacBook's temperature using Macs Fan Control app. When I bought my MacBook Pro (Retina, 13-inch, Early 2015) ~2 years ago, the CPU PECI temperature is ~98°C when encoding some videos. ...
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1answer
23 views

iPhone 6 can't take pictures in winter

It is impossible to take photos with my iPhone 6 in winter. Temperature can be from 0 Celsius (32 Fahrenheit) to minus 10 Celsius (14 Fahrenheit) i.e. not very low. Phone just turns off without any ...
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Do water blocks that would fit a MacBook Pro cpu socket exist?

From what I've read, when you buy a water cooling system you match stuff depending on your cpu socket or gpu type. Can that be done for MacBook Pro's? *Update I have a rMacBook Pro 13" Early 2015. ...
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265 views

display rotation: MacBook Pro (15-inch, 2017) gpu/cpu usage and fan

I've got the most beefed up version of MacBook Pro (15-inch, 2017) from https://support.apple.com/kb/SP756?locale=en_GB. I've got two monitors: 24" via HDMI using USB-C Digital AV Multiport Adapter ....
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Macbook fans behaving wildly after SSD change

This is a Macbook Pro 15" Retina from 2013 (11,3). After switching my SSD for a new one, the fans started to behave wildly, spinning constantly at ~6000rpm. If I use a fan control app I can keep them ...
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2answers
3k views

After re-assembly, iMac 27" fans blowing at full speed all the time

After disassembly and reassembly to fix an HDD cable issue, my iMac is now a blowhard - the fans are going at full tilt from about 30 seconds after boot. I don't believe the device is overheating - I ...
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909 views

High Sierra's External Display bug heats Macbook's, damaged my Retina Screen, what can I do?

After installing High Sierra, I noticed GPU related slowness, I initially sought help here: What could cause a cumulative slowness that manifests itself as high WindowServer CPU usage in High Sierra? -...
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Is it normal for a 27" iMac to have CPU core temperatures around 95C under 100% CPU load?

I have a 2017 27" iMac with a 4.2 GHz Intel Core i7. It's been having some issues lately where every now and then the entire system will gradually freeze, forcing me to hard reboot the computer. So to ...
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Does Macbook Pro protect itself from heat?

Mine is a Macbook Pro 15-inch Late-2013. I read somewhere that the laptop protects itself from damage by shutting itself down when it gets too hot. My laptop's temperature, currently at its highest ...