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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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1answer
29 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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1answer
27 views

Does this look normal when I'm only streaming a 4K video? (MBP15 2018, i9, 32GB, 1TB) [closed]

The question says it all; I'm using a 2018 MBP 15", i9 processor, 32GB of RAM and 1TB storage, running macOS Mojave v10.14.2. Does this look normal? On the first picture I'm using Chrome to stream a ...
2
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1answer
28 views

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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0answers
36 views

iMac making noise.

for the last week, I had the problem that my iMac (Mojave 10.14) is making considerable noise when asleep. It was not always like that. I got macsfancontrol and all temperatures seem to be good. ...
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1answer
368 views

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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1answer
113 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 ...
2
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1answer
725 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 ...
3
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1answer
94 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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0answers
256 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 ...
0
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0answers
34 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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0answers
27 views

Non linear fan speeds on MBP 15 2016

I'm experiencing quite random fan speed on my MBP 15 2016 (with TouchBar). When temperature of CPU Die (PECI) as read by iStat is about 60° C, fans varies from 3200 to 5000 rpm with apparently no ...
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1answer
124 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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2answers
365 views

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 ...
0
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1answer
33 views

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 ...
3
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2answers
513 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 ...
0
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1answer
1k 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
502 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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0answers
167 views

2010 iMac overheating after SSD installation [duplicate]

I have installed an extra SSD in my 2010 iMac, replacing the original HDD. The fan(s) started spinning loudly at full speed, so after doing some research, I short-circuited the HDD temperature ...
0
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1answer
155 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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0answers
294 views

Night Shift “override” while watching Netflix on iPhone 6 (cool color tint)

When using the Netflix app on my iPhone 6 to watch a video in fullscreen with Night Shift turned on, the screen has a blue/green tint anyway. This becomes especially clear when I pull down the ...
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0answers
54 views

kernal_task is taking all processing & slowing down Macbook Pro mid 2015 [duplicate]

I know this question has been asked and answered before but none of the solutions worked for me thats why I'm asking a new question. I have MacBook Pro Mid 2015 From few days I've encountered a ...
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0answers
155 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 ...
0
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1answer
17 views

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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1answer
490 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 ...
2
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1answer
1k 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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0answers
511 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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0answers
178 views

Alternative 'menu bar app' that shows battery temp AND graph (like iStats Menu)

It happens to all of us. Free apps on Mac AppStore turning out to be 'trials'. My iStats Menu trial ended. So I resorted to free or open source alternatives. Macs Fan Control 1.4.10 shows ...
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2answers
945 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 ...
1
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1answer
289 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 ...
2
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2answers
4k 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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0answers
22 views

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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2answers
2k 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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0answers
52 views

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 ...
2
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1answer
272 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 ...
3
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1answer
870 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
21 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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0answers
35 views

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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2answers
230 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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0answers
40 views

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 ...
2
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2answers
2k 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 ...
2
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2answers
852 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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3answers
6k views

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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1answer
57 views

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 ...
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1answer
105 views

When will SIP shutdown the computer to prevent overheating?

I have a MacBook Pro Early 2015 running macOS High Sierra. I've managed to get it to pretty high temperatures for both the CPU and the GPU. I've managed to get them to at least 100ºC and the computer ...
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2answers
1k views

High Temp at Startup after Upgrading to High Sierra

After upgrading to High Sierra (I have clean installed it), my mac (Macbook Pro 2010) needs unreasonably longer time to login. As a result, I have noticed that the temperature increases to around 100 ...
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2answers
2k views

Does it make sense to turn a closed Mac upside down when it's hot?

After some period of work with my MacBook Pro its bottom part can be hot. If I want to take a break and close the Mac - does it make sense to turn it around - the bottom part will be on top. Is it ...
3
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2answers
3k views

Turn off macbook screen when connected to a monitor

When connecting my 2017 15' macbook pro to a 4k external monitor it gets a little bit warmer (65° celsius, while it's only at 35 without the monitor) than I want it to be, even if it's just idling. ...
3
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2answers
7k views

How to properly set SSD Fan Control on iMac late 2009 after SSD upgrade

I’ve upgraded my late 2009 iMac 27” with an SSD hard drive. Because of the fan noise, I’ve installed SSD Fan Control, but I’m not sure how to set it properly, avoiding to reach high internal ...
33
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4answers
13k views

Can running `yes > /dev/null` harm a Mac?

I recently ran yes > /dev/null for a 3 minutes to drain my Mac's battery. During that time, the temperature rose to 72 °C and fans spun up to 4000 RPM. I immediately quit the process. Should I ...
4
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1answer
3k views

Is it possible to view the CPU/GPU temperatures **from the command line**? [duplicate]

When this question was asked in 2012, specifically mentioning the "command line" requirement, an answer suggested Temperature Monitor (a "legacy" product). Running all three, Temperature Monitor along ...