- Mac Os Fan Control
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If your computer's running a little loud for your tastes, it's probably because your fans are running at full speed—even if they don't need to be. Here are a few ways to manage your fan's speed so they're keeping your computer cool when they're necessary and silent when they're not.
Fan Control in Windows on a Retina Macbook Pro (Boot Camp). You need to use an external application to control fan speed in an smart way. Macs Fan Control. Advanced Mac users may wish to occasionally manually control their Macs fan speed, along with monitoring the active fan speed and keeping an eye on the various internal temperature gauges of their Mac. This can be helpful for performance reasons, but also for some troubleshooting situations, or even.
We've talked about how to quiet an especially noisy fan before, but focused on computers running too hot or not clean enough. If you've built your own computer, chances are your fan speeds aren't being regulated, and they're just running at full speed all the time. This makes for a very cool computer, but it can be annoyingly loud, especially if you don't need those fans running. There are a lot of ways to regulate those fans, many of which are completely free. Here's how to set them up.
Mac Os Fan Control
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Read more ReadMethod One: Install Fan-Controlling Software
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The most ideal way to control your fans is with something like previously mentionedSpeedFan (or, if you're on a Mac, previously mentionedsmcFanControl). These will give you the most control over your fans, letting you choose how fast they're running at any given time. SpeedFan can even monitor your computer's temperatures and adjust the fans accordingly. And, if you head to SpeedFan's configuration, you can even tell it your desired temperature and have it adjust your fans automatically based on that. Just be conservative, since your motherboard's temperature values aren't always accurate to the degree.
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The one downside with SpeedFan is that it isn't compatible with every computer out there. You can check out their Support page to see if it'll work with your machine, or just try it out yourself. If it doesn't work, you can skip to the next method and see if there are options in your BIOS instead. SpeedFan also requires that your fans be plugged into the 3- or 4-pin headers on your motherboard, not the large, 4-pin Molex connectors. If you only have Molex connectors available, you'll need to skip to method three. And lastly, it won't control all the fans in your machine—just the ones for which your motherboard supports fan control. If you want to control all your fans, you'll need to resort to method three below.
Method Two: Tweak Your BIOS Settings
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Many motherboards have fan control built-in to the BIOS settings these days, though they don't always give you as much control as something like SpeedFan does. But, if your computer isn't supported by SpeedFan, this is a good plan B. Open up your motherboard's BIOS settings (usually by holding a key like Delete when you boot your computer), and search for the fan settings. They're called all sorts of different things (for example, Asus has 'Q-Fan Control', while Gigabyte has 'Smart Fan Control'), but generally you should be able to find it under one of the BIOS menus. Enable this feature, and tweak any settings it gives you to your liking. Some machines may only let you set it to conservative or liberal mode, while others will let you individually set temperature thresholds like SpeedFan.
It'll also offer you a choice between two regulation methods: voltage and PWM. The voltage mode adjusts the voltage of the fan, while PWM mode sends calculated voltage pulses to the fan to make it run a bit slower. For the most part, this depends on how your fans are plugged into the motherboard. Fans connected with a 4-pin connector should use PWM, while fans connected with a 3-pin connector should use voltage. Voltage is slightly less efficient, and you can't get speeds quite as low as with PWM, but PWM can be finicky sometimes too. If you find PWM is giving you problems, you can always switch to voltage. And, if you can't connect your fans to the headers on your motherboard (that is, if you're using the large, 4-pin Molex connectors), you'll need to use method 3 below. Again, your motherboard will only support this kind of fan control for a few fans, too (usually your CPU fan and a system fan). If you want to control them all, check out method three below.
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Method Three: Buy an External Fan Controller
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While the above methods are great for automatic fan control, they aren't always available on every motherboard—and they'll usually only control one or two fans in your rig. If you want control over everything, you can install an inexpensive fan controller like one of these from Newegg. It fits in one of your computer's drive bays, and gives you a number of knobs that let you manually control the speed of each of your fans. It won't monitor temperatures for you, so you'll have to keep an eye on them with something like RealTemp or Rainmeter—but it will give you full control over every fan in your machine.
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Photo remixed from originals by Gavin Loynes and maxstockphoto/Shutterstock.
None of these solutions is absolutely perfect, but hopefully with a bit of tinkering you can get more control over how fast (and loud) your fans run. Got any of your own tips for fan control in your machine? Let us know in the comments.
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Active2 years ago
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 rising computational load fast enough to keep the CPU under thermal shutdown temperature (Tj max) and freeze the machine.
This is somewhat inconvenient of course, as it means the CPU has reached a temperature that it should never reach, and also requires a reboot.
I know that the fans are capable of running higher than the highest they have been recorded to run which is in the neighborhood of 4900 RPM, they should be capable of going to 6000 RPM, which, even though it would be noisy would be keeping the CPU cooler, which is a good thing in my book.
Here's a screen capture to illustrate..
So I hope this makes it clear that Apple's fan speed scaling is a bit on the conservative side when the temperatures are high.
![Fan Fan](/uploads/1/2/6/2/126263448/808542351.jpg)
From what I can tell, once you get the machine nice and toasty and the load 'stabilizes' it will generally be in a state of equilibrium where the CPU core temperatures hover in the high 80's and 90 degrees C, making occasional excursions above 100 degrees C. So long as the 105 degree Tj Max point is not passed the computer keeps up with whatever game you're playing just fine.
My understanding is that under OS X I can use the smcFanControl app to manually specify the fan RPMs, but I have not been able to find a similar way to control or fix the fan speed once I am booted into Windows. When I did this sort of experimenting on my Macbook Air there seemed to be a method which involved setting the desired setting in smcFanControl in OS X and then sometimes rebooting into windows would have the setting stick. This would basically get the job done if it works on the rMBP as well, but I'd prefer something friendlier.
Are there any fan control applications for Windows that will recognize and allow control of the Macbook Pro fans?
Steven LuSteven Lu85833 gold badges1212 silver badges2828 bronze badges
3 Answers
I wonder why noone mentioned wonderful and freeMacs Fan Control app that works flawlessly on Windows. All mac hardware support is declared, OS X version is also available.
ThomasThomas
![Mac Manual Fan Control Mac Manual Fan Control](/uploads/1/2/6/2/126263448/375316011.png)
Fan Control For Mac
You need to use an external application to control fan speed in an smart way. 'Lubbo's MacBook Pro Fan Control' is the best option to use:
https://keentext413.weebly.com/mac-tools-cld200m-instructions-manual.html. Don't forget, in order to have smart control on fans speed, just change the value of 'CPU Key' to 'TC0F'. Then restart the application.
Place a shortcut of this application on your Windows startup and that's all!
Your Mac will stay cool and keep running even under heavy loads.
TaherTaher
So I went with the lubbo fancontrol and changed the config option as suggested above.
I'm running windows 7 pro on my macbook pro retina late 2012, 2.6 i7.
One thing you can do regardless of an extra fan controller is drop the CPU power. https://keentext413.weebly.com/mac-os-x-manual-fsck.html.
Go to Power Options > Change plan settings (starting from Balanced) > Change Advanced power settings.
Then in the Power Options popup window, I went to: Processor power management > Maximum processor state, and set my On battery and Plugged in percentages to 90%.
Got a bout a 20 deg C drop in temperature. I posted about it here:http://forums.macrumors.com/showpost.php?p=20685544&postcount=12
Mac Mini Fan Control
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Mac Manual Fan Control Software
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protected by Community♦Aug 4 '17 at 9:03
Mac Manual Fan Control Kit
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