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How to check your Mac fans for free



  Phantasmic Got fans? Of course you do. Well, most Macs come with a fan. Actually fans . Plural. Why so many fans? It gets hot inside a Mac, and there is heat in the electronics as well, fans .

Most of us rarely hear our fans, but when they come on, you know that your Mac breaks a sweat, so to speak, and needs to be cooled. When the CPU or hard drive or SSD or motherboard reaches a certain temperature, the fans come and blow away to reduce heat. It's physics.

Fix. Fans. Free.

For Mac users who want to know what's happening on Mac, the free Phantasmic tool is perfect for watching Macs fans. And in color, no less.

 Phantasmic

Much of what Phantasmic does is self-explanatory, although the app's window's residents will vary depending on your Mac. What it does is show the results from different sensors on the Mac. For example, the general ambient temperature, CPU and GPU, hard drive, monitor, RAM and power supply. Each has a set of sensors that can tell Mac fans when to turn on and off.

Phantasmic displays the temperatures of each sensor group, but also gives you control over each sensor when it then controls when the fan turns on.

Change the tab temperature setting, adjust the tab's maximum RPM Temp configuration – for each of the sensors. By default, Phantasmic only reports sensor findings and makes no changes. You must click the Change Fan check box to enable the sensor setting option.

A security feature I appreciate is Quit Phantasmic. When you exit the app, all the settings you changed will return to normal. Where I found Phantasmic helpful, is with a couple of our older MacBook Pro models in the Mincey Plantation family. Everyone uses these Macs as iPads, so who knows what is being installed. Sometimes the Macs get quite hot before the fans bother to come and make noise. Phantasmic lets me set the temperature a little lower, so the fan comes on earlier.

Remember that heat is dead for a Mac.

Phantasmic is a first release app. For more options, try Macs Fan Control (with a nominal price tag).


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