Notice all other software from this developer is for the PC, except this one App. I did a Delete of “Macs Fan Control” using App Cleaner. I decided to delete everything except iStat Menus, which I paid for and have been using for about a decade with never a problem. I was convinced that I was lucky to have this app to control the fan speed to keep my computer running cooler! After some discussion here with folks I became suspicious of this app and another named “TG Pro “. No settings we’re set in The apps configurations for boosting fan speed but, all set to System control for fans.įor weeks I thought something was seriously wrong and got some feedback that there was an overheating problem with Big Sur in the newer iMac, and I had recently vacuumed the ports for dust on the two older iMac’s. My normal fan rpm’s on all three devices were in the upper 900’s to 1200’s, yet even in idle mode doing nothing except changing desktop pictures or screensaver pictures the fans were racing audibly in the 2000’s to 3000’s RPM, Temperature to fluctuate from the high 50s to the mid 90☌ to the mid 90☌temperature to fluctuate from the high 50s to the mid 90☌!. Warning ⚠️ Badware Recommended by Many! This is my testimony and experience with an App from a developer named Crystalidea, which is a PC based developer, except for this one app named “Macs Fan Control”, and recommend, after a several week experience of spurious very high temperatures exceeding 92☌ causing three different iMac’s to shut down automatically and restart, and giving me an Apple notice to send to Apple concerning a Panic Event! Do NOT download and install on your macOS computer, is only my opinion and Experience.Īfter installing and using Cyrstalidea’s App “Macs Fan Control” for several weeks, I was able to consistently and repeatedly on three different iMac’s (2011 iMac, 2014 iMac, 2020 iMac, all 27 inch), caused all three to overheat receiving Numerous warning numerous warningnumerous warnings notices from iStat Menus of temperatures Exceeding more mor than 92☌ for over 10 seconds, causing all three to shut down and restart, as set in system preferences. Hopefully the readings I'm getting are correct given the fact I have an SSD installed and any info is greatly appreciated! I probably could've extended the life of my already elderly (but 100% reliable and sufficiently powerful) iMac if I had sought this info out sooner. When I asked the guy about this I was told it was normal. My current MFC settings are Īs you can see these drops are fairly substantial and I'm kicking myself for not looking them up sooner I was foolishly using the settings recommended by the previous owner of the machine without doing any research, even though my Mac seemed to stay really hot in the upper-left corner. I found a bit of info here from someone using MFC with a mid-2010 27" iMac like mine, the settings they recommended greatly improved the overall temps of my trusty old friend, but the post didn't specify whether or not the OP had an SSD or the original HDD and I was wondering if that would somehow affect the drive sensor as I've upgraded to a SSD.
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