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Message: [QUOTE="Spamwangle, post: 1570908, member: 27595"] kernel_task major CPU usage Not long ago I bought a used 2019 iMac desktop and since doing a fresh reinstall of MacOS activity monitor is telling me that kernel_task is taking up 300%+ of my CPU at all times. This, as you might imagine, is throttling speeds terribly making the Mac near unusable. Common issues I’ve seen when trying to diagnose it all tend to suggest overheating issues but the device is running at a very normal temperature but with the fans blowing heavily. I tried to lower the fan speed with the “Macs Fan Control” App, which only made it so that fans were not so harsh but did nothing for the kernel_task issue. I’m running a fresh install of macOS Monterey, but also had the same issue when I was on a version of Mojave when I first bought the system. I’ve also tried the fixes recommended like resetting the SMC and NVRAM. Anyone got any ideas on what the issue could be before I have to take the last resort of getting it repaired. Thanks [/QUOTE]