![]() ![]() Failure to adequately cool a Mac can result in performance problems, crashes, and even permanent damage to hardware. Manually controlling Mac fan speed is not without risk, so if you don’t know what you’re doing and how to not damage your computer, you should not use these type of apps. But remember, the Mac will adjust fans on its own depending on temperatures as needed, so intervening on your own is generally not wise nor recommended. Then I am 99.99% sure flash it is the only way to fix it.The aptly named Macs Fan Control application allows for this. Otherwise, it won't work properly.īut if the fan still spin up and down after stress test. If no more fan noise, then it means your card need something to stress it EVERYTIME after you boot to desktop. using Firefox), then try to stress it for few seconds and do the test again. If you can hear the fan spin up before stress test (e.g. Just in case the power control bug not just affect the PCIe & PSU fan, but also make your card unable to correctly stay at low power mode. Then I am quite sure there is no solution in MacOS apart from flashing your card (with a more gentle fan profile).Īnyway, you may still try to stress the card a bit after boot to desktop. ![]() If you can hear the fan spin up and down when browsing in Firefox. Also, you can keep scroll down forever (particular useful for this test). It's quite demanding (as a webpage), and can use lots of VRAM. One of the easy test is browning Facebook. But when the noise signature keep changing, it's very easy to catch your attention. In fact, if the demand is bigger, and make the fan keep spinning at a faster RPM, you may not notice it at all. Therefore, you will able to hear the fan on and off. In some case, it's just strong enough to trigger the fan to spin up (keep jumping above and below the "fan spin up threshold". When you scrolling up and down, the GPU and the associated VRAM actually work a bit harder than "just display something (2D idle)". Since all modern browser use GPU to accelerate. ![]() Some GPU come with a very aggressive fan profile. ![]()
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