![]() (YouTube videos suggest that replacing embedded heat sensors often involves soldering SMD devices.which I don't want to do and/or replacing the circuit boards, which is not worth the cost. It found no problems with either! So, for the moment, I really am no further ahead and I'll learn to live with the perpetual fan. I then got a license for TG Pro, which is capable of running diagnostics on the heat sensors and the fan. I then installed a fan from a 2012 MacBook Air into the 2017 notebook. It suggested the problem was fan related with no mention of problem sensors (and also suggested a problem with the camera which I haven't encountered). ![]() I booted the notebook into diagnostic mode. I checked that I had replaced all the wires and ribbon connectors correctly. Any suggestions?īased on u/DerpsAU comment, I decided to see if the problem was sensor or sensor-cable related. Otherwise, the battery needs replacement (62.5% original capacity). The system is running Monterey on a 1.8 GHz Dual-Core Intel Core i5 processor with 8GB memory. The fan starts almost immediately at startup and is one of the last things to turnoff when I shut down. I've installed Mac Fans Control and still can't control it. But the fan is always running full blast (>7700 RPM). With this, the fan will spin at the desired speed regardless of temperature and sensor values. The Constant RPM option lets you manually set the RPM value. How do I manually control my Mac fan To take control of a fan, click the Custom button next to the fan and select how you want to control it. I replaced the top case on this 2017 MacBook Air and got it back to being a usable computer. By default, my Mac’s cooling fans run between 2,000-2,100 RPM at idle, and that’s great.
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