SMC has the role of managing system temperature, battery charging, graphical display processing, startup, and shutdown. System Management Controller (SMC) is a subsystem of Mac computers based on Intel’s platform. From here, select Restart from the available options.Īfter your MacBook has completely rebooted, you may check if your USB-C port is working again. This will trigger the system shutdown dialog. Alternatively, you can hold the Control (Ctrl) key and press the power button. To Reboot your Mac, simply open the Apple Menu then Select Restart from the drop-down menu. There’s a chance that it will fix the USB-C Port not working on your MacBook.

This is a simple yet effective method that can solve many software-related issues. In this case, the first thing you want to do is to reboot your Mac. Sometimes a software conflict can be the culprit for this issue. Before you send your laptop out for Apple support, there are some troubleshooting methods that you can try in order to fix the USB-C port not working issue on your MacBook. It would be a disaster if someday a USB-C port stops working. And since then, these ports have become the main connections for most modern Mac models, including the new M1 MacBook Air, MacBook Pro, and Mac Mini. Apple first introduced the slim, unidirectional new USB-C port on the Retina MacBook in 2015.

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