USB ports not working in Mac issue is getting contagious. Almost every new update ensues a plethora of complaints from users about their USB ports. While Apple is working hard to give its fixes officially in the coming updates, there is an easy way to fix USB ports not working in Mac problem.
Fix Mac USB Ports Not Working
But first, you must check and confirm that the problem is actually in the USB port and not in the USB itself. You can check this by trying multiple USBs. If no USB works, that means the problem is in the USB port. Here’s how to fix the USB port not working issue in Mac.
Reset Mac SMC
First and most useful way to fix faulty usb ports is to reset the Mac system management controller (SMC) hardware. Here are the ways to do this simple thing.
Shutdown your Mac.
Connect the power adapter to the Mac.
Hold down the Shift+Control+Option keys and the Power button at the same time from the Macbooks keyboard.
Release all keys and the power button at the same time.
Boot your Mac and SMC will be reset.
For iMac, Mac Pro, Mac Mini
Shut down your Mac
Disconnect the power cord
Press and hold the Mac’s power button for 5 seconds
Release the button
Reattach the power cables and boot the Mac as usual
Hardware manager is directly related to SMC. Once you reset the SMC and reboot the computer, USB hardware functions are reset and they start working again. In case they don’t, try to other methods which are mentioned below.
Check for Updates
You must check for the updates, because lack of updated firmware and software is the cause of so many hardware related issues in Mac. You can check for updates by going to the Apple menu > App Store > Updates section.
This is how to fix USB ports in Mac not working problem. If the problem is still not fixed, let me know in the comments and I will find you another way to fix the problem.