USB is the most common and convenient way to transfer data from your devices. It can become a headache in no time when the USB ports stop working. You know that you didn’t do anything to cause this problem; however, it still happens. Mac computers usually work perfectly, but they can have this particular problem as well. USB ports on your Mac suddenly stop working and you don’t know what to do or how to check the problem. The first step is to restart your computer. Restarting your device solves half of your computer’s problems. If it doesn’t work by restarting, here are some easy steps you can follow to solve the issue of Mac USB ports.
Fix # 1: Reset Mac SMC
Mac USB ports not working can be fixed by resetting your Mac’s System Management Controller (SMC) hardware. This is the easiest solution to fix your USB port problem. SMC controls battery function, thermal activity, video output, light management, and many other hardware functions. All you need to do to is reset Mac SMC. Here’s how you do it.
- Shut down your Mac and plug-in charging cable.
- Press the Shift+ Ctrl + Option and power button at the same time
- Hold them for a few seconds.
- Release the buttons
- Now restart the system
These easy steps can reset your SMC hardware. All the hardware of Mac will start working with an SMC reset, and your USB ports will most probably start working again. It is the most suitable option but should not be applied again and again, or it can ruin your Mac.
Fix # 2: Update Your Mac
Check for updates in your system. Updating can increase the efficiency of your computer. It is a reasonable option to get things to work properly. To update your Mac follow the steps:
- Go to App Store on your Mac
- Look for updates and install them
- It will restart automatically after the installation of updates
A plus point to updating is that you get to enjoy all the new features of your computer and can resolve your USB port problem as well. Once up to date, you can check if it still has any problems.
Fix # 3: Reset the PRAM/NVRAM
Another useful way to fix Mac USB ports is to reset the Parameter Random-Access Memory (PRAM) or Non-Volatile Random-Access Memory (NVRAM). NVRAM contains the information regarding your keyboard, mouse, and USB components and can solve USB ports problem. Follow these simple steps to reset NVRAM:
- Restart your Mac
- Press the Control + Command + Alt + P + R together
- Hold them for a few seconds until the screen flash appears
- Release the buttons and let the system boot as usual
Once the computer has loaded completely, the USB ports should start working.
All of the ways mentioned above can fix Mac USB ports. After completing each process, check all the USB ports one by one. Some USB cables would work with your MAC and some would not as they might not be compatible with it. Be punctual in updates as they solve half of your software and hardware problems.