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How to Fix USB Ports Not Working on Mac

  • Posted by Faith Armstrong
  • On January 26, 2020
  • In Mac OS
  • 0

USB ports not working mac

Most of the Mac users encounter an issue with their Mac USB ports and thus it does not work properly. One of the most common reasons for this issue is damaged USB ports. 

You are most likely to face this issue while trying to connect any device through the USB cable. Once you get these USB ports not working on the Mac problem, you are unable to connect the device and the situation can be bothersome. This is a very common issue but you can easily fix it on your own. 

Listed below are some effective and quick procedures that can help you to solve this issue on Mac OS. 

Causes of USB Ports Not Working on Mac OS:

Some of the common reasons behind the occurrence for the USB ports not working issue on Mac OS are as follows:

  • Loose connection
  • An older version of the System Management Controller(SMC).
  • An outdated version of the Mac OS.
  • The conflict between two applications

Now let’s take a look into the different ways to solve the USB ports not working on Mac OS. 


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How to Solve USB Ports Not Working on Mac OS?

Below are the certain number of solutions by which you can easily fix the USB ports not working issue on Mac OS. 

Solution 1 – Check the Connection

Check the Connection

One of the easy ways by which you can easily fix this issue is to check the connection. At first, you need to check if the cable is properly connected or not. If not, then disconnect it and then reconnect it properly. After doing this, check if the USB ports are working properly or not. 

Solution 2 – Check the USB Ports

Check the USB Ports

After checking the connection, if the issue still arises, then you can check whether the USB ports are damaged or not. If yes, then it fails to recognize any USB device. So, you need to repair them. 

Solution 3 – Restart the Mac OS

Restart the Mac OS

The USB ports not working issue can also be caused due to a software problem. In that case, you need to restart the Mac OS to solve the problems. To do that, follow these steps hereunder:

  1. Go to the Menu section which is present at the top left corner of the screen.
  2. Click on the Restart button. 
  3. Now a confirmation page will appear on the screen. Click on the Restart button.
  4. After restarting the system, check if the problem is gone or not.

Solution 4 – Reset the SMC (System Management Controller)


Reset the SMC (System Management Controller)

Sometimes, resetting the System Management Controller (SMC) can also fix this issue on the Mac OS. To know more about it, follow these directions:

  1. Switch off the Mac system.
  2. Plug the power adapter.
  3. After that, hold the Shift + Control + Option keys and Power button together.
  4. Leave all these keys and then switch on the Mac OS. 
  5. Once you are done with these steps, check if the issue is solved or not. 

Solution 5 – Reset the PRAM/NVRAM

Reset the PRAM/NVRAM

Another effective way through which you can fix the USB ports not working issue on Mac OS is to reset the NVRAM/PRAM. Here’s how to do that:

  1. Restart the Mac system.
  2. Hold down the Command + Option + P + R buttons at the same time until you hear a sound and screen flashes.
  3. Listen to the sound and the Mac boot up as usual. 

Solution 6 – Install the Mac Operating System

Install the Mac Operating System

An older version of the Mac Operating System can cause this issue. So, you must keep the system up-to-date. Here are some steps that you can follow:

  1. Click on the Apple icon to open the Apple menu list and select the System Preferences button.
  2. From the System Preferences window, click on the Software Update option to check if the update is available or not. 
  3. If yes, then click on the Update Now option to start the update process.
  4. Once the update process is complete, the system will automatically restart.

Solution 7 – Remove the conflicting Applications

Remove the Conficfting Applications

Sometimes, conflicting applications can also cause the USB ports problem on the Mac OS. So, you need to remove the software from the system. The following steps will help you to do so:

  1. Launch the Finder and navigate to the Applications.
  2. Locate the app that you want to delete and move the icon to the Trash.
  3. After that, click on the Trash icon and choose the Empty Trash option. 

We hope the above-mentioned seven solutions will be sufficient to get rid of the USB ports not working on the Mac issue. 

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