MacBook Pro USB-C to HDMI Not Working [Reasons & Fixes]

Many MacBook users complain that the HDMI connection doesn’t work. When your USB to HDMI adapter does not work, do not panic – you are probably not the only one experiencing this problem.

You may run into this problem, especially if you’re going to connect your Mac to an external monitor. You can often solve the problem fairly easily. Follow the tutorial and see if it fixes your problem.

Why is MacBook Pro USB-C to HDMI not working?

Ensure that your MacBook and the other device are connected properly by checking the cables and HDMI ports. You should also check the display settings if the second display isn’t detected. You might want to rotate your screen on your MacBook while you’re at it to match your preferences. Whatever the cause of this issue, this guide will surely assist you in fixing it.

What to do if USB-C to HDMI adapter isn’t working?

We have provided some troubleshooting tips to help you fix your adapter. Just work your way down the list until you find a solution that works for you.

1. Check if Everything is Connected Properly

Ensure your MacBook is connected properly to an HDMI device if the HDMI connection isn’t working. If that still doesn’t work, try these suggestions:

  • Keep the MacBook connected to the HDMI device while turning it off.
  • Turn off the MacBook and disconnect the HDMI cable.
  • Reconnect the HDMI cable to the MacBook after a few seconds.
  • Turn on the HDMI device now.

Despite its simplicity, this workaround might be handy, so make sure to test it out.

2. Check the Version of Your Operating System

Occasionally, people overlook determining whether their operating system is compatible with their newly purchased adapters. In that case, you need to figure out what version of your operating system you are using.

For Mac Operating System:

  1. On your computer screen, click on the Apple icon in the top left corner.
  2. After clicking, a pop-up window will appear, and it will show you the exact version of your computer operating system.

For Windows Operating System:

  1. Start the Run box by pressing the Windows logo key and R simultaneously on your keyboard. Select MsInfo32 and press OK.
  2. This opens the System Information window. The System Summary button will bring up your computer’s basic information. Click it in the left pane. Observe the OS Name item that manifests the system version.

The next step is to check whether your operating system works well with your USB to HDMI adapter after knowing the version of your operating system. Some adapters are only compatible with specific versions of operating systems. If your computer is working fine with the adapter, please move on to the next step.

3. Check the HDMI Cable

If your MacBook has never worked with HDMI, your HDMI cable may be faulty. If your cable isn’t Apple Certified, you may have to replace it. Apple products work best with Apple Certified cables. As an alternative, you can purchase an Apple HDMI cable.

4. Check Your USB Port

The USB port on your computer may stop responding, which will halt the connection between your two devices. Make sure your USB port is functioning properly. You should connect the adapter to another port if that is the case; otherwise, you should move on to the fix below.

5. Use Detect Display Option

 You can also use the Detect Display option if your HDMI connection doesn’t work. For this:

  1. Select the system preferences option in the Apple menu
  2. Then choose Displays
  3. After this, press the option key and click on Detect Displays

Now check if the issue is resolved.

6. Download & Install the Latest Drivers

If corresponding drivers haven’t been installed and updated properly, your USB-C to HDMI adapter can also cause the issue. So, try to download and install the latest driver.

For this, go to the website of your adapter’s vendor and download the driver (this website is usually mentioned in the user manual).

After downloading and installing the driver, restart your PC. while rebooting your computer; it’s better to remove the adapter.

But if you can’t update your driver manually due to a lack of technical skills, time, or patience, Driver Easy can help you do this automatically.

7. Restart Your MacBook

Sometimes your system might have a glitch that prevents your MacBook from working correctly. In this case, restarting your MacBook Pro can solve the issue.

8. Ask for technical support from the adapter’s vendor

Your adapter may malfunctioning if none of the above methods work. The last resort is to contact the adapter’s manufacturer for technical support.

Frequently Asked Questions (FAQs)

Why is my HDMI to USB-C adapter not working?

Dedicated drivers might be at fault if your USB-C to HDMI adapter doesn’t work on Windows. In this case, we recommend updating the USB to HDMI driver from the official website. Alternatively, recent Windows 10 updates can result in problems due to unexpected bugs.

How do I get my USB-C to HDMI adapter to work?

A USB-C to HDMI adapter’s usage instructions

  • Plug one end of the universal HDMI cable into the HDMI adapter.
  • Next, plug the other end of the cable into the TV’s HDMI port. You may use any HDMI port on your TV if it has multiple HDMI ports.
  • Your device must be connected via the Type-C USB port of the HDTV Adapter.

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