If your computer is working fine with the adapter, please move on to the next step. Some adapters are only compatible with specific versions of operating systems. 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. Observe the OS Name item that manifests the system version. The System Summary button will bring up your computer’s basic information. This opens the System Information window.Start the Run box by pressing the Windows logo key and R simultaneously on your keyboard.After clicking, a pop-up window will appear, and it will show you the exact version of your computer operating system.On your computer screen, click on the Apple icon in the top left corner.In that case, you need to figure out what version of your operating system you are using. Occasionally, people overlook determining whether their operating system is compatible with their newly purchased adapters. Check the Version of Your Operating System Reconnect the HDMI cable to the MacBook after a few seconds.ĭespite its simplicity, this workaround might be handy, so make sure to test it out.Turn off the MacBook and disconnect the HDMI cable.Keep the MacBook connected to the HDMI device while turning it off.

If that still doesn’t work, try these suggestions: Check if Everything is Connected ProperlyĮnsure your MacBook is connected properly to an HDMI device if the HDMI connection isn’t working. Just work your way down the list until you find a solution that works for you. We have provided some troubleshooting tips to help you fix your adapter. What to do if USB-C to HDMI adapter isn’t working? Whatever the cause of this issue, this guide will surely assist you in fixing it. You might want to rotate your screen on your MacBook while you’re at it to match your preferences. You should also check the display settings if the second display isn’t detected. Why is MacBook Pro USB-C to HDMI not working?Įnsure that your MacBook and the other device are connected properly by checking the cables and HDMI ports. Follow the tutorial and see if it fixes your problem. You can often solve the problem fairly easily. You may run into this problem, especially if you’re going to connect your Mac to an external monitor. When your USB to HDMI adapter does not work, do not panic – you are probably not the only one experiencing this problem. Many MacBook users complain that the HDMI connection doesn’t work.

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