Restart your Mac, now plug your HDMI cable back in, then turn on your HDMI display.Īlthough this solution is simple, it will fix many minor problems. Then disconnect your HDMI cable from your computer. Restart Your ComputerĪ simple yet effective solution to many computer issues is to restart your Mac.įirst, turn off your HDMI display while your Mac is still turned on. If your HDMI cable stopped working after you updated Catalina, several things may help. Although these scenarios are common, we’ll go over them and discuss possible solutions to these problems. Or, it could be that the HDMI port itself is not functioning properly. However, several common factors can contribute to this issue.įor example, if you recently updated your Mac to OS Catalina, your HDMI cable might suddenly stop working. When connecting your Mac to an HDMI cable, sometimes it might not work correctly. Ensure You Have Proper Privacy Settings.So let’s start troubleshooting and get your HDMI/Mac connection up and running again. In the following paragraphs, we will discuss other reasons your HDMI cable might not work on your Mac. We’ll go in-depth in later sections of this article. If that doesn’t work, consider restarting the device you’ve connected to your Mac via HDMI cable. We’ll go in-depth on why your HDMI is not working on your Mac, why your Mac is not detecting your displays, and how to reset your HDMI port just in case.įor instance, a quick way to troubleshoot the problem is to disconnect your HDMI cable and plug it back in. We’ll cover all the basics so you can troubleshoot your connections and start streaming again. Today we’re going to address several questions to help you find the answer you’re looking for. But sometimes, our HDMI cables don’t seem to work. That’s why the HDMI is such a valuable component for our iPhones and Macs. We especially love connecting them for streaming purposes.
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