Not all HDMI cables are the same! Learn how to choose the right HDMI cable for your TV or monitor based on resolution, ...

Going through the pinout with a broken hence sacrificial HDMI cable in hand ... employed the Linux capability called “virtual monitors”, and found out about an interesting peculiarity ...

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and many of the best HDMI cables out there aren't considered 'premium'. That's not to say dodgy wires don't exist, and if you've invested in the best gaming TV or the best gaming monitor ...

The HDMI interface is electrically identical and compatible with the video-only DVI interface, which came first. For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI ...

For this reason, try a different DisplayPort cable or switch to an HDMI connection to see if the problem persists. If your monitor has multiple DisplayPort inputs, try different connections.