Head to a site where a video was giving you a problem to see if it works. Next, scroll down near the bottom and under the System section, turn off “Use hardware acceleration when available,” and relaunch Chrome.
You can get to Settings from the Options menu or type: chrome://settings in the address bar and hit Enter. The first thing to try is disabling hardware acceleration in Chrome’s Advanced Settings to fix the problem. Audio and video playback controls were not accessible either. But after pressing play, I would be staring at just a blank black box. Or, sometimes (like this example from the Android Oreo site), the video displayed the featured thumbnail. Well, when I would come across one, usually the video box was completely blank. Typically, videos on a website, including ours, are embedded from a streaming service like YouTube or Vimeo. Well, the next day, I realized that embedded videos were not playing in Chrome. It was late at night, and I didn’t remember which settings I messed with.
I didn’t have a reason to start turning things on and off other than being bored and curious. The other day I was tinkering with various settings in the Chrome browser. Fix Videos in Website Not Playing in Chrome