In the latest versions of Google Chrome added support of media keys. Now when you press the video or audio control buttons on the keyboard nothing happens, because the browser intercepts it.

This is autotranslated version of this post.

It's very simple to fix this behavior. Open this url chrome://flags/#hardware-media-key-handling , and then click Disabled:

Restart the browser. Now Chrome is no longer intercepts the media keys.

How to disable autoplay for videos on Facebook
How to free up space on Google Drive. The easy way