This can be a major problem for some users, but you can fix the issue by switching to the default theme in Chrome. Google Chrome full screen not working – If full screen mode isn't working in Chrome, the issue might be your scaling settings. Simply adjust them and check if that solves the problem.

Why is full screen not working on Google Chrome?

In some cases, the full-screen error is caused by Google Chrome failing to load correctly; to fix this, close Chrome, then re-open it and go back to the video you were watching. Restart your computer.

How do I enable full screen on Chrome?

The easiest is to press F11 on your keyboard — this will immediately make Google Chrome go full screen. 3. You can also click the three vertical dots in the top-right of your Chrome window, and then click the button that looks like an empty square — it's right next to the " Zoom " option.