Click here to full screen

Select “Settings” from the menu. Now go to the “General” section. Toggle the switch on for “Zoom to Fill Screen.” That’s it!

Watch in full screen

Sometimes a YouTube page will load incorrectly, causing graphical issues in the process . If this is the reason you’re encountering a full-screen error, pressing the F5 key or clicking the “Refresh” button will reload the YouTube page and fix the problem. Try using full-screen mode while Chrome isn’t maximized.