This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

Disable popup "YouTube.com is now fullscreen. Press Esc at any time to exit"

  • 2 fhreagra
  • 1 leis an bhfadhb seo
  • 1 view
  • Freagra is déanaí ó sludge7051-x

more options

How to disable this message: "YouTube.com is now fullscreen. Press Esc at any time to exit"

Open a new tab. Enter the following in the address bar: about:config

Enter the following in the filter box: full-screen-api.approval-required

Double-click to set the parameter to false

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

How does this message help anyone?

If this is a security feature, the idea is to prevent an un-authorized fullscreen mode.

I clicked to make it full screen!

How to disable this message: "YouTube.com is now fullscreen. Press Esc at any time to exit" Open a new tab. Enter the following in the address bar: about:config Enter the following in the filter box: full-screen-api.approval-required Double-click to set the parameter to false - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - How does this message help anyone? If this is a security feature, the idea is to prevent an un-authorized fullscreen mode. I clicked to make it full screen!

Réiteach roghnaithe

You may submit feedback directly to the Advocacy team through the following page:

The User Advocacy team reviews all feedback and reports on the findings to the product teams and relevant parties, helping to influence and shape our products.

Read this answer in context 👍 0

All Replies (2)

more options

Réiteach Roghnaithe

You may submit feedback directly to the Advocacy team through the following page:

The User Advocacy team reviews all feedback and reports on the findings to the product teams and relevant parties, helping to influence and shape our products.

more options

Done. Thank you!