Ce site disposera de fonctionnalités limitées pendant que nous effectuons des opérations de maintenance en vue de vous proposer un meilleur service. Si un article ne règle pas votre problème et que vous souhaitez poser une question, notre communauté d’assistance est prête à vous répondre via @FirefoxSupport sur Twitter, et /r/firefox sur Reddit.

Rechercher dans l’assistance

Évitez les escroqueries à l’assistance. Nous ne vous demanderons jamais d’appeler ou d’envoyer un SMS à un numéro de téléphone ou de partager des informations personnelles. Veuillez signaler toute activité suspecte en utilisant l’option « Signaler un abus ».

En savoir plus

I just got a new laptop it won't let me full screen a video that I am watching. What should I try?

more options

I am using a site called couchtuner and when I am using Firefox and I press the full screen button and nothing happens. The video keeps playing it just doesn't go full screen. I have gone on youtube but those videos go full screen just fine. It also goes full screen if I use microsoft edge.

I am using a site called couchtuner and when I am using Firefox and I press the full screen button and nothing happens. The video keeps playing it just doesn't go full screen. I have gone on youtube but those videos go full screen just fine. It also goes full screen if I use microsoft edge.

Toutes les réponses (4)

more options

The video code on the site may not have Full-screen support have you tested this using a different browser?

more options

It works fine on a different browser, just not Firefox

more options

It is possible that the video is played in an iframe and that the outermost iframe is missing the allowfullscreen=true attribute that Firefox needs.

This can happen if there are multiple iframes nested and only the iframe with the video has this attribute. You can possibly check this in the Inspector via the right-click context menu.

Modifié le par cor-el

more options

Can you give a link directly to a page where this problem occurs, assuming no login is needed?