Търсене в помощните статии

Избягвайте измамите при поддръжката. Никога няма да ви помолим да се обадите или изпратите SMS на телефонен номер или да споделите лична информация. Моля, докладвайте подозрителна активност на "Докладване за злоупотреба".

Научете повече

How do I enable HTML5? I disabled it or blocked it by accident.

  • 2 отговора
  • 4 имат този проблем
  • 8 изгледи
  • Последен отговор от cor-el

more options

All the videos are blocked. For example, Youtube and Facebook videos. It only shows a black screen. Plus, only Flash works for now.

All the videos are blocked. For example, Youtube and Facebook videos. It only shows a black screen. Plus, only Flash works for now.

Всички отговори (2)

more options

install Flash plugin... such as adobe flash plugin

more options

You can check if there are media.*.enabled prefs that show user set (bold) on the about:config page.

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

Use the Search bar at the top of the about:config page to locate preferences more easily: media.*.enabled


Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window