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Can't watch live classes

  • 2 réponses
  • 1 a ce problème
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  • Dernière réponse par cor-el

alibek96ttm
alibek96ttm
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So my university live classes started and i have installed firefox recently. The problem is when my teacher screen streams classes i can't watch or hear anything on video. it doesnt load but stays blank screen with only showing class time left. web page we use Perculus+. itried to open live stream class on chrome/microsoft edge and both works very fine. but i want to use firefox. help!

So my university live classes started and i have installed firefox recently. The problem is when my teacher screen streams classes i can't watch or hear anything on video. it doesnt load but stays blank screen with only showing class time left. web page we use Perculus+. itried to open live stream class on chrome/microsoft edge and both works very fine. but i want to use firefox. help!

Toutes les réponses (2)

Sirfrisbee
Sirfrisbee
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Hi alibek96ttm,

Sorry to hear of your poor experience with Firefox, In this situation I have no experience with perculus+ so i will give you some basic tips which have a chance of fixing it. 1. Clear your browsing cache 2. Restart Firefox 3. Restart PC 4. It is possible Firefox blocked specific elements of the website which were deemed dangerous or unsafe, you can read this article to unblock mixed content: https://support.mozilla.org/en-US/kb/mixed-content-blocking-firefox

Hope this helps, Sirfrisbee

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock Plus, NoScript, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.

Firefox shows a purple shield instead of a gray shield at the left end of the location/address bar in case Enhanced Tracking Protection is blocking content. You can click shield icon for more detail and possibly disable the protection. You can check the Web Console for messages about blocked content.

You can try these steps in case of issues with web pages:

You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" for websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window