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.

Buscar en Ayuda

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

Changing video quality of a video sets quality to 240p and cannot continue playing video

  • 4 respuestas
  • 30 tienen este problema
  • 2 visitas
  • Última respuesta de Sprakle

more options

When I am watching a video, in example this one http://www.youtube.com/watch?v=_jKylhJtPmI and trying to change the quality to 720p (from 480p) the video stops and the quality is set to 240p. I cannot continue the video in any way except for refreshing the page. I am using the HTML5 version of youtube.

The problem occurs after restarting with addons disabled. At chrome, changing the quality works as expected. Using Ubuntu 12.10, 64bit

When I am watching a video, in example this one http://www.youtube.com/watch?v=_jKylhJtPmI and trying to change the quality to 720p (from 480p) the video stops and the quality is set to 240p. I cannot continue the video in any way except for refreshing the page. I am using the HTML5 version of youtube. The problem occurs after restarting with addons disabled. At chrome, changing the quality works as expected. Using Ubuntu 12.10, 64bit

Solución elegida

Clear the cache and cookies only from websites that cause problems.

"Clear the Cache":

  • Firefox/Edit > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox/Edit > Preferences > Privacy > Cookies: "Show Cookies"

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

  • Do NOT click the Reset button on the Safe Mode start window.
Leer esta respuesta en su contexto 👍 1

Todas las respuestas (4)

more options

Solución elegida

Clear the cache and cookies only from websites that cause problems.

"Clear the Cache":

  • Firefox/Edit > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox/Edit > Preferences > Privacy > Cookies: "Show Cookies"

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

  • Do NOT click the Reset button on the Safe Mode start window.

Modificadas por cor-el el

more options

Dear, Everyone who cares. I've had the same solution on and off for weeks, and I have just now found my solution. Try LOGGING OFF. Something in the account settings was doing it for me, but Logging off of my youtube / gmail account fixed this problem.

Spread the word.

more options
more options

On many videos, only the first few quality options are visible (and still not selectable). Opening the same video on chrome will show all the options, and each one works fine.

I tried to turn of hardware acceleration, but there is no way to uncheck the box after opening the settings. This is a common problem: https://encrypted.google.com/search?hl=en&q=firefox%20flash%20cant%20click%20settings