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utube video won't play. plays on ie.

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utube video won't play. plays on ie. played on previous versions of firefox. Don't want to fiddle with plugins or extensions.

utube video won't play. plays on ie. played on previous versions of firefox. Don't want to fiddle with plugins or extensions.

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Does the Flash player get detected on the Adobe test page?


Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

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