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Trailers do not play

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I can watch videos on youtube, and netflix, and various other sites, but when I go to movie sites and try to watch trailers they do not show, they are blank, and this has happened on a few other sites as well. I have tried to disable every plugin and extension and get the same thing. If I restart in safe mode it all works fine, and I can even enable my plugins, but as soon as I restart in normal mode, it stops working again. I do not know why this is happening and I have run out of ideas of how to get this to work. I have also updated every plugin, and media player. Some of the sites that are giving me problems are redbox and yahoo movies, just to name two common sites. Any help will be appreciative.

Chosen solution

If it does work in Firefox Safe-mode then disable all extensions (Tools > Add-ons > Extensions) and then try to find which is causing it by enabling one extension at a time until the problem reappears.

Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

Try to disable hardware acceleration in Firefox.

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All Replies (4)

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Does that happen with Firefox safe mode?

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Chosen Solution

If it does work in Firefox Safe-mode then disable all extensions (Tools > Add-ons > Extensions) and then try to find which is causing it by enabling one extension at a time until the problem reappears.

Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

Try to disable hardware acceleration in Firefox.

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Ok, thank you will try this, videos work in safe mode but as soon as I enter back into non-safe mode they stop working, I have not tried disabling everything, restarting, then enabling each one with a restart. I was disabling them and trying a new video. I will let you know if this works

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Disabling Hardware Acceleration did the trick. I disabled all extensions and add-ons with no luck, went to safe mode and it worked. Re-enabled everything again, tried turning off hardware acceleration and the videos work now. Thank you.