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I use Comcast as my Home Page which includes small small videos of news events, and Firefox only plays sound no video, but Interenet Explorer plays both fine -

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I am running Windows 10, Firefox browser. Internet Explorer plays both audio and video fine. Suggestions.

I am running Windows 10, Firefox browser. Internet Explorer plays both audio and video fine. Suggestions.

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Update your Flash Player Note: Windows users should download the ActiveX for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX.

Flash Player Version: 25.0.0.171

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration

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Fred McD, Thanks so much. I have Windows 10 so I should install the plug in only. I have been unable to find the plugin or how to install it. It's probably my lack of computer knowledge, but could you help? Thanks again. Jim

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Did you verify that the website isn't using the HTML5 media player?

You can check via the right-click context menu of the player area what type of media player is used. You wouldn't get sound if a Flash based player is used without having the Shockwave Flash plugin installed and you get sound.

You can check the Web Console (Tools > Web Developer) for error messages about blocked and unsafe and mixed content.

If necessary use "Ctrl+F5" or "Ctrl+Shift+R" to reload the page and bypass the cache to generate a fresh log.

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 is causing the problem.

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

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