When using Firefox & Xfinity TV app to watch live TV on HD channel audio is garbled; picture poor. SD channels work OK. App works w Chrome & MS Edge. Fix?
I have an HP Pavilion computer updated to Windows 10 from Windows 7 and plenty of available bandwidth from Comcast. My problem occurs when using the Xfinity TV application with the Mozilla Firefox browser (Version. 49.0.1). This application gives me access on my desktop and laptop computers and Galaxy Note 5 to all of the Xfinity X1 platform content including live TV channels to which I subscribe to from Comcast when I am viewing them while at home. This content is accessed through the Live TV function contained in the Xfinity TV application. Hence, when using this application, I can watch one channel on a TV and a second on my computer. While this application is fully functional with Chrome and Microsoft Edge is does not work well with Mozilla Firefox. The problem occurs when I try to use the Xfinity TV application to watch a live broadcast of a TV program being broadcast in high definition using my computer and HP HD 25 inch monitor. When watching the high definition broadcast the picture is jumpy (flickers) and the audio is garbled, choppy and not understandable. These problems do not occur when a standard definition broadcast of a live TV program is being watched using the Mozilla Firefox browser. Xfinity TV application works properly with Chrome and Microsoft Edge browsers. Is there a setting in Firefox or other fix for this problem.
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If you have problems with current Shockwave Flash plugin versions then check this:
- see if there are updates for your graphics drivers
https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration
- disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later)
https://forums.adobe.com/message/4468493#TemporaryWorkaround
- disable hardware acceleration in the Flash plugin
https://forums.adobe.com/thread/891337 See also:
Thank you but I have already updated Shockwave. I think that the problem is with Mozilla but cannot identify it as I am not very computer literate. I have been working on this for a week with Comcast and HP techs. So far, I refuse to accept the the solution is to use Chrome or Microsoft Edge when running this application.
Yes. Computer is updated.
Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options) key, and then starting Firefox.
A small dialog should appear. Click Start In Safe Mode (not Refresh).
Is the problem still there?
Start your Computer in safe mode with networking. Then start Firefox. Try Safe websites. Is the problem still there?
It was even worse. The video was frozen and no voice.
I do not know how to check the links in Shockwave. Can you give me instructions.
I recently updated Adobe flash player to 23 NPAPI and to Reader DC
Comcast tells me that the Xfinity TV app works on their end with Mozilla Firefox. Have told me just to use Chrome or Microsoft Edge. This is not what I want to do but may be forced to accept it.
rickgross35 said
I do not know how to check the links in Shockwave. Can you give me instructions.
FredMcD said
If you have problems with current Shockwave Flash plugin versions then check this:https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration
- see if there are updates for your graphics drivers
https://forums.adobe.com/message/4468493#TemporaryWorkaround
- disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later)
https://forums.adobe.com/thread/891337 See also:
- disable hardware acceleration in the Flash plugin
I have looked and cannot find how or where to disable hardware accelerator. All flash is up to date. They are a plug ins in my version of Firefox (the latest for Windows 10
Type about:preferences#advanced<Enter> in the address bar.
Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.
Poke around safe websites. Are there any problems?
Didn't help, but thank you.
I've called for more help.
Thank you.
FYI the app, Xfinity TV also works on my Galaxy Note 5