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Screensaver activates during full screen playback

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When I watch HBO Go (Silverlight 5.1.41212.0 plug-in) on Firefox 46.0.1 in full screen, mouse cursor doesn't disappear and after a few minutes screensaver activates, so I have to move the mouse to continue watching. Solution?

When I watch HBO Go (Silverlight 5.1.41212.0 plug-in) on Firefox 46.0.1 in full screen, mouse cursor doesn't disappear and after a few minutes screensaver activates, so I have to move the mouse to continue watching. Solution?

All Replies (3)

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Screensaver should be auto disabled when watching a clip.

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?

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Yes, still there in safe mode.

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I've called the big guys to help you. Good luck.