Mirroring Galaxy S5 G900T1 shows black screen on Netflix after rooting

Hi my name is Bill. I purchased a screen mirroring stick called (castpro) i use it with my Galaxy S5 G900T1. Before rooting it everything worked fine with netflix, but after rooting it netflix shows black screen, I see the title bars and play bar and hear the sound but no picture on screen. But everything else works I get pictures on YouTube and other video players, need help:( for this problem I would really appreciate it

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