Hi
if it's only happening on YouTube then this is common due to the excessive bass and low quality recording that some videos have
if it's present on all sources then try a reboot by pulling the plug for a few minutes
if that doesn't work then I'm afraid you may need to contact sky to arrange a replacement unit if under warranty
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43inch and 55 inch Sky Glass & 3 Pucks on virgin media M350 hub 5x. 4 x sky mobile sims. Pretend guitar aficionado .. rock on!
