Features, settings & updates

Help configuring Roku device settings, using Roku OS features such as screen mirroring, adjusting display type and audio settings, using Guest Mode, and assistance with software updates.
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Level 7

Streambar flashes line of green squares across middle of screen

Occasionally when device is turned on, a line of square green boxes (some partially enclosed) flashes across middle of tv screen.  It stops only if I unplug streambar and replug.  Very annoying.

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