Soundbar is connected to Samsung Q70T (both recently purchased). Soundbar is connected to TV via eARC HDMI. Connection and sound output are solid. All of the sudden, the display on soundbar doesn't work. No illumination whatsoever, unable to adjust mode, settings, woofer level, etc. without going into TV settings. Similarly, unable to update to available firmware update (no way to navigate input, etc. without display). Coincidentally, I tried unplugging from power strip / surge protector and directly into wall outlet - and the display came back for a short time.
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