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Level 7

Roku TV closed captioning not working



I'm using an Insignia Roku TV (listed in the system screen as 7303X, model number NS-55DR620NA18) running software version 9.2.0 build 4502-31.  I cannot get closed captioning to work on any channel coming in through my HDMI source (cable box from Spectrum).  Wondering if there's an issue with the TV software, or if Spectrum is my problem.  (My mother is also on Spectrum, and her captioning works perfectly.)



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