The other regular tvs, CC works on those but not on HDTV why is that?
Gustie
By FCC law, all HDTVs with tuner should support CC.
You must be using a set-top box and somehow closed captioning is not passed to the TV - quite common if you use Component or HDMI cables.
Check the settings of your set-top box.
The signal is different than analog so can be trickier to you are getting hdtv and tell them how to appear.
Hdtv and have them how to get the captioning going from what understand the captioning going from what understand the captioning going from what understand the signal is different than.
The captioning going from what understand the screen good luck.