Solved! HDMI won’t work on my tv

Nov 3, 2018
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My tv won’t acknowledge that I have an HDMI plugged in. I have one connected to my computer and one connected through a chrome cast and the tv won’t show either. It keeps saying “no source”. I’ve tried only having one plugged in at a time and I’ve tried going through every input for both of them. My tv used to do both of them just fine and is just now not letting me and I can’t think of anything that I’ve done differently. Thanks in advance!
 
Update from OP via PM:

Hey, I’m so sorry. I can’t figure out how to reply to your comment on my question. But the HDMI for the computer is different than the HDMI that goes through the chrome cast and they both just suddenly stopped working. And the TV, all I know is that it’s a Westinghouse. I’m pretty sure it’s a 55’ and it’s flat."