Zenith TV. Comes on but no picture

[Jna_1991]

Hello, I am trying to use a hdmi converter with my Zenith TV. I have tried two now and still no picture. I'm thinking at this point something is off with the TV. I have no experience with this age of TV and hoping someone can point me in the right direction. I have googled a lot and found nothing until someone recommended video karma.

For some reason it will ot let me search the forum so if this has been covered I apologize.

Model looks like 21817LZ it is partially cut off so I am not 100% that is correct. I am trying to figure out how to resize the photos. I'll add a link to my Google drive. I tried to look for the rules again but couldn't find them. Hope this is allowed.

https://drive.google.com/drive/folde...ZPNjmhaN6wecuv