Sorry everyone, I should probably have said that I had pretty much exhausted all soft options and would need a hardware one.

On a dead unit I dont mind heating up and trying to melt the glue on the screen to change the cheap (internal) cable and port but wanted to poll opinions on whether THIS scary repair is likely needed

https://www.youtube.com/watch?v=IdyIQYrOrHQ&t=418s
or
https://www.youtube.com/watch?v=Fgfzwbl5wU4