@Nyovelt said in Black Screen:

I have given it up

Oh no, you should never give up. I’m sorry to hear that.

Do you want to make one last attempt? It won’t take you very long. Less than 30 minutes! Most people have had success this way.

https://forum.magicmirror.builders/topic/5274/how-to-manually-install-mm-on-your-pi-for-absolute-beginners