You know, it became really rare that I read an article with more than 30 lines carefully and completely but I felt like this one deserved it, because in some ways, you needed to share your pain and it also looked like you needed some advice on what to do. It was just a sincere and plain share.
My dad is not a gamer…

Booting from an external drive was already possible with berryboot, the berryboot utility is installed on my SD Card but all other OS are on an external USB HDD