In that case there is probably not so much you can do: as it's not a Wii you don't have the boot exploit so you don't have a way to start homebrews for installing missing IOSes.How would I post a sysCheck? And idk know how to even access whatever Homebrew or hack the previous owner had..
--------------------- MERGED ---------------------------
Right when I open it, it goes completely black and I have to restart the Wii U..So it's probably completely broken.
Also, as far as I know, the vWii don't accept fakesigned IOSes so, as you don't have a backup, you can't do nothing.
I'm sorry












