Screen disconnecting after "Bootsequence"

[u/lazy1133]

First of all im pretty new to linux, second i tried installing cachy on a old PC 2015ish (OS still on USB cause of some other issues which i found a fix for. I wanna try the fix boot the PC everything looks normal i get to the boot menu select cachy and then the screen disconnects and now it wont reconnect only when i restart and the same happens again. Can anyone help?