I followed the method of @paradadf
Worsened my problem, locked on the screen that speaks of the bugfixes with nes 30 controller, my controller xbox 360, snes 30 and keyboard did not work in any way, I am disassembling my snes, to be able to format the microsd and I will download version 4.0.1 direct to see.
https://github.com/recalbox/recalbox-os/issues/1196
@acris Before the upgrade until I backup, but I have not restored them, I will see this