Secret function left my screen black

[Delibirb77]

restarted the console normally

How exactly did you do this? Via the safe restart shortcut I hope:

When Should I Use The Reset Button?

What does the reset button do? The reset button is hardwired to cut all power to the system instantly and does not allow muOS to safely close anything currently running. This is like pulling the plug from your PC while it is still running, and is likely to cause corruption of important files. This may not become apparent until much later when your device starts exhibiting weird behaviours. Because of this, it should only ever be used as a last resort. What should I do instead to minimise corru…