Every time I boot a new pi I always attach a keyboard mouse combo to it. It allows me to navigate easier. When I have a problem with BT controller too. I sometimes run into an issue setting a controller up where wrong button was pushed and won't change back or something. I'll use my keyboard and mouse combo to navigate to controller settings and map it again.

On keyboard
A, S keys work as A, B buttons
Arrow keys are direction pad.
Enter is start
Space is select
Page up, Page down are R, L

On mouse in menus
Left click is select option
Right click is back

Hey everyone...I was installing some new rims and updating game lists and just looking around at consoles and such and I don't know what I did but every time I move left or right in selection carousel the music mp3s changes song every time I press the pad. How do I fix this? Thanks in advance

@Louis-0 idk if we have same issue but I have an optiplex 9020a. I use a USB hard drive to load up recallbox. It brings up a menu with two recalbox os. The first one just sits there with black screen. I've even waited an hour just in case it was being slow. I found that it only loads with the second option. Once I've had it load once I shut it down in the menu then put it internally in my optiplex. For some reason it will only boot when external first start. Then boots up fine after that with the second option. It will still sit there in a black screen with first recalbox option selection