Hello meleu and thank you for your reply.
I have reinstalled the software, which works, but now have a problem loading the roms via a USB pen drive.

The roms do not show up and no sign of the emulators.

Best wishes,

Listener

@ebtalk about 8-9 seconds, 5500 roms, carbon-nometa theme, rpi3b

@billybag No problem dude. We are here as a community to help and only direct people to the wiki as otherwise we'd be answering the same questions over and over that are already documented.

Hi everybody :)

I have find little of i want make :p ...

I have past my command line in rc.local

Now, i try to found the file command for controlblock shuting down to put this line :
gpio write 21 0

But can't find them :/

If you have an idea , you are my hero ! :D

Thx in advance.

@flop said in running roms from sd card:

I think I didn´t understand your question well or you get confused with the guide and the method of copy games in rpi.

Your posted link shows you to run/load games FROM the usb; but for you want to do read this:

https://github.com/retropie/retropie-setup/wiki/Transferring-Roms

Format your SD and re-install retropie, then use one of the methods described in that link.

i can transfer roms to my pi just fine. what im trying to do is have the roms run off of my flash drive as i have more roms than my small 8 gig sd card can hold and i cant add any more roms at all. i have a 128 gig flash drive that im trying to get the roms to run off of.
i did everuthing in the guide that i originally posted and double checked that my UUID was right for my usb drive. but i get a popup when i boot emulationstation on saying we cant find any systems check that your paths are correct in the systems configuration file, and your game directory has at leas one game with the correct extension.