@Substring Hi i have here on this link my support archive, i hope you can help me. Thank a lot. Support archive link: http://www108.zippyshare.com/v/OoQN3Eqs/file.html

Thank you!

in google search you are link to find good romset : romset arcade mame 0.78 non-merged.

You only need it if you're scraping games. I would suggest using this to scrape your games from desktop and then transferring the gamelist.xml and stuff over.

Sounds like the same problem I was having, caused by not having an L1/R1 button configured - see here http://blog.recalbox.com/forums/topic/official-recalbox-4-0-0-beta-thread/page/8/