Put Roms in arcade folder
You can do a \\retropie\roms from your computer or do \\retropi IP address\roms
sudo alsactl store = saves alsa volume settings
alsamixer = brings up the mixer to change the volume
speaker-test -c2 --test=wav -W /usr/share/sounds/alsa -w Front_Center.wav = plays test file to test the sound
In Sound Settings Audio card = DEFAULT
Audio Device = HEADPHONE ;if using Headphone jack on Pi if HDMI use HDMI
OMX PLAYER Audio Device = Both
Disable the emulator launch script if you keep hitting a button to configure the game rom mame version.
1st. Retropie Setup
2nd. Configuration/ Tools
3rd. Scroll to runcommand
4th. Disable Launch menu
5th. Then exit