Depending on how you access your device, the configuration files are located in specific directories:

Want to ensure your web-based file manager or SSH access is always on?

Here are the main config files and their features:

ee_videomode=1080p60hz : Sets the output resolution (common fix for black screens).

/storage/.config/retroarch/retroarch.cfg Purpose: Core emulator settings used by most systems in EmuELEC.

cp /storage/.config/emuelec.conf /storage/.config/emuelec.conf.bak