Reply To: [SOLVED] Hotkeys configuration : Switch the shaders ingame (Retropie v.3b4)

[Floob]

Try changing
input_enable_hotkey = nul
to
input_enable_hotkey = alt

in your
/opt/retropie/configs/all/retroarch.cfg

Then in game, hold “select” and check “m” and “n” work to change shader.