Yes, you can operate the RGB fans without connecting an ARGB plug.
Yes, you can operate the RGB fans without connecting an ARGB plug.
You built your PC with the H5 Flow RGB setup and everything else is functioning properly. The issue seems to be with the ARGB female cable. Your ASRock B750M-H/M2 motherboard doesn’t have an ARGB male port, so you’ll need to use a different cable or adapter that matches the port type on your motherboard.