Set this to 'orG' to use a Roland USB driver, or set it to 'GEn' to use the built-in / generic MIDI driver on your computer. Use DEC/INC buttons to specify the desired USB MIDI driver type.Generic: This setting does not require a Roland USB driver, so it is useful for operating systems for which a Roland driver is not available.Original: This setting requires that a Roland USB driver be installed in your computer to work properly.PCR Driver Version 1.0. The PCR-300/500/800 normally requires that a. Press ENTER on more time to return to Play mode. Set this to 'on' to use a Roland USB driver, and set it to 'off' to use the built-in / generic MIDI driver on your computer. Use the VALUE knob to specify the desired USB MIDI driver type. If you do not have a Roland driver, or have an operating system that is not supported, you can set the PCR keyboard to use the MIDI driver that is built into your computer's operating system (for instance, Core MIDI on Mac OSX). Click Run anyway Skip Step 1 If your PC is not connected to the internet. Updated Follow The PCR-M30/50/80 MIDI Controller Keyboards normally require that a Roland USB driver be installed on your computer to be able to communicate correctly. Use the VALUE knob to select SY10, and press ENTER. The PCR-M30/50/80 MIDI Controller Keyboards normally require that a Roland USB driver be installed on your computer to be able to communicate correctly. For me, I used this method: 1) hold the Shift key while restarting Windows, then 2) select Troubleshoot, then 3) select Advanced Options, then 4) select Startup Settings, then 5) select Disable Driver Signature Enforcement, then 6) boot the computer with drivers signature enforcement disabled, then 7) install the.