Use the following procedure to change the internal USB driver settings:
1. Press the Function button.
2. Press the Reverb button.
3. While holding down the Reverb button, use the - / + buttons to set the display to "USb."
4. Press the - / + buttons to change the USB driver.
NOTE: Set to "GEn" if you want to use the generic driver that is pre-installed in your computer.
Set to "OrG" if you are going to install the Roland USB driver that you have downloaded from the RolandUS website.
5. After making your selection, turn the power off, then on again. The new USB setting will be saved in the internal memory.