Roland GR-540 User Manual page 370

Uninstalling the Driver
(Windows 10)
To uninstall the driver, follow the procedure below.
Procedure
Switch off the machine, and then disconnect the connector cable
between the computer and the machine.
Log on to Windows as the computer's administrator.
Right-click the Start menu, click Control Panel, and then click Uninstall a
program.
Select the driver of the machine you want to delete by clicking it, and
then click Uninstall.
A deletion confirmation message appears. Click Yes.