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Troubleshooting
• Is the serial port selected correctly?
It is possible that the serial port (COM port) you selected in the Roland Serial MIDI Driver Settings
dialog box is being used by another device, or has not been detected by the system.
Connect the SD-20 to a different serial port, and change the settings appropriately. ->"Settings and
checking" (p. 38)
• Are the track outputs set correctly?
MIDI tracks to which no MIDI playback device is assigned will not be heard. If you want to play
back a MIDI track, you must make sure that the MIDI device you want to use is displayed in your
software as the MIDI output port. For details, refer to the owner’s manual for your software.
Deleting the driver
If you were unable to install the driver according to the procedure given, the SD-20 may not be
recognized correctly by the computer. In this case, use the following procedure to delete the driver,
and then follow the procedure in “Getting Connected and Installing Drivers” (Windows, p. 16;
Macintosh, p. 42) to install the driver once again.
Windows XP/2000 users
In order to delete (uninstall) the driver, a user with administrative privileges such as
Administrator must be logged onto Windows. For details, contact the system administrator of
your computer.
1. With all USB cables disconnected, start Windows. (USB keyboard and USB mouse excepted)
2. Log on to Windows as a user with administrative privileges (such as Administrator).
3. After connecting the SD-20 to your computer via a USB cable, turn on the power of the SD-20.
4. Exit all applications before deleting the driver.
5. Open the Control Panel, and double-click System.
6. Click the Hardware tab, and in the “Device Manager” area, click [Device Manager].
7. Double-click “Sound, Video, and Game Controllers” to view the list of devices.
8. From the list, click “EDIROL SD-20” to select it. Then right-click, and from the menu that
appears, select “Delete.”
* If “EDIROL SD-20” does not appear in the list, refer to the "Can’t install/delete/use the driver
in Windows XP/2000" (p. 60) in “Troubleshooting.”
9. A dialog box will ask you to confirm that you want to delete the device. Verify the contents of
the dialog box, and click [OK].
10.Close the Device Manager window, and click [OK] in System Properties.
11.Disconnect the USB cable from the SD-20.
12.Restart Windows.
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