Kenwood XV-2020 - Manual (Page 114)

114
Troubleshooting
Windows XP/2000 displays a “Digital signature was not found”
dialog box
• Did you make “Driver signature settings”?
In order to install/re-install the driver, you must make the settings described in “ Driver Signing .”
(Windows XP -> p. 14, Windows 2000 -> p. 17)
Device Manager shows “?”, “!”, or “USB Composite Device”
The “Insert Disk” dialog box does not appear
Use the following procedure to re-install the driver.
1. Turn off the power of your computer, and start up Windows with all USB cables disconnected (except for
keyboard and mouse).
2. After Windows restarts, use a USB cable to connect the XV-2020 to your computer.
3. Turn on the power of XV-2020.
4. Click the Windows [ Start ] button, and from the menu that appears, choose Settings | Control Panel .
5. Double-click the System icon. The System Properties dialog box will appear.
6. Click the Device Manager tab.
7. Check whether you can see an indication of “ ?Composite USB Device,?USB Device,!USB Device, ” or
“ USB composite device ” displayed below “ Sound, Video, and Game Controllers, Other Devices, ”
or “ Universal Serial Bus Controller .” If you find any such indication, select it and click [ Delete ].
8. A dialog box will ask you to confirm deletion of the device . Verify the contents of the dialog box, and
then click [ OK ]. In the same way, delete all indications of “ ?Composite USB Device ,” “ ?USB Device ,”
“ USB Device ,” and “ USB composite device ” that you find.
9. If you find ROLAND XV-2020 USB Driver with a yellow “ ! ” or a red “ ? ” displayed beside it, delete this in
the same way.
10. When you have finished deleting the unwanted devices, click [ OK ] in the System Properties dialog box.
11. Turn off the power of the XV-2020, then delete the driver. “Deleting the USB MIDI Driver (p. 23)”.
12. Restart Windows. Then install the driver once again.”Installing & Setup the Driver (Windows) (p. 13).”
Operating system becomes unstable
• Operation becomes unstable when the computer is started up with the XV-2020 already
connected
Please start up your computer with the XV-2020 disconnected, and then connect the XV-2020. On a
computer that uses a USB keyboard, starting up the computer with the XV-2020 already connected may
cause operation to become unstable. In this case, start up the computer with the XV-2020 disconnected,
and then connect the XV-2020.
No sound
• Have you specified the MIDI data output destination in your operating system?
On your computer, you will need to specify the XV-2020 as the output destination for MIDI data. For
details on how to make this setting, refer to Settings and checking.
(Windows -> p. 21, Macintosh -> p. 26, p. 29)
• Have you specified the audio data output destination for your playback software?
Depending on your software, you may need to once again specify the XV-2020 as the MIDI data output
destination. For details on this setting, refer to the operation manual for your application.