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Troubleshooting
Troubleshooting
An “Unknown driver found” dialog box appears, and you are
unable to install the driver
”Find new hardware wizard” does not execute automatically
”Find new hardware wizard” ends before the process is
completed
• It may take about 15 seconds (or more) after the USB cable is connected for the XV-2020 to be
detected.
• Is the USB cable connected correctly?
Make sure that the XV-2020 and your computer are correctly connected via a USB cable.
• Is USB enabled on your computer?
Refer to the operation manual for your computer, and make sure that USB is enabled.
• Does your computer meet the USB specifications?
If you are using a computer that does not fulfill the electrical requirements of the USB specifications,
operation may be unstable. In this case, you may be able to solve the problem by connecting a USB hub.
• Does “Unknown device” appear for “Other device” or “Universal serial bus controller”?
Use the following procedure to delete “Other device” (Universal Serial Bus Controller) “Unknown
device,” and then restart your computer.
1. In the Windows Control Panel, double-click System. The System Properties dialog box will appear.
2. Click the Device Manager tab. For Windows XP/2000, click the Hardware tab, and then click the
[Device Manager] button.
3. Double-click “Other device” or “Universal Serial Bus Controller” to display a list of devices.
4. From the list, select the unknown device and click [Delete].
5. In the dialog box that asks you to confirm the deletion, click [OK].
6. Verify that “Other device” or “Unknown device” is not displayed in the list, and click [Close] to close
the dialog box.
”Found unknown device” appears even though you installed the
driver
If your computer or USB hub has two or more USB connectors, and you connect the XV-2020 to a USB
connector to which the XV-2020 has never been connected before, the “Unknown device” dialog box may
appear even on a computer onto which you have already installed the driver.
Refer to “Installing & Setup the Driver (Windows) (p. 13)”, and install the driver once again. This is not a
malfunction.
Can’t install/delete/use the driver in Windows XP/2000
• Did you log on to Windows as a user with administrative privileges?
In order to install/delete/re-install the driver in Windows XP/2000, you must be logged into Windows as
a user with administrative privileges, such as Administrator. For details, please contact the system
administrator for your computer system.
• Did you make “Driver signature settings”?
In order to install/re-install the driver, you must make “Driver Signing.”
(Windows XP -> p. 14, Windows 2000 -> p. 17)