Roland UM-3EX Owner's Manual page 52

Deleting the Driver
If you were unable to install the driver according to the procedure given, the UM-3EX may not be
recognized correctly by the computer. In this case, use the following procedure to delete the
driver, and then follow the procedure to install the driver once again.
Windows users
1. Start up Windows with the UM-3EX disconnected.
Disconnect all USB cables other than a USB keyboard or USB mouse.
* If you are using Windows XP Professional/2000, log on as a user that has administrative privileges (e.g.,
Administrator).
2. Insert the CD-ROM into the CD-ROM drive of your computer.
3. From the Windows Start menu, choose Run....
In the Run dialog box, input the following into the Open field, and click [OK].
Windows XP/2000 users:
Windows Me/98 users:
* The drive name is D: in the example shown here, but may be different on your system. Use the drive
name for your CD-ROM drive.
4. Follow the on-screen instructions to uninstall the driver.
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D:\Driver\XP2k\Uninstal.exe
D:\Driver\Me98\Uninstal.exe