Cannot Select The Um-1 Device (Roland Um-1 Midi) - Edirol UM-1 Owner's Manual

Is the UM-1 MIDI device name displayed?
If the device name is not displayed, exit all applications that are using the UM-1, and re-
connect the USB cable of the UM-1.
If this does not solve the problem, use the procedure described in "Tried other
troubleshooting tips but the UM-1 still does not work" (p. 30) to delete the driver, and then
use the procedure described in "Installing the USB MIDI Driver" (p. 15) to re-install the
driver.
The "Add New Hardware Wizard" is displayed during the installation procedure.
Use the following procedure to re-install the driver.
1.
Click the [Cancel] button.
2.
Disconnect the USB cable of the UM-1.
3.
Re-start Windows.
4.
Install the driver as described in "Installing the USB MIDI Driver." (p. 15)
The "Insert Disk" dialog box is not displayed in "Installing the USB MIDI Driver."
(p. 15)
The following situations are possible.
* Refer to 'Does the "Device Manager" show "? Composite USB Device," "? USB Device,"
"! USB Device," or "USB Composite Device"?' (p. 28)
* Refer to 'Does the "Device Manager" show a yellow "!" or red "x" for the "Roland UM-1
USB Driver"?' (p. 29)
* Was the driver deleted completely? Delete the driver as described in "Tried other
troubleshooting tips but the UM-1 still does not work" (p. 30), and re-install the
driver as described in "Installing the USB MIDI Driver." (p. 15)
* Are your computer supplying sufficient current?
If insufficient current is being supplied to the UM-1, connection is not possible.

Cannot select the UM-1 device (Roland UM-1 MIDI)

Was the driver installed correctly?
Check the driver as described in "Check with the driver installed on the computer." (p. 28)
30
•The power conservation mode settings of your computer may be limiting the
current supplied to the USB, so check these settings.