Edirol UA-20 User Manual
68
Troubleshooting
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.
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 Signing Options”?
In order to install/re-install the driver, you must make
“Driver Signing Options”
.
(
Windows XP
➝ p. 18,
Windows 2000
➝ p. 24)
Windows XP/2000 displays a “Hardware Installation” or
“Digital Signature Not Found” dialog box
•
Did you make “Driver Signing Options”?
In order to install/re-install the driver, you must make the settings described in
“Driver
Signing Options”
.
(
Windows XP
➝ p. 18,
Windows 2000
➝ p. 24)
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).
cables disconnected (except for keyboard and mouse).
2.
After Windows restarts, use a USB cable to connect the UA-20 to your
computer.
computer.
3.
Click the Windows
[Start]
button, and from the menu that appears, choose
Settings
|
Control Panel
.
4.
Double-click the
System
icon. The
System Properties
dialog box will
appear.
5.
Click the
Device Manager
tab.
6.
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]
.