Roland GT-PRO Owner's Manual download pdf (Page 146)

146

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.

❏ Did you make “Driver Signing Options”?

→ In order to install/re-install the driver, you must make

“Driver Signing Options.”

(Windows XP → p. 111, Windows 2000 → p. 114)

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. 111, Windows 2000 → p. 114)

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

GT-PRO to your computer, and turn on the power of

the GT-PRO.

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].

7. 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.

If you find BOSS GT-PRO with a yellow “!” or a red “?”

displayed beside it, delete this in the same way.

8. When you have finished deleting the unwanted

devices, click [OK] in the System Properties dialog box.

9. Turn off the power of the GT-PRO, then delete the

driver. (→ “Deleting the Special Driver” (p. 151))

10. Restart Windows.

Then install the driver once again. (→ “Driver

installation and settings (Windows)” (p. 110)).

* If the problem still occurs after you have taken the above

measures, please refer also to the Readme_E.htm file for the

USB driver. The Readme_E.htm file is on the CD-ROM.

A dialog box says “Can’t use driver

required by USB device ‘BOSS GT-PRO’”

❏ [Special driver mode] Are you using only audio?

→ You must install the MIDI driver even if you are using

the GT-PRO only with audio. Please install the GT-PRO

driver for OMS or FreeMIDI.

(→ “Installing the Special Driver” (p. 127))

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Roland GT-PRO Owner's Manual Page 146

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