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When controlling the instrument from your
computer via USB, the instrument does not
operate correctly or no sound is heard.
• Did you install the driver? (page 3)
• Is the USB cable connected correctly?
• Are the volume settings of the instrument, play-
back device, and application program set to the
appropriate levels?
• Have you selected an appropriate port in the
sequence software?
• Are you using the latest USB MIDI driver? The
latest driver can be downloaded from the follow-
ing web site.
http://music.yamaha.com/download/
Playback response is delayed.
• Does your computer satisfy the system require-
ments?
• Is any other application or device driver run-
ning?
Cannot suspend or resume the computer cor-
rectly.
• Do not suspend the computer while the MIDI
application is running.
If you are using Windows 2000, you may not be
able to suspend/resume normally, depending on the
particular environment (USB Host Controller, etc.).
Even so, simply disconnecting and connecting the
USB cable will allow you to use the instrument
functions again.
6
Accessory CD-ROM for Windows Installation Guide
How can I remove the software?
[Windows 2000/XP]
1
Disconnect all USB devices from the com-
puter except for the mouse and keyboard.
2
Start the computer and log on to the
Administrator account.
Exit from any open applications and close all
open windows.
From the [Start] menu, select ([Settings] )
3
[Control Panel] [Add or Remove Pro-
grams] to display the Add or Remove Pro-
grams panel.
4
Click "Change or Remove Programs"
located in the upper left, then select
"Yamaha USB-MIDI Driver" or "Yamaha
Musicsoft Downloader" from the list in the
right panel.
5
Click [Remove].
A dialog box appears. Follow the instructions to
remove the software.
[Windows Vista/7]
1
Disconnect all USB devices from the com-
puter except for the mouse and keyboard.
2
Start the computer and log on to the
Administrator account.
Exit from any open applications and close all
open windows.
3
From the [Start] menu, select the [Control
Panel] [Programs and Features] or [Unin-
stall a program] to display the "Uninstall or
change a program" window.
4
Select "Yamaha USB-MIDI Driver" or
"Yamaha Musicsoft Downloader" from the
list.
5
Click [Uninstall].
If the "User Account Control" window appears,
click [Allow] or [Continue].
A dialog box appears. Follow the instructions to
remove the software.
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