Yamaha Tyros4 Installation Manual - Page 5
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Troubleshooting
The driver cannot be installed.
• Is the USB cable connected correctly?
→Check the USB cable connection.
→Disconnect the USB cable, then connect it again.
• Is the USB function enabled on your computer?
→When you connect the instrument to the computer for
the first time, if the "Add (Found) New Hardware Wizard"
or "Found New Hardware" window does not appear, the
USB function on the computer may be disabled. Perform
the following steps.
1 Select [Control Panel]* → [System] → [Hardware] → [Device
Manager] (for Windows XP), or select [Control Panel]* → [Device
Manager] (for Windows Vista/7).
* Classic View only.
2 Make sure that no "!" or "x" marks appear at "Universal serial
bus controller" or "USB Root Hub." If you see an "!" or "x" mark,
the USB controller is disabled.
• Is any unknown device registered?
→If driver installation fails, the instrument will be marked as an
"Unknown device," and you will not be able to install the driver.
Delete the "Unknown device" by following the steps below.
1 Select [Control Panel]* → [System] → [Hardware] → [Device
Manager] (for Windows XP), or select [Control Panel]* → [Device
Manager] (for Windows Vista/7).
* Classic View only.
2 Look for "Other devices" in the menu "View devices by type."
3 If you find "Other devices," double-click it to extend the tree to
look for "Unknown device." If one appears, select it and click the
[Remove] button.
4 Remove the USB cable from the instrument, and make the
connection again.
5 Install the driver again. (See page 3.)
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, playback 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 web site (page 3).
Playback response is slow.
• Does your computer satisfy the system requirements?
• Is any other application or device driver running?
Cannot suspend or resume the computer correctly.
• Do not suspend the computer while the MIDI application is
running.
How can I remove the driver?
[Windows XP]
1
Disconnect all USB devices from the computer 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 ([Settings]
→
[Add or Remove Programs] to display the Add or Remove
Programs panel.
4
Click "Change or Remove Programs" located in the upper
left, then select "Yamaha USB-MIDI Driver" 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 computer 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 [Uninstall a program] to display
the "Uninstall or change a program" window.
4
Select "Yamaha USB-MIDI Driver" 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.
Tyros4 Accessory CD-ROM Installation Guide
→
) [Control Panel]
→
5