Troubleshooting

For the included software

The driver cannot be installed.

Is the USB cable connected correctly?

Check the USB cable connection.

Disconnect the USB cable, then connect it again.

Windows

Is the USB function enabled on your computer?

When you connect the MIDI instrument to the computer for the first time, if the “Add New Hardware Wizard” does not appear, the USB function on the computer may be disabled (see page 73). Perform the following steps.

1Select [Control Panel] [System] [Device Manager] (for Windows 98/Me), or select [Control Panel] (Windows XP: Classic View) [System] [Hardware] [Device Manager] (for Windows 2000/XP).

2In the Device Manager, make sure that the marks “!” and “x” are NOT shown for the “Universal Serial Bus control- lers” or “USB Root Hub” (nested within “Universal Serial Bus controllers”). (Make sure that “Device by type” is selected in the View menu for Windows XP/2000. In Win- dows 98/Me, click the “View devices by type” radio button at the top.) If you see an “!” or “x” mark, the USB controller is disabled. For more information, refer to the owner’s manual of your computer.

Windows

Is any unknown device registered?

If driver installation fails, the MIDI 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.

1Select [Control Panel] [System] [Device Manager] (for Windows 98/Me), or select [Control Panel] (Windows XP: Classic View) [System] [Hardware] [Device Manager] (for Windows 2000/XP).

2Check for an “Other device” in the Device Manager. (Make sure that “Device by type” is selected in the View menu for Windows XP/2000. In Windows 98/Me, click the “View devices by type” radio button at the top.)

3If 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.

4Remove the USB cable from the MIDI instrument, and make the connection again.

5Install the driver again. See page 73.

When controlling the MIDI instrument from your computer via USB, the MIDI instrument does not operate correctly or no sound is heard.

• Did you install the driver?

Windows users

See page 72.

Macintosh users

See page 74.

Is the USB cable connected correctly?

Are the volume settings of the tone generator, 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 following web site. http://www.yamahasynth.com/

Playback response is delayed.

Does your computer satisfy the system requirements?

Is any other application or device driver running?

Macintosh

Turn off virtual memory.

Disable AppleTalk.

Cannot suspend or resume the computer correctly.

Do not suspend the computer while the MIDI application is run- ning.

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 con- necting the USB cable will allow you to use the MIDI instrument functions again.

How can I delete or re-install the driver?

Windows Me/98

1 When the MIDI instrument is recognized correctly, double- click “System” in the Control Panel to open the System window.

2 Double-click the “Device Manager” tab, select “YAMAHA USB MIDI Driver” and delete it.

3 Use the MS-DOS prompt or Explorer to delete the following three files.

\WINDOWS\INF\OTHER\YAMAHAMIDI instrument.INF

\WINDOWS\SYSTEM\Xgusb.drv

\WINDOWS\SYSTEM\Ymidusb.sys

NOTE

To delete the above files using Explorer, select “Folder Options” from the Tool (View) menu, and select “Show all files (and folders).”

4 Disconnect the USB cable.

5 Restart the computer.

6 Re-install the driver (see page 72).

Macintosh

1 Delete the files in the following locations:

[System Folder] [Control Panels] [YAMAHA USB MIDI Patch]

[System Folder] [Extensions] [USB YAMAHA MIDI Driver]

[System Folder] [OMS Folder] [YAMAHA USB MIDI OMS Driver]

2 Restart the computer.

3 Install the driver (see page 74) and set up OMS (see page 75).

PSR-K1 Owner’s Manual

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