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Troubleshooting (FAQ)
■ Playback response is delayed.
• Does your computer satisfy the system requirements? (page 8)
• 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 running.
■ How can I remove or re-install the driver?
• [Windows 98]
1. When the UX256 is recognized correctly, double-click “System” in the Con-
trol Panel to open the System window.
2. Double-click the “Device Manager” tab, select “YAMAHA USB MIDI
Driver” and remove it.
3. Use MS-DOS prompt or Explorer to remove the following three files.
To delete the files from Explorer, from the [File] menu, select
[View | Folder Options], then select “Show all files.”
\WINDOWS\INF\OTHER\YAMAHAYMIDUSB.INF
\WINDOWS\SYSTEM\Xgusb.drv
\WINDOWS\SYSTEM\Ymidusb.sys
4. Turn off the power to the UX256 and remove the USB cable.
5. Restart the computer.
6. Re-install the driver according to the instructions on page 14.
• [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. Re-start the computer.
3. Install the driver (page 18) and set up OMS (page 20).
■ Wish to use the UX256 in MIDI-supported games.
• [Windows 98]
1. Double-click
“Multimedia” in the Control Panel.
2. Click the “MIDI” tab and select the driver according to the port number of
the connected tone generator. (page 17)
■ Wish to use the UX256 with a Windows NT machine
• Windows NT 3.x or 4.0 does not support USB.
NOTE