For Macintosh
1. Disconnect all USB devices from the computer except for the mouse and com-
puter keyboard.
2. Start the computer and use the "Administrator" account to log on Windows.
Close all applications and windows that are open.
3. Delete the following files.
→
• "User"
"Your user folder"
MIDIDriver.plist" (This file is created after the driver is loaded.)
→
• "Library"
"Audio"
→
• "Library"
"Preference Panes"
→
• "Library"
"Receipts"
→
• "Library"
"Receipts"
4. Restart the computer.
→
"Library"
→
→
"MIDI Driver"
→
"YAMAHAUSBMIDIPatch.prefPane"
→
"YAMAHA-USBMIDIDriver.pkg"
→
"YAMAHA-USBMIDIPatch.pkg"
21
→
→
"Preferences"
"YAMAHAUSBMIDIDriver.plugin"
"jp.co.yamaha.USB-