76
Troubleshooting
033
If you were unable to install the driver according to the procedure given, the PC-50 may not be
recognized correctly by the computer. In this case, use the following procedure to delete the driver,
and then follow the procedure to install the driver once again.
■

Windows users

Here’s how to uninstall the dedicated driver.
1.
Start up Windows with the PC-50 disconnected.
Disconnect all USB cables other than a USB keyboard or USB mouse.
* If you are using Windows XP Professional/2000, log on as a user that has administrative privileges (e.g.,
Administrator).
2.
Insert the CD-ROM into the CD-ROM drive of your computer.
3.
From the Windows Start menu, choose
“Run....”
In the Run dialog box, input the following into the Open field, and click
[OK]
.
Windows XP/2000 users: D:\Driver\XP2k\Uninstall.EXE
Windows Me/98 users: D:\Driver\Me98\Uninstall.EXE
* The drive name
D
: may be different on your system. Use the drive name for your CD-ROM drive.
4.
Follow the on-screen instructions to uninstall the driver.
■

Macintosh (Mac OS X) users

1.
Start up Macintosh with the PC-50 disconnected.
Disconnect all USB cables other than a USB keyboard or USB mouse.
2.
Double-click
“PC50_Uninstaller.”
3.
The display will indicate
“This uninstalls EDIROL PC-50 driver from this Macintosh.”
; click
[Uninstall]
.
* If any other message appears, proceed as directed by that message.
4.
The display will indicate
“Are you sure to uninstall the driver?”
; click
[OK]
.
5.
The
“Authenticate”
dialog box will appear; enter the password and click
[OK]
.
6.
The display will indicate
“Uninstllation is completed.”
; click
[Restart]
. Your computer will
then restart.
■

Macintosh (Mac OS 9) users

1.
Turn off the power of the PC-50.
Also disconnect the USB cable (by which the PC-50 is connected) from your Macintosh.
2.
From the system extensions folder, drag
“USB PC-50 Driver”
into the trash to delete it.
3.
Delete PC-50 from the OMS Folder inside the System folder, or drag PC-50 Driver from the
FreeMIDI Folder inside the System folder to the trash.
4.
Restart the Macintosh.
Deleting the driver
PC-50_e.book 76 ページ ２００５年１１月１０日　木曜日　午前１０時３３分