Roland UM-ONE Owner's Manual page 16

Troubleshooting
Problem
Cannot play
back or record
Duplicate notes
sound
Sound is
interrupted
during
playback,
sounds are
missing
16
Confirmation
Did you disconnect and
reconnect the USB cable while
using the UM-ONE?
Was the UM-ONE connected
to the computer while the
computer was starting up?
Did the computer handle a
processor-intensive task while
you were using the UM-ONE?
Is the sound module set to Local
On?
Is the software's THRU function
turned on?
Are multiple programs running?
Is the system software up to
date?
Are you using Mac OS X Software
Update?
Are the drivers for the computer's
internal chipset and graphics
card up to date?
Is the UM-ONE connected to a
USB hub?
Did you try to play back or record
immediately after the computer
started up or after waking up
from sleep mode?
Resolution
Exit all programs that are using the UM-
ONE, disconnect the UM-ONE's USB cable,
and then reconnect it.
If the problem is not resolved, restart the
computer.
Connect the UM-ONE after the computer
has started up.
(For some computers, the UM-ONE cannot
be used if it is connected to the computer
while the computer is starting up.)
Stop playback or recording, and then try
playing back or recording again.
If the problem is not resolved, exit all
programs that are using the UM-ONE,
disconnect the UM-ONE's USB cable, and
then reconnect it.
Configure as follows.
Sound module: Local Off
Software's THRU function: Off
For details, refer to the owner's manual for
the equipment you are using.
Exit programs that are not in use.
Run Windows Update or Microsoft Update
and make sure the system software is up
to date.
Run Software Update and make sure the
system software is up to date.
Update to the latest drivers.
Connect the UM-ONE directly to one of
the computer's USB connectors.
Wait and try playing back or recording
later.