Canon CanoScan N650U User Manual page 82

chapter 7
Troubleshooting
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ScanGear CS-U does not launch.
Problem: ScanGear CS-U does not launch, the screen freezes, or
another software application launches.
Cause: The scanner may not be connected correctly, or you may
have chosen the wrong scanner source in your software
application. The scanner configuration file may have been
changed.
Solution: Make sure the scanner is properly connected to your
computer before you turn on the computer and start
Windows. If not, connect the scanner. Then restart your
computer.
Make sure you selected the correct scanner in the parent
software application. For details, see your software
application documentation for instructions.
If neither of those steps solve the problem, uninstall
ScanGear CS-U ( p.16) then reinstall ScanGear CS-U
( p.13).
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