Usb Scanner issues

The user name on the post says Landgreen and not obi-wan-kanobi, he wouldn't have any issues because he would use the" Force" to fix his problem.
I'm not sure that I understand what your saying when you said this in your post;

Everytime the computer is loged off the computer doesnt see the scaner pluged into the usb port.

How can you expect to see the scanner with the computer logged off ?