I posted this question: USB recognized but not available? a long time ago. Because of circumstances, I was unable to keep testing the suggestions, so I abandoned it.
I think the question itself could be useful (as reference), but as it will never be able to have a correct answer, I think its better to close it or delete it.
What should be done?
can't be reproducedoption for "close". I only see:
unclear what you're asking,