Solve : USB does detect plug and play but device doesent function prop

1.	Solve : USB does detect plug and play but device doesent function properly?
Answer» Ok Im a computer engineer and have only come across this problem 3 times in over two years but I REALLY need to find a solution Plug in my Kingston data traveler into any WIN xp system bang zap up it shows in my computer to access the way it should HOWEVER plug it in these machines and yup detects says works ok but thats it ! open ADMIN tools DRIVE managment yup its there assign drive letter the open and hey presto access to it however still doesent show in my comp and well censored !

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