News: Let us become steel shields that defend the ideals of the Glorious Revolution and Taijituan democracy!
Bara, King of Spam, Slayer of Spelling, Vanquisher of Grammar.
Have you installed the correct drivers? Which OS is installed on the laptop?
You can try to reformat it as you would a disk. Obviously though you're going to lose what ever data is on there. If it works on another computer, save the stuff to that, reformat the the stick and then transfer the stuff back over.