Bad track problem not fixed

I have the same bad track problem as others, though I don't understand the directions given to fix it. I put the player into usb mode, then I connect it to my computer, but instead of being listed under a letter as in "f" or "g" or whatever, it is listed under "portable device". And when you say type in the that letter which the player is listed under, I can't do that because it's not listed as a letter, and I don't know where to type that phrase anyways...

Sorry for my helpless ignorance, but I am somewhat frustrated with this problem.