I synced my iphone on my friends computer a while ago so i could charge it, and now my computer is not recognizes it. Is there anyway i can change this so that my itunes will recognize my iphone so i can be able to upload my music to it?
Besides restoring it back to factory settings and syncing it up as if it was the first time syncing, not really. You could try this article, but not sure how affective it'll be:
Retrieving data ...