I've been having problems with my desktop and external hard drives: http://forums.afterdawn.com/t.cfm/f-111/possible_external_hard_drive_enclosure_problem-960560/. I was in the process of following scorpNZ's suggestion but I tried a brand new external hard drive on it and it gives an insert disk message to it too. I tried to use DVDFab too and it read normally but it won't go into subfolders for some reason. Is something else at work here? I've heard that XP's service pack updates could cause things like this but I don't have a clue as to what's going on. Any help would be greatly appreciated. P.S. The first drive was just put in a new enclosure and I tried it on other PCs and it gives the same insert disk error message and isn't recognized in device manager..