Ok prior to all this my computer was on for Id say a good 18 hours straight, in the morning when I woke up, I worked on some stuff for school, then printed this document out in powerpoint, i was running late, so as soon as it stopped printing, i clicked shutdown in Windows XP, hopwever it did not go as fast as I would have liked, so I just hit the power switch. I dont think it matters how I turned it off, but when I turned it on just now when I got home, I get a weird problem. First scan disk came up and I thought it was normal, it went fine, and I had no problems at all, then it would go the little bar thing going across the screen with the Windows XP logo, and the bar moving on the bottom. Normal up to here, then normally it would sort of refresh and ud hear a sound, and see the mouse cursor, and then ud get the blue screen of XP, and loading personal settings, etc. I did not get this. All I got was the mouse pointer and a black background. Nothing was going on. What did I do? After about 5-10 seconds at that black screen, the cpu will just restart and its an infinite loop i guess. I changed my bios back to that of a previous time to try to clear it up, but now all it does it just remain on that black screen until I manually turn it off or try again. What should I do. I have an XP boot disc. I can probably select that Repair command right? That will clear it up right? ANyone? THanks.