You already posted this issue in http://forums.cnet.com/7723-6121_102-605017/i-have-a-dimension-1100-dell-it-s-on-safe-mode-how-do-i/?messageId=5515239#message5515239.
My colleague Bob gave you a link to try. What happened when you did?
Please continue in that thread. I'm locking this one.
need a simple quick fix,to get the dell desktop back into working order.it comes up with keyboard failure then , comes up like its going to windows,then blue screen then black screen,with safe mode in all four corners. then error message comes up,windows xp setup cannot be started in safe mode.