It's like shouting. No need to shout.
Needed information to assist you in resolving your problem(s):
--Make, model of laptop
--Version of XP and service pack version
--Any antivirus and/or firewall?
--Exact description of symptoms. For example, is this the blue screen of death you're seeing? If so, what error codes are you seeing displayed? Does the system begin to boot into windows, and then this happens? Do you see the blue bar scrolling across and then what?
--Was the system running hotter than normal just before this failure to start? Do you hear the fans running, or the hard drive making any unusual noises?
--Does it seem as if the system is booting fully, but the display is not working correctly and you cannot see the login screen?
--Did you just replace the battery?
MY GIRLFRIEND'S COMPUTER SYSTEM IS MICROSOFT WINDOWS XP. THE BATTERY WILL CHARGE NORMALLY BUT WHEN IT IS TURNED ON ALL YOU SEE IS A BLUE SCREEN.HOW CAN I REPAIR THIS?