i'm having a problem with my dell inspiron 1150. when the ac adapter is plugged into the wall all i get on screen is a blinking cursor in the top left hand corner. when not plugged into the wall and using the computer battery i can only get to the windows xp loading screen and then it freezes. i'm baffled. now i just used the battery from the computer and i just got a blue screen saying the BIOS is not afci complaint. i'm lost please help me.