last night i did a system resore on dell 1720 inspiron, everything worked find now the computer has cut off and everytime i cut it back on boot in safe mode, safe mode with networking whatever, it still brings me back to the welcome screen with the password hint i created and is saying the password is incorrect!!! does anyone know the steps i need to do to corect this??? i have been messing with this computer for a whole day and still the same thing?? PLEASE HELP!!!