Solve : how do i turn off log in as i cant get into pc now.........details below?

Solve : how do i turn off log in as i cant get into pc now.........det

1.	Solve : how do i turn off log in as i cant get into pc now.........details below?
Answer» ive just tired setting up my FRIENDS pc with admin log in details when i TURNED off the pc to reboot and show her how to use this it said the old owner (even thought id changed this in control panel) and then to enter password the old owner didnt have password protection on pc and when i tried to change to her name the keyboard just beeps and doesnt delete his name or even let me put password in just beeps ive got it to come up were it says safe mode safe mode with networking safe mode with command prompt ENABLE logging enable vga mode ect ect.......... is there another way to get pc to load so i can safly turn tis feture back off and they can use pc as it worked ok before i did this please help???!!! THANKS TAMI