Windows XP padlock upper left corner

Landmaster56 Posts 1 Registration date Saturday April 19, 2014 Status Member Last seen April 19, 2014 - Apr 19, 2014 at 03:53 AM
My daughter for some reason slapped my laptop closed. When I turned it on later, their is a white padlock in the upper left corner. Black screen, when I push enter a fist with a circle pops up, and I can do no more. It's an IBM thinkpad, with windows xp. Any help would be fantastic,
Thank you all.