note:this trick will work only with windows xp.
this is probably the simplest one and also the fastest way to shut down your pc follow these steps:-
Here are the steps :-
1: Press Ctrl+Alt+Delete to go to the Task Manager .
2: Click on Shut Down on the Top .
3: Highlight ‘ Turn Off ‘ and while holding down the Ctrl key , click on it .
wait for 5 seconds and u hv done .