Frozen computer Screen!

 Hello friends! I'm here once again with one more funny computer trick. It is my  favorite because being simple and so simple it can keep you in confusion for days and weeks. Your friends computer will go freeze and he can't sort it out until you help him! Neither icons nor the task bar will work, he will think that his software has went wrong but no it's a fool fool trick.




* Steps to follow:-

+ First of all close all the tabs.
Now for windows Xp
+ Press ctrl+prtSc SysRq