Actually this is not a trick, This is Windows hidden feature.
But most newbies dont know abt it
This is best when u hav run in mouse shortage
I use this when my mouse cable is ate by mouse


1. Press and Hold your left hand side Alt + Shift
2. Press Num Lock (in your Numberic Keypad)
3. Press OK
4. Now you can use your mouse pointer with your key pad

4,2,6,8 = left,down,right,up respectvely
5 = click