2. Press your left alt+shift+numlock in your keyboard to enable this feature.
3. Now press ok.
4. Use the keys 1, 2, 3, 4, 5, 6 7, 8, 9 of numeric keypad to move the mouse pointer.
5. To perform mouse click use the key 5
6. To perform double click use + sign.
7. To disable this feature click on NumLock.
8. Got this one from http://informativetipz.blogspot.com/