Wanna move your cursor without mouse..

Click on 'mouse' tab.
Check 'use mouse keys'.
Click apply an then ok.

Now make sure that num lock is on.
Now try to move the cursor with the numbers on the numeric key pad.
That's Working!!!!

U can even move a file with this techinque.
Move the cursor on to the file which is to be moved.
press insert on the numberic keypad i.e '0' and then move the cursor
using the numbers in the pad.
After moving the file to a desired location press del.
That's All.