74. How to Operate Mouse Pointer Without Mouse

You have Mouse problem ??
I will give you suggestion 
Press Left Alt + Left Shift + Num Lock Button + Ok 

Press Left Alt + Left Shift + Num Lock Button+OK

with the help of Numeric Keypad e.g ( Press and Hold the following Keys )

7   8    9

4          6

1   2    3

For Normal Click Press 5 
Default 
Left Alt + Left Shift + Num Lock