How do i go on safe mode if its freezing and i cant click anything?

[Ingridd_gon]

My computer freezed all of a sudden and i started it again a couple times and after i put my password and it goes to the desktop it freezes and only the mouse moves. What do i do to fix it D:

 

[i7Baby]

F8 per http://windows.microsoft.com/en-au/windows/advanced-startup-options-including-safe-mode#1TC=windows-7