In 2013  before my SSC exam my parents locked my computer with password.Then I used some tricks to unlock the computer.Today I am going to share those tricks with you.If your parents do the same with you then you can unlock computer easily. 1.Some thing that you can do before getting locked Install a keystroke logger before they lock your PC.If your parents locked your computer once and they can do it again any time then you can use a keystroke . . . .