Thanks for reading this, Help me please, i was just using my computer then it crash (harddisk problem western digital [wdc 20 gb].), when i turn on my computer my harddisk sound like this (click at least 2 to 3 times) then click again, i am very sure it is haddisk problem any one there can help me please or if there is no solution how can i retrieve my data ther please help me. thanks again.