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Why is my hard drive making weird noises after the power got shut down?

The HDD used in my work place is making a weird sound after the power was shut down. Is it safe to open the 2.5 HDD? What else can I do?

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migrated from Dec 15 '10 at 7:47

This question came from our site for professional and enthusiast programmers.

marked as duplicate by Dennis Williamson, BinaryMisfit Dec 17 '10 at 21:09

This question was marked as an exact duplicate of an existing question.

It is hard to say ... Could you post record of that sound? Just kidding. It could be broken head, engine, whatever. It can be end of its life as well. In my opinion it is little risky.. – Ency Dec 14 '10 at 22:00
belongs to :-)... I think superuser is your best choice. – Shoban Dec 14 '10 at 22:01

Whatever you do don't touch any of the metal components within the drive if there is any power running to it.

Does it sounds like the inner disc may be in contact with the housing during rotation or does it sound more like an electric motor dying?

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it sound like clicking on the keybord – dvdx Dec 14 '10 at 22:05
check this out:;action=display;threadid=7102 – Bnjmn Dec 14 '10 at 23:01