Macbook Pro 13" Hard Drive Clicking Noise Problem

Right, just bought a Macbook Pro the other week and have found that occasionally it makes this click noise as heard in the video, when I knock the casing right of the trackpad which I believe to be above the HDD. I am lead to believe that this is the click of death and should get it replaced under my warranty. However, why is it only one click at a time when i knock the casing and not a continuous sequence of clicks? Has anyone else had this problem? Please comment and advise.

Thanks.

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• Macbook
• Pro
• Click

[jaywebb144]

Thanks for the comments guys. I think I have found a solution to this. I believe it is actually down to the SMS (Sudden Motion Sensor) that is built into the Macbook Pro, and I believe many earlier models. This senses a sudden motion and automatically parks the head of drive to stop the drive getting damaged. This produces the clicking sound. To disable it, type "sudo pmset -a sms 0" into the terminal. To re-enable type "sudo pmset -a sms 1". You should find that the clicking noise goes away.

[111whitepony111]

@jaywebb144 does disabling put your computer into any risk at all?

[4DJAO]

@xwolf1960 lol.... i think its the shaking.

[xwolf1960]

My MacBook pro does this as well when I shake it!!! How can I get it fixed?

[usernamehere91]

to disable it can damage the computer? my mbp started making that same noise but i figured out it happens when I move my mac, but sometimes when i don't move it...i'm worried help! :/

[XxWinCompHelpxX]

@jaywebb144 Can this be a risk to my computer?

[emmacasty]

@Kingddd333 thanks!

[Kingddd333]

@emmacasty That's the command prompt. You type sudo pmset-a sms 0 into the terminal. You can just look for terminal.app

[emmacasty]

@Kingddd333 sorry I'm awful with computers, what does that mean?

[Kingddd333]

@emmacasty Terminal.

[emmacasty]

@jaywebb144 what is sudo pmset-a sms 0, what keys are that?