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Some of the older Hard drives just made alot of noise when they where new. 
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Some of the older Hard drives just made alot of noise when they where new.

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Like the old quantum drives that had platters roughly the size of small dinner plates.
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Like the old quantum drives that had platters roughly the size of small dinner plates.

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These are mostly IBM's that are 4 years old or less.
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These are mostly IBM's that are 4 years old or less.

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Ack! Deskstars?! *running away*<br />
(Ex-IBMer)
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Ack! Deskstars?! *running away*
(Ex-IBMer)

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Just curious: &nbsp;On some older pc's, something (either the cpu or HD) makes a grinding noise as it is responding to user input. &nbsp;Such as opening software, a file, or anything. &nbsp;What is that noise, why and is there anything to do about it? &nbsp;It's not a particular speed, brand or style of computer. &nbsp;I've noticed it on miscellaneous pc's seemingly after they are older.<br />
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Sorry if this question seems too vague.<br />
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Thanks.
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Just curious:  On some older pc's, something (either the cpu or HD) makes a grinding noise as it is responding to user input.  Such as opening software, a file, or anything.  What is that noise, why and is there anything to do about it?  It's not a particular speed, brand or style of computer.  I've noticed it on miscellaneous pc's seemingly after they are older.

Sorry if this question seems too vague.

Thanks.

cpu grinds when it is reading HD.

Hardware includes cell phones and other digital living devices, tablets, computers, servers, peripherals and components, printers and scanners, gaming consoles, networking hardware such as routers, hubs, switches and modems, storage devices and security equipment such as firewalls and other appliances.