Whether our computer hardware is brand new or a bit older, it never hurts to exercise a bit of caution in order to avoid damaging it. With that in mind, can magnets damage or wipe a hard-drive? Today’s SuperUser Q&A post has the answer to a worried reader’s question.

Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites.

Photo courtesy of John Keogh (Flickr).

The Question

SuperUser reader Rajesh Nielmbaram wants to know if magnets can damage or wipe a laptop’s hard-drive:

Can magnets damage or wipe a laptop’s hard-drive?

The Answer

SuperUser contributor Josh R has the answer for us:

You can also read through the SuperUser Q&A post regarding various computer components that are vulnerable to magnets here:

Article Quote: This myth was popularized by movies where hackers or criminals would quickly erase the contents of their hard disk drives with a few sweeps of a powerful magnet. Unfortunately, it is almost impossible to do it with regular magnets, no matter how big they are.

Every hard disk drive actually contains two powerful neodymium-iron-boron magnets that control the movements of the read/write heads. Yet the data on the platters remain unaffected. It will take a very, very powerful magnet to affect the data inside the hard disk drive.

What Computer Components are Currently Vulnerable to Magnets?

Have something to add to the explanation? Sound off in the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.