Can somebody please fill me in on what "Bad Clusters" are? I have an external hard drive that has bad clusters on it. I have tried about everything I could think of to recover them, ran programs, re-formated the drive pulled the partition out and re-loaded everything and it still reads bad clusters are in there. I don't know why. It's an older Maxtor 120 GB drive and for the most part, I thought the drive was failing when it turned out to be that the power supply plug and the usb plugs were not securely seated. Right now the drive only has about 4 kb of bad clusters, it used to have more.
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The data on a hard drive is broken down into sectors. When a small amount of data becomes corrupted, that area of the hard drive becomes unusable. When you format the drive (high level format) the bad clusters are not removed because the format simply knows to skip over the …
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Your operating system will make sure not to write to any bad clusters on the disk, so there is no data loss as far as that is concerned. However, if a disk has bad clusters you can't get rid of, it inevitably means a physical problem with the drive itself. …
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