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Bad blocks can be caused by hardware problems and may not be formatted out
Rob: The reason why a format of the hard disk would not work is that if the disk's bad block is because of a physical defect, formatting will not fix the problem. This is a hardware issue that can only be fixed by changing the drive.
Bad blocks can be caused by hardware problems and may not be formatted out
Bad blocks are caused by hardware faults, but that doesn't mean that they're only fixable by hardware means. All hard drives have bad blocks; most operating systems work around bad blocks by having a list of known-bad-blocks that they don't attempt to write on. When you do a low-level format of a disk (e.g. using the 'zero all blocks' of Apple's format) it should hit on every block and discover which the bad ones are (and then mark it as such, and move on). |
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