![]() Where did they come from and why? The disk has not re-mapped them yet, and probably won’t until some write operations are done on them. Ohh dear… according to that, you’ve got 561 unstable sectors. They kinda popped up “just like that” but not all at once. And I’ve personally got a disk with 3 reallocated sectors that I fully trust. It’s when the smart values keep increasing rapidly on their own over a short time that’s when you’ve got a bad disk.Ī few bad sectors doesn’t mean the drive is toast. I would say this disk is still quite healthy otherwise. So you have to give it a swift kick in the - from time to time. Normally all this happens behind the scenes, sometimes it doesn’t. You can also wait and see if the internal “data lifeguard” background scans get around to remapping this faulted sector, all by itself. ![]() It would then flag the disk as good again. You can “null” out or set CrystalDisk’s Reallocated sector count to allow for the 1 bad sector. Then CrystalDisk will consider the Reallocated sector count to be bad and *STILL* flag your disk as bad. ![]() Of course, zeroing means you will need to backup your data. Doing CHKDSK with scan for bad sectors might also “encourage” the disk to remap the failed sector. And then your Reallocated Sectors Count will go up by 1. Sometimes a zero-write to the whole disk will force that 1 sector to be re-mapped. Looks like there is a problem with 1 sector that hasn’t been reallocated yet.
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