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2. Hard disk drive failure - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive_failure

   Gradual hard-drive failure can be harder to diagnose, because its symptoms, such as corrupted data and slowing down of the PC (caused by gradually failing areas of the hard drive requiring repeated read attempts before successful access), can be caused by many other computer issues, such as malware.

3. Bad sector - Wikipedia

   en.wikipedia.org/wiki/Bad_sector

   Hard disk reader. A bad sector in computing is a disk sector on a disk storage unit that is unreadable. Upon taking damage, all information stored on that sector is lost. When a bad sector is found and marked, the operating system like Windows or Linux will skip it in the future.

4. Data corruption - Wikipedia

   en.wikipedia.org/wiki/Data_corruption

   Many errors are detected and corrected by the hard disk drives using the ECC codes [17] which are stored on disk for each sector. If the disk drive detects multiple read errors on a sector it may make a copy of the failing sector on another part of the disk, by remapping the failed sector of the disk to a spare sector without the involvement of ...

5. Data recovery - Wikipedia

   en.wikipedia.org/wiki/Data_recovery

   When a hard disk drive fails, the importance of getting the data off the drive is the top priority. The longer a faulty drive is used, the more likely further data loss is to occur. Creating an image of the drive will ensure that there is a secondary copy of the data on another device, on which it is safe to perform testing and recovery ...

6. Head crash - Wikipedia

   en.wikipedia.org/wiki/Head_crash

   A head crash in a modern drive. Note circular scratch mark on the platter. A head crash. A head crash is a hard-disk failure that occurs when a read–write head of a hard disk drive makes contact with its rotating platter, slashing its surface and permanently damaging its magnetic media. It is most often caused by a sudden severe motion of the ...

7. Women are being notified that they need to take action if ...

   www.aol.com/women-being-notified-action-dense...

   Northwell Health focuses on how women need access to supplemental screening tests to find the cancers that mammograms might miss.