//top\\ | Chkdsk Options Windows 11

A: CHKDSK is designed to repair the file system. It usually does not delete personal files. However, if a file is located in a physically damaged sector that cannot be recovered, the data in that specific file might be lost. Always back up your data before running deep system repairs!

chkdsk C: /r This is the "nuclear option." It does everything /f does, plus it scans the physical surface of the drive for bad sectors. If it finds readable data in a bad sector, it moves that data to a good sector. Warning: This scan can take hours, especially on large mechanical hard drives (HDDs). chkdsk options windows 11