What Is ScanDisk?
ScanDisk is a simple but effective hardware utility that works at the basic, or DOS, level of a PC-based computer system. ScanDisk is able to check the integrity of a disk drive and correct many errors.
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Background
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ScanDisk was acquired by Microsoft from Norton and is now bundled with its popular DOS program.
Function
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ScanDisk runs a scan over all sectors of the hard drive. It checks every folder and file for errors, orphaned files and corrupt files.
Benefits
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Because ScanDisk is packaged in DOS, you can repair error outside of Windows, if your operating system crashes.
Considerations
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You should run ScanDisk on your computer about once every 3 months.
Misconceptions
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You cannot use ScanDisk to repair a CD or DVD-ROM drive. A CD/DVD-ROM can only be erased or written with burning software.
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