You are having issues with a harddrive in your Windows computer. You want to verify if there are any issues with the file system and fix any logical file system errors if possible. What Windows tool would you use?
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Answer Description
The answer is chkdsk. Check disk (chkdsk) is the Windows tool that will verify the integrity of a harddrive and attempt to fix file system errors. The other answers are all system tools but for different purposes.
Wikipedia
In computing, CHKDSK (short for "check disk") is a system tool and command in DOS, Digital Research FlexOS, IBM/Toshiba 4690 OS, IBM OS/2, Microsoft Windows and related operating systems. It verifies the file system integrity of a volume and attempts to fix logical file system errors. It is similar to the fsck command in Unix and similar to Microsoft ScanDisk, which co-existed with CHKDSK in Windows 9x and MS-DOS 6.x.
CHKDSK - Wikipedia, the free encyclopedia 