3: Click Ok 4: type fsutil dirty query c: or / AND 5: To run the chkdsk utility, type the following command:
chkdsk c:
...or
chkdsk c: /f /r
6: type Exit to finish
NOTE: The /f command automatically fixes any errors encountered, the /r command locates bad sectors and recovers readable information. I am also assuming the drive you wish to check is C