Chkdsk (Chkdsk.exe) is a command-line tool that checks volumes for problems. The tool then tries to repair any problems it finds. For example, Chkdsk can repair problems related to bad sectors, lost clusters, cross-linked files, and directory errors. To use Chkdsk, you must log on as an administrator or as a member of the Administrators group.
Right-click the Start button, then select Explore. In the window that appears, click on the plus sign next to My Computer, then right-click on the drive you would like to check – most likely C:. A menu will appear. Select Properties, then click on the Tools tab, then the Check now... button under Error-checking. Click the options desired, then click Start.
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