Troubleshoot NTFS Disk Problems
Additional Chkdsk commands
The basic error checking available from the same screen as defragment isn't all the error checking you can do. There's a command line version of this tool available to you with a number of extra options that are only intended for NTFS disks. Today I'd like to go over them for you. They really can prove to be quite handing when troubleshooting disk problems.
Click start --> Run and type in cmd type in chkdsk.exe plus one of the following switches. In the command prompt you will type in something like chkdsk.exe /X to run the desired operation.