When Win7 cleans up the C drive, it prompts that the disk check cannot be performed. What should I do?

            1. Open the lower left corner of the computer " Start “ menu, find the [Run] option, click Open;
2, enter [cmd] in the pop-up dialog box, click OK to enter the dos interface;
3. Enter the command line interface, enter the [for %i in (cdefgh) do chkdsk %i: /f] command, and click Enter;
4. Click Enter, you will find that the disk is occupied and cannot be checked. Whether we will check the next time, enter n, click Enter;
5, the computer restarts, enter safe mode, in the dos interface, enter [chkdsk C: /F /R];
6, click Enter and start checking our computer disk. At this time, you will not be reminded that the disk is occupied and cannot be accessed. You can check the disk.