How to repair the Win7 system?

1, click the Start menu, in the search box input cmd! as shown in the following figure!

2, in search results found in the CMD program, right click on the program, choose to run as an administrator! The following figure shows!

3, bring up the command prompt! Enter sfc/at the command prompt. After the carriage return, as shown in the following figure! The dialog will prompt you with all the repair commands!

4, after the prompt input Sfc/scannow carriage return, the scan system files and automatic repair! Wait for the repair to complete! The entire scanning process lasts about 10 minutes.

5, the scan results will be detailed list of problem points, as well as the repair record as shown in the following figure! Small series just reload system, did not find any exception!

6, we also to the system of reference files for scanning and automatic repair! Just enter sfc/scanfile in the Command box!