How does Win8 scan and repair system files?

Some Win8 customers react to some of their system functions can not be opened, the main reason is probably caused by system file loss, then how does Win8 scan and repair system files? Please refer to the detailed steps below.

1. Right-click on the Start menu and select Open Command Prompt with Administrator privileges;

2. Enter sfc /scannow and press Enter to scan and repair the system files.

3, the scanning and repair process may take more time, after the repair is completed, you can open those system functions.

The above is a small version of Win8 scanning and repairing system files. If you are unable to access the system function, right-click on the Start menu, select Open with a command prompt, open sfc /scannow Enter to scan and repair system files.