How to repair windows system files from command prompt

System files of a Computer can be repaired by using command prompt with the help of sfc command. It usually takes 5-10 minutes to complete operation i.e. to repair system files.

Follow these steps :-

1. Run command prompt with administrative privilege.
2. Now type this command sfc/scannow and press enter.
3. After the completion of process, Restart the Computer.

Note :-for sfc/scannow command to work correctly make sure that you have given administrative privilege to command prompt in windows7,8,8.1 and windows vista. But this is not required in earlier version of windows.