What is the Win8 system sfc/scannow? How to use the Win8 system sfc/scannow command?

There are many CMD commands for the Windows operating system. The most frequently used is the sfc /scannow command, which can be used to scan and proof the current system files and fix missing/unused system files. If it is detected that the protected system file is overwritten by an incorrect file, the normal file will be retrieved from the dllcache backup for replacement. So how do you use the sfc /scannow command? Below, take the Win8 system as an example, let's take a look.

Method /

is the full name 1.sfc SystemFileChecker, refer to the file system check program. This CMD command has continued from the Dos system model to this day. Used to scan and check for corrupted or replaced system archives and to repair and replace the correct files.

2. Select the command in the Start menu prompt mode (administrator), to select an administrator with ID.

3. To allow the following program to make changes: Windows command processor, click on a window to enter the CMD command mode, intermediate input sfc /scannow spaces (spaces I did not have a normal scan, is not clear Whether the space is necessary) Press the Enter key to start scanning.

4. Start scan system, this process will take some time

validation phase
5. start the system scan

6. Verification is complete

this process slowly waiting, do not close the command window

7. when the scan is completed will prompt Windows resource protection found corrupt files and successfully repaired them.

8.CBS.Log Windir /Logs/CBS/CBS.log has detailed information indicating that the scan and repair operations have been completed, and the CMD command window can be closed normally.

These are the use sfc /scannow command under Win8 system, if you encounter a computer system file is missing, can not automatically fix the problem, you can solve the problem in accordance with the above method.