5. Access in CMS (Central management system) on Computer,
5. Access in CMS (Central management system) on Computer
 Access in CMS (Central management system) on Computer
  
A . Get the software called “CMS” in the CD / USB flash disk, then install it on your windows computer.

  

B.Then follow the below guide to restore camera to factory setting on CMS.
https://www.youtube.com/watch?v=NxBjtmpmqd0