How do i enable LAN settngs : I tried to input proxy server address in proxy setting and saved it,but after closing  that window all the setting got restored to previous versions,when i tried to search in LAN settings i found that the LAN settings is Disabled.When i searched on Internet i found that to make any changes in proxy settings i have to do it through LAN settings which in My PC case is currently disabled. Please suggest any  solution for it.[PC LAN setting picture ][1]


  [1]: https://i.stack.imgur.com/yUEYK.png