2.There will be display in a text-box . Then Type in cmd.
3.Type ping facebook.com or what ever you want to go. where website is the website name. (Without http:// and www.)
4 .Get the IP address. You will see an IP address in (ex [22.214.171.124]). Copy the code and type it into the Url bar in your browser.
5.Now Click Enter that blocked site now work.