Help! Please! Srcds Problem! =(

[ilikelemons]

Hello All. I Have a Problem. Okay I Got All The ports open,and people can join. but it's not in the Internet Tab on Cs:s so i went to internet connections. and set a Ip. but once i clicked apply it shut my internet down/off until i click on "find the IP automaticly" also,my friend did this and thats how he got his server to work please help!

[Beaverbeliever]