Can I change my ip address manually and still connect to the internet?

[Bean]

Automatically it works fine, but if I change it I cannot connect.

[Unregistered]

There are two types of ip address we are using 1)Static ip address2)Dyamic ip address If you have dynamic IP, then change your IP address by following the steps:-1)Go to Start->Run->Cmd and Press Enter..Type in "ipconfig/release" for Current IP address and then type "ipconfig/renew" for New IP address.2)Either follow step 1 or Simply restart or unplug your modem/router .Doing either step 1 or 2 will change your Dynamic IP address. Visit Ip-details.com to check your IP address is changed or not