How Can We Help?
STEP 1
Open Pidgin
STEP 2
Click Accounts->Manage Accounts->Add
STEP 3
Add the following
Protocol: XMPP
Screen name: You’re Google Talk screen name without @gmail.com
Server: gmail.com
Password: You’re GMail password
STEP 4
Click on the Advanced Tab and then add the following
Connect server: talk.google.com
STEP 5
Click save and it should work.