On some browsers, the bottom of the chat client might be obscured due to your page size. Scroll down a bit to see it all. Once logged in, type in what you want to say in the empty white box at the bottom and hit Enter
This chat is new and seems to have a problem with the digital signature. Just accept the signature and we'll get that corrected shortly. Thank you

If you're unable to connect to chat, please try this alternative and let us know how if it works for you: Connect to Chat