Will it work if you move the sleep slider all the way to the left so it will go to sleep in one minute? One thing I might ask is if you have something like the DVD player running at the same time. There is an way for programs like that to prevent the system for sleeping since it kind of is...
One possibility though is that they have you behind a big NAT (Network Address Translation) where everyone is sharing the same internet available IP. For instance at the office we have a couple hundred machines behind a NAT which makes them all look like the same IP to machines out in the...
Nope, it is in Bob's place, the old cafe where all the non-technical stuff goes.
You could discuss belly button lint in here and everybody would be just fine with it.