1) Disconnected 2) Disconnected from the network 3) Not connected 4) Not connected to the Internet 5) Not on the Internet 6) Not on the network 7) Not ready to surf 8) Not surfing currently 9) Unconnected, Web-wise 
when your computer is not connected to a host system or the Net, you are offline
(Digital cameras and photo printers) Describes the state when no data connection exists. (Online)
means not online, that is, not connected to the Internet. It may refer to an unconnected computer, or activities taking place without the benefit (or perhaps distraction) of a connection.
Refers to a computer which is not connected to the Internet
The videotape editing process whereby the final edit list is compiled, usually in a more inexpensive edit room, in preparation for the on-line edit. (Video)