I am on a desktop PC, which automatically connects to the internet on boot-up. How can I drop the internet connection using keyboard and mouse?, rather than going on all fours behind my computer table and finding which wire and unplugging it.

See also:-

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=287301

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2873030