Wireless Tip of the Weekend
If you're unfortunate enough to be relegated to use a PC, check to make sure you've upgraded to WinXP Service Pack 2 before you attempt to connect to any wireless routers made in the last decade. If you have not, you'll have to figure out what the heck a "network key" is instead of a wireless password. Silly Windows.
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As for network settings, on most PCs, if you past your IP address into your browser, it will display your network key, and a slew of other connection-related info. (This might only work for wireless connections, though.)