Ask an E-Readers Question, Get an Answer ASAP!
OK your PC is connected direct with Ethernet cable so does not have wireless issue and you have tried connecting to work wireless, assuming had proper access password and the wi-fi turned on... only other thing can try is see if can connect to a free local wi-fi hotspot like starbucks coffee shop.
At this point best to call and speak with an agent 1-866-216-1072
To register your Kindle you will need to log into your AMAZON account and then may proceed to register your Kindle device... You may connect your Kindle via USB cable to download your books from your kindle account to your ereader device.
reference "Transferring Files Via USB"- http://www.amazon.com/gp/help/customer/display.html?nodeId=200505520&#nowireless