Download Slingplayer Desktop for your computer
Disconnect the Slingbox from the network. Performing a factory reset on the Slingbox as described in the article (http://support.slingmedia.com/get/KB-1000038). Then connect the Slingbox directly to the router using the ethernet cable provided. This will help you make sure it can get a fresh DHCP IP address. Walk though the Setup Assistant to configure a static IP address which is applicable to your network subnet. Then you can reconnect the Slingbox wherever it needs to be.