The first thing you're going to want to do is make sure that your Slingbox is connected to the network. If the network light on the front of the Slingbox is off or even just blinking steadily you'll want to reference these articles to help correct the situation:
- Slingbox.com - The lights on the front of your Slingbox
- Slingbox.com - The Network light on your Slingbox blinks or turns off
Hope this helps!!