I see you're having trouble trying to get your Slingbox to work. Have a look at the link below, it will help you soft reset your Slingbox.
- The most common reason for performing a soft reset of your Slingbox is because it has become unresponsive. This is rare, but can sometimes happen. A soft reset is a quick way to get going again.
If your issue persists, you may wish to hard reset your Slingbox.
- A hard reset wipes out all configurations, settings, and (usually) software updates from your Slingbox. After you perform a hard reset, you'll need to reconfigure your Slingbox again.
Sling Media Support