Thank you for the information provided. I see you're having trouble getting your Slingbox Solo connected back to your network. There is several troubleshooting steps you can do to fix your problems. Such as hard resetting your Slingbox Solo and start all over again. Or you may need to check the ports on your router.
Below, i will be sending you helpful links in regards on how to hard reset your Slingbox Solo and check the ports on your router.
Sling Media Support