I have the exact same problem (power light on internet light off). I've tried changing cables, turning everything off and on again, pressing the reset switch. Nothing has helped.
My sky+ box had a failed recording last night and after that the slingbox doesn't work. I've had similar problems before but turning it off/on solved the problem last time.
Hi, yaduks and MattWyatt
I understand that you are having some issues with your Slingbox since the network light is off.
Most of the times, this issue is related to any physical connection on your local area network. With this in mind, I recommend you to check the following link and follow the recommended steps.
Hi i tried all advice on the FAQ sections and check all cables several times. Luckily my unit was about 3 weeks inside its 1yr warranty so I took it back to PCworld and they replaced it. If it breaks down again outside of the next years warranty I doubt I will replace it. Great while it works but if it's only going to last just over a year I'll look at other options