ATV not showing in devices list (itunes8)

[PepperTree]

ATV always worked fine until recently when its dropped from the devices list of all three of our macs. Using wireless connection with a netgear router.
Tried restoring ATV, didn't work. Can anyone please help?

[Ben Tex]

First off, remove the Apple TV from all of your Macs. You can do this by going to iTunes -> Preferences -> Apple TV. Highlight your Apple TV in the list and click the remove button. Then unplug your Apple TV from the wall, wait a couple seconds, and plug it back in. Now go back into iTunes on each machine and see if your Apple TV is back in the source list. If so, you should be able to take it from there. If it doesn't show up, go back to your Apple TV and do a factory restore Then check back again.