all my devices seems to be disconnected

[chriscomicbook]

him guys all was always perfect with my vuze, 
i could read files on my xbox, ps3 and latelly even better now right on my tv
but for 3 days now, all my devices are unfundable either my xbox, ps3 or even the tv
if i mouse over on my cumputer it appear the device seems to be disconnected
can you guys help me please
thanks

[Lenny]

Same thing has happened to me. Any ideas?