In theory powered USB sockets (maybe USB2 and later) can control the power if the hardware supports it.
I don't know if my H/W supports this function, but that's a mute point as I've never found any S/W that implements such control. Has Windows7 made any advance over XP in this arena?
This issue comes up once a year, at about this time, as I have USB powered desk Christmas Tree. OK, it...
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