Quote:
Originally Posted by gary
Hi Paul,
Perhaps you are looking for the "Wake On LAN" setting that is in some BIOS's?
Otherwise later versions of Windows such as Vista and Windows 7 have the
Control Panel -> Power Options dialog where you can specify that the computer is
never to sleep.
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"Wake on LAN" requires some device to send a WOL packet to the PC. Maybe the switch or router can do that.
The BIOS probably has a "Resume on power restoration" setting which would turn it back on, but Windows (and most other operating systems) do not play well with powering off without shutting down.
The best solution I can think of would be plug a UPS into the IP switch, the PC into a battery backed port, and connect the UPS alarm cable to the PC. When the switch turns off the power the UPS tells the PC the mains power is gone. You program the PC to shut down and the UPS gives it time to do that. It only takes a small UPS.
Then after the IP switch turns the power back on you send a WOL packet to the PC to turn it back on.