PC remote power on and off?


I have the following PC

GA-X99-UD4 (rev. 1.0)

Ok I want to be able to remotely over the Internet turn it on and off. I was thinking about a remote management card but I can see any available for a pci express slot.

So I am thinking of using a wemo switch.

Now can I set the power state some how on the machine to power on automatically if it detects some kind of power cycle on the ac line.

It turns on - I can then remote in use it then shut down. Then I guess turn the ac off

The key being the machine only comes on if it sees a ac cycle so from on to off to on

Is this type of synario possible if so how can I make it work


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Yes, it is possible.  Usually within the bios there is a setting for power recovery. Deals what happens after power is restored. Often the options are off, on, and last. Setting this to on would do what you want provided you have an RPC (remote power controller) into which the system plugs in for power.  
Often in the bios there is also a scheduled boot option where the computer can will start at that time.

Also most systems have Ethernet enabled bootup. A magic Ethernet packet needs to be sent. Those are MAC address based they have to be locally generated.

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Gary CaseRetiredCommented:
You can also simply set up Wake-on-LAN for the PC and then configure your router to do a subnet directed broadcast for a specified UDP port.    You'll then be able to wake up the PC from anywhere on the internet ... no extra hardware required.
David Johnson, CD, MVPOwnerCommented:
what arnold was alluding to is a Wake on Lan (WOL) Magic packet.  WOL has to be enabled (A) in your bios and (B) on the network adapter.  Also Windows Fast boot must be disabled
A good article is @ http://www.howtogeek.com/192642/how-to-remotely-turn-on-your-pc-over-the-internet/
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