Wake On LAN

	Wake on LAN is something very useful, when thinking about not wasting energy, use Wake on LAN if you don’t like throwing money away to an always-on System. 1-Enable Wake on LAN in your BIOS:   -restart your computer and press and hold the delete key (or whatever key to access your BIOS settings) -Once you are in the BIOS, go to the Power Management section and search for the Wake on LAN settings. Enable the Wake on LAN, Save and Exit. -On some boards you may have to enable a "Power On By PCI Devices" setting, others you won't find the Wake on LAN option.     2-Enable Wake on LAN in Windows   -To Enable Wake on LAN in Windows, Right-Click on My Computer, select properties, then click on Device manager. -Find your Network Card in the Hardware List, right click it and click properties. -Go to Power Management tab in the Properties and tick the checkbox next to "Allow this device to wake the computer". -Now Go to the Advanced tab and Change the "Wake From Shutdown" option to "On" and the "Wake On Magic Packet" setting to "On". Hit OK.   3-WAKE YOUR COMPUTER //you can use the Magic Packet Sender Freeware to wake your computer from any device http://magicpacket.free.fr/   1-on the computer that you want to wake up, type the command in the CMD ipconfig/all. take your internet connection ipv4 address and Physical address (MAC Address)   a-For Inner Network Remote Connections:   -Send a Magic packet with a host name = to the ipv4 of your computer "Internal IP Address", your computer's MAC address and your Subnet Mask should be 255.255.255.255 note: you have to use the UDP as your network protocol and port 9 as the sending port.   b-For Internet Connections:   -Send a Magic packet with a host name = to the external ipv4 of your computer (you can get it from www.whatismyip.com ), your computer's MAC address and your Subnet Mask should be 0.0.0.0 note: you have to use the UDP as your network protocol and port 9 as the sending port.   NOTE: you can also use www.dyndns.com  and create a free account to access your router and settings from the internet. Good Luck ;)
	For More Info Please Visit: http://en.wikipedia.org/wiki/Wake-on-LAN