Questions: What is Wake-on-LAN (WOL)?
Wake-on-Lan (WOL) is the implementation to power up your computer remotely from other computer over the Internet or within your home network by using special packet, called magic packet.
You can only do this if your computer’s motherboard supports the WOL feature, and you can usually locate and enable it under Power Management section in motherboard’s BIOS setup page. Also you need to enable the WOL feature on network card as well to reserve power.
After that, you can install some WOL programs (Fusion WOL, Depicus WOL, etc) on other computer to power up this computer remotely. If you don’t like, you can also use the following Internet based WOL applications to power up your computer.
Wake On Lan over the Internet
Wake my PC remotely