WakeMeOnLan - Turn on computers on your network ... - NirSoft
To wake your Windows 7 machine, you need a utility on a different device (a second PC or a smartphone) to send the signal. Here are the best free tools compatible with Windows 7: wake on lan windows 7 download
Wake-on-LAN (WoL) is a networking standard that allows you to turn on a computer from a low-power state (like sleep or hibernation) remotely by sending a "magic packet" over the network. For Windows 7 users, implementing this doesn't involve a single "Windows 7 download" from Microsoft; rather, it requires a combination of correct hardware configuration and third-party software to send the wake command from another device. WakeMeOnLan - Turn on computers on your network