Shutdown or Restart Remote Computer
Shutdown or Restart Remote Computer by using command prompt,
You can shut down or restart another computer on your network, all from your computer's Command Prompt.
1.The easiest way to shut down a computer remotely is to execute shutdown /i from the Command Prompt which will open the Remote Shutdown Dialog, shown here.
2.Just enter the name of the remote computer (which you can get by running the hostname command on the other PC), choose what you want to do (restart or shutdown), select some other options and then click OK.