Instructions
Press the "Ctrl" and "F8" keys on your keyboard simultaneously to open the Console.
Type "Reconnect" into the Console and press "Enter."
Repeat the "Reconnect" command if the game does not reconnect immediately. If it continues to not work, try closing "Heroes of Newerth" and opening it again.
Close the Console with the "Ctrl" and "F8" keys once you successfully reconnect to the game.