While playing the game, press ~ to display the console window. Make sure there is a space between the last quotation mark in the 'Target' field and the added command line. Click on 'Properties', and then add the ' -enabledeveloperconsole' command line to end of the 'Target' field. Next, Right-click on the 'da2.exe' file that is used to launch the game.
Change the 'OpenConsole_0=' line to 'OpenConsole_0=Keyboard::Button_`'. Use a text editor to edit the 'KeyBindings.ini' file in the 'Users\\Documents\BioWare\Dragon Age 2\Settings' directory.
Note: This procedure involves editing a game file create a backup copy of the file before proceeding.
