change the shortcut similar to this...then you can play 1280x1024 reso...


"C:\Program Files\Electronic Arts\Battlefield 2142\BF2142.exe" +menu 1 +fullscreen 1 +szx 1280 +szy 1024

Note the addition of the +szx and +szy commands which respectively set the width and height of the custom resolution to be used. Substitute other values for other resolutions (e.g. +szx 1900 +szy 1200).