go to your docmuents and look for a folder called BFBC2 and open it up and then open with note pad the document called settings not the one called game settings just leave that alone and change this line here'
should look somthing like this
[WindowSettings]
Width=1024
Height=768
Fullscreen=true
RefreshRate=60
VSync=false
[Sound]
Quality=low
VoipEnable=true
SpeakerCount=0
[Graphics]
Effects=low
Soldiers=medium
Vehicles=medium
Overgrowth=medium
Undergrowth=medium
StaticObjects=medium
Terrain=low
Shadows=low
Bloom=false
HSAO=false
MSAA=0
Water=low
MainQuality=custom
Texture=medium
DxVersion=10 <this is what u change should say auto by default which means it goes up to what ever latest dx version your card handles anyways ignore other settings just change that
Aniso=0
Detail=medium
RenderAheadLimit=2
Fov=55
