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Are you pleased with the settings of Modern Warfare 3 for your PC? In case you’re looking for some considerable adjusting, it’s possible to make modifications in the Modern Warfare 3 Config files.

Experiment with the values below to obtain the best overall performance for singleplayer and multiplayer for even slightly older computer systems.

Configuration Files

1. Most typical graphical options can be modified in-game with the options menu for the PC version of MW3. If you’re not pleased with MW3′s overall performance, then you may tweak the config files for greater performance.
2. To find these file open the folder where you have installed the game for example: C:Program FilesSteamsteamappscommoncall of duty modern warfare 3players2
3. The relevant files are [config.cfg] and [config_mp.cfg] with values for singleplayer and multiplayer respectively. Open the files in Notepad, and you can start changing values.
4. Save the file when you’re done, and make sure it overwrites the previous version in the same folder. If you create problems with your fine-tuning, simply save the original files in a different location as back-up.

Depth of field

seta r_depthPrepass “0?

To use this setting, you’ll have to turn off depth of field in the main settings. This entry will let you tweak it more precisely that the in-game options menu. 0 is the default, ‘1’ sets it to ‘world’ meaning only objects in the background are blurred. ‘2’ will enable depth of field in the foreground and background.

Weapon casings

seta cg_brass “1?

If you find the constant stream of ejected bullet casings flying out of your weapon distracting, change the ’1′ in this entry to ’0′.

Mouse Sensitivity

seta sensitivity “4.0?

Sets your mouse’s sensitivity

Set Shader

seta r_rendererPreference “Default”

Changing this to “Shader model 2.0” may benefit older cards.

Ragdoll settings

seta ragdoll_max_simulating “16?

Ragdoll physics mean that dead bodies fly around the screen and impact with buildings. Lower this to reduce the number of floppy limb simulations on screen at once.

Dead bodies – Multiplayer only

seta ai_corpseCount “X”

Sets the number of corpses visible on screen at once.

Setting Shader

seta r_preloadShaders “0?

Setting this to ‘1’ preloads the shaders, resulting in smoother performance, but it may overload your memory.

Set light flashes

seta sm_maxLights “4?

This sets the number of light flashes on screen at once. Reduce it if you’re prone to migraines, or to improve performance.

Anisotropic settings

seta r_texFilterAnisoMax “4?/seta r_texFilterAnisoMin “1?

Maximum and minimum anisotropic settings – set the former to ‘8’ for maximum performance, but keep in mind that this may possibly effect your frame rates.

Cinematic music setting

seta snd_cinematicVolumeScale “0.5?

Reduce or increase this to set the volume level of the cinematic music.

Game processing sound equalisation

seta snd_enableEq “1?

Set this to zero to stop the game processing sound equalisation.

Other tips and tricks

Steam commands

To force DirectX 9 compatibility mode right-click on the game in Steam and choose ‘Properties’, ‘General’, ‘Set Launch Options’ and enter ‘-dx9’. 

MW3 Configuration Utility

This handy little program lets you adjust config settings and more before running the game.