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Article ID: 1040-JWMT-2947
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Game launch options can be used to change game settings before running the game. Launch options allow the user to supercede internal settings of the game. This is an effective means to recover from incompatible video settings and well as troubleshooting a wide range of issues.
This topic covers setting game launch options from Steam's My games menu. Launch options may also be set by creating a game shortcut and Setting Steam Launch Options for the shortcut.
Set Launch Options
- Right-click on the game title under the My games tab in Steam and select Properties.
- Under the General tab click the Set launch options... button.
- Enter the launch options you wish to apply (be sure to separate each code with a space) and click OK.
- Close the game's Properties window and launch the game.
Common Launch Options
Most Console Commands can function as a launch option by adding a "-" in front of the console command, but many of them do not make sense to use in this fashion. The most common launch options are listed below.
- -autoconfig - Restores video and performance settings to default for the current hardware detected. Ignores settings inside any .cfg files until this parameter is removed.
- -dev - Enables developer mode. Also disables the automatic loading of menu background maps and stops the quit dialog from appearing on exit.
- -condebug - Logs all console output into the console.log text file.
- -console - Starts the game with the developer console enabled.
- -toconsole - Starts the engine directly in the console, unless a map is specified with +map.
- -dxlevel <level> - Forces a specific DirectX version when launching the engine. This is useful if your graphics card gets significantly better performance in an earlier version of DirectX (e.g. NVidia GeForce FX 5200). Options:
- -dxlevel 60
- -dxlevel 70
- -dxlevel 80
- -dxlevel 81
- -dxlevel 90
- -32bit - Forces the engine to start in 32-bit</tt> mode. Only useful on 64-bit Operating Systems. -64bit can also be explicitly stated for games that use the 64-bit Source engine, although it is the default.
- -fullscreen - Forces the engine to start in fullscreen mode.
- -windowed or -sw - Forces the engine to start in windowed mode.
- -w <width> - Forces the engine to start with resolution set to <width>.
- -h <height> - Forces the engine to start with resolution set to <height>. This launch option does not need to be set in the presence of -w. The width value with determine the height automatically.
- -refresh <rate> - Force a specific refresh rate.
- -heapsize <kilobytes> - Specifies the heapsize (in kilobytes) which the game will use.
- -nocrashdialog - Suppresses some memory could not be read unhandled errors.
- -novid or -novideo - When loading a game with this parameter, the intro Valve video will not play.
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