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Troubleshooting Command Line Switches¹⁾:

• -w → This will run the game in a window, which is useful for troubleshooting graphical issues.
• -d:Software → This will run the game in Software Rendering Mode, which is required for unsupported 3d chipsets to run the game properly.
• -sound:off → This will run the game with no sound, which is useful for troubleshooting audio issues.
• -music:off → This will run the game with no music, which is useful for troubleshooting audio issues.
• -audio:off → This will run the game with no sound or music, which should correct any audio issues.
• -r → This will force the game to start in the resolution that follows the switch. (Example: -r800x600)

Generic Command Line Switches:

• -AllowMultipleInstances → This allows you to launch additional game instances after the first one. By default, an attempt to run the game more than once will merely call forth the first instance of the application.
• -BackgroundLoader:on/off → This enables or disables the background model loading system. Normally, when you switch the view zoom or rotation the application loads only the visible objects first and makes a background task of loading the additional models. This allows the game to be more responsive during view changes, but it has the side effect of slowing down the game for the next few seconds or minutes.
• -CPUPriority:low → This specifies that the game set its base process priority to low instead of normal. This is useful for having the game run side-by-side with other applications and have it not take too much processing time away from the other applications.
• -CustomResolution:enabled → This allows you to specify a non-standard resolution that isn't normally recognized or accepted by the game. This is useful in conjunction with the -r command line option.
• -d:DirectX/Software/OpenGL → This sets the graphics driver for the game to run under. Currently the DirectX and Software drivers are supported, while the OpenGL driver is currently experimental.
• -Intro:off → This disables the inroduction video that plays on game startup. By default it is on. Some systems have driver problems that may cause the introduction video sequence to crash. This option bypasses the video and goes straight into the game.
• -l:language → This specifies the language to run the game in. The game can only run in a language if the resource data for that language is present in the application's data set. Valid languages are: English, German, UK English, Traditional Chinese, and Japanese.
• -music: on/off → This enables or disables music for the application. Music won't play unless audio is enabled.

"C:\Program Files\Maxis\SimCity 4\Apps\SimCity 4.exe" -CustomResolution:enabled -r1680x1050