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Performance problems

If Defcon is running at a very low frame rate, these pages will help you diagnose and solve the problem.

Running Windows Vista?
Defcon uses openGL, and the Vista openGL drivers aren't too good yet since Vista is still in Beta. You should try to download Beta drivers for your graphics card. At this time, only NVidia offer these.
 
Reduce Screen Options
Press ESC in-game to bring up the main menu, then click Options. In "Screen Options", try reducing the resolution and the colour depth. On some systems 16 bit colour can run much faster than 32 bit colour.
 
Reduce Graphics Options
Press ESC in-game to bring up the main menu,then click "Graphics Options". Try enabling "Low Detail World".
Also try disabling "Smooth Lines", "Show City Names" and "Show Object Trails" - these can cause significant slow down on older computers.
 
Reduce Sound Options
Press ESC in-game to bring up the main menu, then click "Sound Options". Try reducing the mix frequency. Ensure "Hardware 3D Sound" is Disabled.
 
Turn off Full Screen Anti-Aliasing
Ensure full-screen Anti-Aliasing is disabled. This is a system setting in Windows, rather than an option within Defcon. You will find the option for this in your Graphics Options panel (right click on the desktop, click Properties, then click Advanced).
 
Install the latest Graphics Drivers
Installing the latest drivers for your graphics card can provide a big speed increase.
NVIDIA (GeForce range) http://www.nvidia.com
ATI (Radeon range) http://www.ati.com

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