Latest Drivers -- Ensure that you have the latest drivers from your video card manufacturer, or check the Windows Update site (http://windowsupdate.microsoft.com) for the latest drivers. Users of motherboards with non-Intel chipsets should upgrade to the latest miniport drivers available from their motherboard manufacturer.
Age of Empires III does not support the following video cards:
3D Labs Permedia 1
3DFX - All versions
Radeon 7000 IGP
Radeon 7200 (32 MB only)
Radeon 7500 (32 MB only)
Mobility Radeon 7000 IGP
Mobility Fire GL
Cirrus Logic - all versions
Matrox Millennium II
Geforce 2 (32 MB only)
nVidia Riva 128
nVidia Rica 128 zx
S3 Savage 2000
Intel 810 / 815
Rendition - all versions
Number9 - All versions
Oak Technologies - all versions
Chromatic Research - all versions
Tseng Labs - all versions
Neo-magic - all versions
Some ATI video cards may experience difficulties with repeated toggling between the game and another application using ALT+TAB. It is recommended that you do not use this key combination.
If you are using the NVidia 6800 - Driver: 6.14.0010.7189 (April 14, 2005), terrain objects, particularly trees, will have an artificial appearance when the Shader Quality setting is set to low and the graphic Bit Depth is set to 16. It is recommended that you update to the latest version of these drivers to fix this problem.
If you are noticing flashing, popping,or pausing on an overclocked NVidia 6800, please be aware that this is a known issue with no work around.
A Matrox Parhelia 128MB or a Matrox Millennium P750 using driver 6.13.0001.1691, reference drivers 6.13.0001.1873, and 6.13.0001.1914 may not correctly show bump mapping which appears as snow or solid grey textures in the game world. It is recommended that you update to the latest version of these drivers to fix this problem.
If you experience video problems using DirectX, go to the DirectX Web site for the latest troubleshooting information at: http://www.microsoft.com/windows/directx/.