玩cs1.6點可以用OpenGL呀???

我use Open GL mode open cs1.6,但係彈呢句野出黎:
The specified video mode is not supported.
The game will now run in software mode.
我張display card規格如下: , win xp sp2 , DirectX 9.0
Card name: NVIDIA GeForce4 MX 4000 (Microsoft Corporation)
Manufacturer: NVIDIA
Chip type: GeForce4 MX 4000
Display Memory: 128.0 MB
Driver Version: 6.14.0010.5673 (English)
DDI Version: 9 (or higher)
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled