probleme opengl :-(

voila j'ai un pc atlhon 850 256mo de sdram et une carte graphique geforce
2mx 400 j'ai voulu installer medal of honor et voila c qu'il me raconte
--- Common Initialization ---
Medal of Honor Allied Assault 1.11 win-x86 Apr 20 2002
----- FS_Startup -----
Current search path:
D:\EA GAMES\MOHDA/main
D:\EA GAMES\MOHDA\main\Pak7Fr.pk3 (82 files)
D:\EA GAMES\MOHDA\main\Pak6Fr.pk3 (610 files)
D:\EA GAMES\MOHDA\main\Pak5.pk3 (259 files)
D:\EA GAMES\MOHDA\main\Pak4.pk3 (593 files)
D:\EA GAMES\MOHDA\main\Pak3.pk3 (669 files)
D:\EA GAMES\MOHDA\main\Pak2.pk3 (4584 files)
D:\EA GAMES\MOHDA\main\Pak1.pk3 (396 files)
D:\EA GAMES\MOHDA\main\Pak0.pk3 (11174 files)

----------------------
18367 files in pk3 files
execing default.cfg
execing menu.cfg
execing newconfig.cfg
Config: unnamedsoldier.cfg
couldn't exec configs/unnamedsoldier.cfg
execing safemode.cfg
couldn't exec localized.cfg
execing autoexec.cfg
Unknown command "fov"
couldn't exec custom.cfg
...detecting CPU, found AMD w/ 3DNow!

------- Input Initialization -------
Initializing DirectInput...
Couldn't set DI coop level
Falling back to Win32 mouse support...
------- Input Initialization Complete ------- 174
You are now setup for easy mode.
----- Client Initialization -----
Called FadeSound with: 0.000000
----- Initializing Renderer ----
----- R_Init -----
Initializing OpenGL subsystem
...initializing QGL
...calling LoadLibrary( 'C:\WINDOWS\SYSTEM\opengl32.dll' ): succeeded
...setting mode 3: 640 480 FS
...using colorsbits of 16
...calling CDS: ok
...registered window class
...created window@0,0 (640x480)
Initializing OpenGL driver
...getting DC: succeeded
...GLW_ChoosePFD( 16, 16, 0 )
...23 PFDs found
...GLW_ChoosePFD failed
...failed to find an appropriate PIXELFORMAT
...restoring display settings
...WARNING: could not set the given mode (3)
...shutting down QGL
...unloading OpenGL DLL
...assuming '3dfxvgl' is a standalone driver
...initializing QGL
...WARNING: missing Glide installation, assuming no 3Dfx available
...shutting down QGL
GLW_StartOpenGL() - could not load OpenGL subsystem
alors j'y comprends po grand chose j'ai dl le dernier drivers installer
normalement et la derniere version direct x mais ca fonctionne pas je vous
remercie pour votre aide
merciii