Pb call of dutty

Bonjour,
j'ai un pb avec mon jeux call of duty, depuis que j'ai reformaté mon ordi lorsque je lance cod il me met :

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Ereur fatale
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Chargement de OpenGL impossible. Vérifiez que vous avez correctement installé les pilotes les plus récents de carte graphique depuis le site officiel du constructeur.
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OK
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ensuite je clique sur ok et il me met :

COD MP 1.5 build win-x86 Nov 10 2004
----- FS_Startup -----
Current language: english
Current search path:
C:\PROGRA~1\CALLOF~1\main\pakb.pk3 (60 files)
C:\PROGRA~1\CALLOF~1\main\paka.pk3 (41 files)
C:\PROGRA~1\CALLOF~1\main\pak9.pk3 (149 files)
C:\PROGRA~1\CALLOF~1\main\pak8.pk3 (235 files)
C:\PROGRA~1\CALLOF~1\main\pak6.pk3 (3 files)
C:\PROGRA~1\CALLOF~1\main\pak5.pk3 (4858 files)
C:\PROGRA~1\CALLOF~1\main\pak4.pk3 (1668 files)
C:\PROGRA~1\CALLOF~1\main\pak3.pk3 (1992 files)
C:\PROGRA~1\CALLOF~1\main\pak2.pk3 (694 files)
C:\PROGRA~1\CALLOF~1\main\pak1.pk3 (2642 files)
C:\PROGRA~1\CALLOF~1\main\pak0.pk3 (12816 files)
C:\PROGRA~1\CALLOF~1/main

File Handles:
----------------------
30180 files in pk3 files
execing default_mp.cfg
couldn't exec language.cfg
couldn't exec config_mp.cfg
couldn't exec autoexec_mp.cfg
========= autoconfigure
configure_mp.csv: using configuration 2000 cpu MHz 256 sys MB 32 vid MB
execing configure_mp.cfg
cl_language will be changed upon restarting.
fs_basepath is write protected.
fs_homepath is write protected.
Hunk_Clear: reset the hunk ok
...detecting CPU, found Intel Pentium III
Measured CPU speed is 2.80 GHz
System memory is 1023 MB (capped at 1 GB)
Video card memory is 0 MB
Streaming SIMD Extensions (SSE) supported

Winsock Initialized
Opening IP socket: localhost:28960
Hostname: XP
IP: 192.168.1.11
----- Client Initialization -----
----- Initializing Renderer ----
-------------------------------
----- Client Initialization Complete -----
----- R_Init -----
Initializing OpenGL subsystem
...initializing QGL
...calling LoadLibrary( 'C:\WINDOWS\system32\opengl32.dll' ): succeeded
...setting mode 3: 640 480 FS
...using colorbits of 32
...calling CDS: ok
...registered window class
...created window@0,0 (640x480)
Initializing OpenGL driver
...getting DC: succeeded
...GLW_ChoosePFD( 32, 24, 8 )
...35 PFDs found
...GLW_ChoosePFD failed
...GLW_ChoosePFD( 32, 24, 0 )
...35 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
----- CL_Shutdown -----
RE_Shutdown( 1 )
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Hunk_Clear: reset the hunk ok
Chargement de OpenGL impossible. Vérifiez que vous avez correctement installé les pilotes les plus récents de carte graphique depuis le site officiel du constructeur.

Pouvez vous m'aidez svp