voici toute ma config :
System Information
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Time of this report: 12/31/2011, 13:22:10
Machine name: USER-PC
Operating System: Windows 7 Édition Intégrale 32-bit (6.1, Build 7600) (7600.win7_gdr.111025-1503)
Language: French (Regional Setting: French)
System Manufacturer: Dell Inc.
System Model: Inspiron N4020
BIOS: Phoenix ROM BIOS PLUS Version 1.10 A03
Processor: Pentium(R) Dual-Core CPU T4500 @ 2.30GHz (2 CPUs), ~2.3GHz
Memory: 2048MB RAM
Available OS Memory: 2008MB RAM
Page File: 867MB used, 3149MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 32bit Unicode
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DxDiag Notes
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Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Input Tab: No problems found.
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DirectX Debug Levels
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Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)
Display Devices
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Card name: Famille de jeu de puces Express Mobile Intel(R) 45 (Microsoft Corporation - WDDM 1.1)
Manufacturer: Intel Corporation
Chip type: Mobile Intel(R) 4 Series Express Chipset Family
DAC type: Internal
Device Key:
Enum\PCI\VEN_8086&DEV_2A42&SUBSYS_04511028&REV_07
Display Memory: 780 MB
Dedicated Memory: 32 MB
Shared Memory: 748 MB
Current Mode: 1366 x 768 (32 bit) (60Hz)
Monitor Name: Moniteur Plug-and-Play générique
Monitor Model: unknown
Monitor Id: INL0014
Native Mode: 1366 x 768(p) (59.996Hz)
Output Type: Internal
Driver Name: igdumd32.dll,igd10umd32.dll
Driver File Version: 8.15.0010.1749 (English)
Driver Version: 8.15.10.1749
DDI Version: 10
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 7/14/2009 01:15:31, 3805184 bytes
WHQL Logo'd: Yes