Problème carte graphique?

Bonjour,


J'avais l'habitude de jouer à des jeux télécharés.
Depuis un certain temps, plus moyen de les ouvrir; le téléchargement se fait normalement.
Suis complétement perdue!
Qui pourrait m'aider????
Merci!

System Information
------------------
Time of this report: 3/2/2011, 20:02:45
Machine name: SÉVERINE-PC
Operating System: Windows 7 Édition Familiale Premium 64-bit (6.1, Build 7600) (7600.win7_gdr.101026-1503)
Language: French (Regional Setting: French)
System Manufacturer: Acer
System Model: Aspire 7740
BIOS: Ver 1.00PARTTBL
Processor: Intel(R) Core(TM) i3 CPU M 330 @ 2.13GHz (4 CPUs), ~2.1GHz
Memory: 4096MB RAM
Available OS Memory: 3764MB RAM
Page File: 3352MB used, 4174MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: 96 DPI (100 percent)
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 64bit Unicode

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DxDiag Notes
------------
Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Sound Tab 2: 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)