Please post a dxdiag:
Start - Run (if Vista or Win 7, the search box acts like Run) - type dxdiag - hit Enter - "save all info" button - open txt file and copy/paste EVERYTHING here
Picture of process: http://www.windowsresource.net/cimages/gotodxdiag.jpg
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System Information
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Time of this report: 9/4/2010, 16:05:12
Machine name: DAVID-PC
Operating System: Windows Vista? Home Premium (6.0, Build 6000) (6000.vista_gdr.100218-0019)
Language: English (Regional Setting: English)
System Manufacturer: Dell Inc.
System Model: Inspiron 530s
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: Intel® Pentium® Dual CPU E2200 @ 2.20GHz (2 CPUs), ~2.2GHz
Memory: 3060MB RAM
Page File: 1135MB used, 5187MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 10
DX Setup Parameters: Not found
DxDiag Version: 6.00.6000.16386 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)
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Display Devices
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Card name: Intel® G33/G31 Express Chipset Family
Manufacturer: Intel Corporation
Chip type: Intel® GMA 3100
DAC type: Internal
Device Key: Enum\PCI\VEN_8086&DEV_29C2&SUBSYS_020D1028&REV_02
Display Memory: 287 MB
Dedicated Memory: 0 MB
Shared Memory: 287 MB
Current Mode: 1280 x 1024 (32 bit) (60Hz)
Monitor: Generic PnP Monitor
Driver Name: igdumd32.dll