Techwarelabs Community - Radeon X700 problem

Just got my new computer, Built it from pieces installed everything. But as soon as i start any 3d application the computer crasch. Even the 3d demo in catalyst control center woun't work.

Updated bios, tried different driver

here´s my specs
System Information
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Time of this report: 12/3/2005, 13:58:41
Machine name: OMEGA2
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.050301-1519)
Language: Swedish (Regional Setting: Swedish)
System Manufacturer: INTEL_
System Model: D915PCM_
BIOS: BIOS Date: 09/13/05 18:42:04 Ver: 08.00.10
Processor: Intel(R) Pentium(R) 4 CPU 3.00GHz (2 CPUs)
Memory: 1022MB RAM
Page File: 226MB used, 2232MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.2180 32bit Unicode

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DxDiag Notes
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DirectX Files Tab: No problems found.
Display Tab 1: The file ati2dvag.dll is not digitally signed, which means that it has not been tested by Microsoft's Windows Hardware Quality Labs (WHQL). You may be able to get a WHQL logo'd driver from the hardware manufacturer.
Sound Tab 1: The file RtkHDAud.sys is not digitally signed, which means that it has not been tested by Microsoft's Windows Hardware Quality Labs (WHQL). You may be able to get a WHQL logo'd driver from the hardware manufacturer.
Music Tab: No problems found.
Input Tab: No problems found.
Network Tab: No problems found.

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DirectX Debug Levels
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Direct3D: 0/4 (n/a)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (n/a)
DirectMusic: 0/5 (n/a)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)

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Display Devices
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Card name: RADEON X700 Series (Omega 2.6.75a)
Manufacturer: ATI Technologies Inc. (Omega 2.6.75a)
Chip type: ATI display adapter (0x5E48)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_5E4D&SUBSYS_203217AF&REV_00
Display Memory: 256.0 MB
Current Mode: 1280 x 1024 (32 bit) (85Hz)
Monitor: Plug and Play-bildskärm
Monitor Max Res: 1600,1200
Driver Name: ati2dvag.dll
Driver Version: 6.14.0010.6575 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 10/14/2005 06:11:22, 241664 bytes
WHQL Logo'd: No
WHQL Date Stamp: None
VDD: Saknas
Mini VDD: ati2mtag.sys
Mini VDD Date: 10/20/2005 04:55:25, 1350144 bytes
Device Identifier: {D7B71EE2-1D0D-11CF-B06D-3800A1C2CB35}
Vendor ID: 0x1002
Device ID: 0x5E4D
SubSys ID: 0x203217AF
Revision ID: 0x0000
Revision ID: 0x0000
Video Accel:

Please help me!!!