An Hardware bzw. dem Betriebssystem wird es hoffentlich nicht liegen.
DxDiag-Auszug:
System Information
------------------
Time of this report: 7/16/2011, 21:05:43
Machine name: WINXP
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 3 (2600.xpsp_sp3_gdr.101209-1647)
Language: German (Regional Setting: German)
System Manufacturer: System manufacturer
System Model: P5Q-E
BIOS: BIOS Date: 04/06/09 20:13:11 Ver: 08.00.14
Processor: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz (2 CPUs)
Memory: 3326MB RAM
Page File: 1643MB used, 2531MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.5512 32bit Unicode
Display Devices
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Card name: ATI Radeon HD 4800 Series
Manufacturer: ATI Technologies Inc.
Chip type: ATI Radeon Graphics Processor (0x9440)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_9440&SUBSYS_05021002&REV_00
Display Memory: 512.0 MB
Current Mode: 1680 x 1050 (32 bit) (60Hz)
Monitor: Plug und Play-Monitor
Monitor Max Res: 1600,1200
Driver Name: ati2dvag.dll
Driver Version: 6.14.0010.7200 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 6/8/2011 03:52:08, 302592 bytes
WHQL Logo'd: No
WHQL Date Stamp: None
VDD: Nicht zutreffend
Mini VDD: ati2mtag.sys
Mini VDD Date: 6/8/2011 04:39:22, 6555136 bytes
Device Identifier: {D7B71EE2-D700-11CF-926F-0825A1C2CB35}
Vendor ID: 0x1002
Device ID: 0x9440
SubSys ID: 0x05021002
Revision ID: 0x0000
Revision ID: 0x0000
Video Accel: ModeMPEG2_C ModeMPEG2_D