cf千变好看配色:DirectX3D的问题

我的电脑不知道为什么directx诊断总是说我的directx3D不可用.别的都没有什么事.请教各位大虾.我安装最新驱动程序也是不行.还说让我确认驱动程序是来自硬件生产厂商的最终版本.以前一直很好的（好几年了），昨天突然出了问题，郁闷......

系统信息:
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System Information
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Time of this report: 7/1/2006, 15:51:49
Machine name: LZC-59B7D323A6A
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.050301-1519)
Language: Chinese (Regional Setting: Chinese)
System Manufacturer: AWARD_
System Model: AWRDACPI
BIOS: Ver 1.63A
Processor: Intel Celeron, ~1.0GHz
Memory: 352MB RAM
Page File: 169MB used, 684MB 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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Display Devices
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Card name: SiS 630/730
Manufacturer: SiS
Chip type: SiS 630
DAC type: SiS
Device Key: Enum\PCI\VEN_1039&DEV_6300&SUBSYS_09991019&REV_21
Display Memory: n/a
Current Mode: 800 x 600 (32 bit) (85Hz)
Monitor: Monitor Max Res: 1600,1200
Driver Name: SiS630v.dll
Driver Version: 6.13.0010.2090 (English)
DDI Version: unknown
Driver Attributes: Final Retail
Driver Date/Size: 1/23/2003 18:10:48, 254208 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: n/a
VDD: Mini VDD: sis630p.sys
Mini VDD Date: 1/23/2003 18:12:48, 164608 bytes
Device Identifier: {D7B71ED9-2040-11CF-837B-932983C2CB35}
Vendor ID: 0x1039
Device ID: 0x6300
SubSys ID: 0x09991019
Revision ID: 0x0021
Revision ID: 0x0021
Video Accel:
Deinterlace Caps: n/a
Registry: OK
DDraw Status: Not Available <---
D3D Status: Not Available <---
AGP Status: Not Available <---
DDraw Test Result: Not run
D3D7 Test Result: Not run
D3D8 Test Result: Not run
D3D9 Test Result: Not run