Missing info in Dxdiag

[andrewh817]

Ever since I reinstalled Windows my sound hasn't worked and I'm wondering if it had anything to do with the BIOS info missing. The sound is "working properly" in the Device Manager but there is No Audio Device when in the Control Panel. So how do I get the BIOS info on there and get my sound to work?

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System Information
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Time of this report: 10/11/2008, 18:41:44
Machine name: HIGHLAND
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_rtm.040803-2158)
Language: English (Regional Setting: English)
System Manufacturer: n/a
System Model: n/a
BIOS: n/a
Processor: AMD Sempron(tm) 3000+, MMX, 3DNow, ~2.0GHz
Memory: 1024MB RAM
Page File: 165MB used, 2297MB 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: No problems found.
Sound Tab 1: No sound card was found. If one is expected, you should install a sound driver provided by the hardware manufacturer.
Music Tab: No problems found.
Input Tab: No problems found.
Network Tab: No problems found.