Missing Multimedia Audio Controller

Windows XP Professional Service Pack 3 (build 2600)
Hewlett-Packard HP d220 MT (DW984A)
System Serial Number: MXD42007MK
Enclosure Type: Desktop
2.80 gigahertz Intel Pentium 4
8 kilobyte primary memory cache
512 kilobyte secondary memory cache



So no sound is coming from my computer at all. Everything is connected properly. I don't have the software that came with the computer because the computer wasn't originally mine. How do I get my sound to work?
 
Check if Windows reports any problem devices
  • First make sure all your devices are connected and powered on
  • Click Start->Run, enter: msinfo32. Click the + sign next to Components to expand it
  • Click Problem Devices. Anything appear?
  • If yes, click on it, Ctrl-A to select all, Ctrl-C to copy it, Ctrl-V to paste into next post
 
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