No Sound !   in windows 

   Here are a few thing's to check :

  1. Check sound level adjustment both in software and on speakers themselves . (This may sound pretty oblivious but people do forget to check this )
  2. Are the audio cables connected correctly (green jack connection for 2 speaker stereo )
  3. do  mains powered speakers have power !
  4. Check that  the Audio card or interface enabled in the bios setup
  5. are the necessary drivers installed either for the on board sound or addin card. Check device manager for tell tail yellow exclamation symbol !   
  6. If there is a red 'X' either the device is disabled or has a fault .
  7. Does the device manager show a conflict of resources i.e. IRQ , address .   if so re-allocate a unused resource to the device.
  8. Can you play a cd but don't here start and exit sounds .Try allocating a different sound file it may have become corrupt to pc events.
  9. Try cleaning pci sound card connector edge with a pencil eraser and re-inserting.
  10. Try Pci card in a different slot.
  11. Try disabling other hardware in device manager which may be conflicting.
  12. If you hear sound on pc events but not from a cd in play . check the internal sound link from cd player to sound card or interface ,  is attached

In windows Xp other helpful  information can be obtained from system information utility or DirectX Diagnostic's utility or use system help troubleshooters !

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Revised: April 07, 2007