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Troubleshooting Audio Problems with External Speakers, Headphones, and HDMI Sound Devices

This document pertains to HP Notebook PCs with Windows Vista and Windows 7.
This document addresses sound problems with external sound devices when there is sound from the built-in speakers. You should disconnect all external devices and then perform a simple test of the Windows sound system to be sure that sound is audible from the built-in speakers before troubleshooting external sound devices.
Two quick tests
If you suddenly have no sound, there are two settings to check are easily overlooked:
  • Verify the sound is not muted.
  • Verify the correct sound output device is selected.
Troubleshooting issues with external sound devices
If the internal speakers are functioning correctly and you still have an issue with the external devices, continue with the following troubleshooting procedures.

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