Hello djwhit99,
I understand that you are having an issue with the internal speakers, but you are able to headphones and hear sound. I have included the following document 'Troubleshooting Sound Problems with External Speakers and Headsets in Windows 7'. Please follow through all the steps in order for the best result.
Please let me know if you are able to hear any sound after these steps, thank you.
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Re: DV7 - no speaker sound without headphones plugged in
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