Question about HP Pavilion dv7-1245dx Notebook

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Dv7 subwofer is missing so speakers and headphones dont work. Do i need a new subwofer?

I updated everything troubleshotting speakers and headphones, said working fine. I took apart and found out my subwofer is gone. Do i need it for speakers to work? THANKS

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  • yadayada
    yadayada Feb 12, 2012

    Where did the sub woofer go?

  • felecia_disn Feb 13, 2012

    idk i bought it and there was no sub inside

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  • 51 Answers

Generally speaking, sub-woofers are not built into notebook computers, as most sub-woofers would not fit. However, there are generally speakers, and there tend to be problems with the audio drivers in most cases if there is no sound for both speakers and headphones.
Within the notebook, there should only be two speakers. If they're missing, did you buy this used or refurbished? If someone just yanked out the two speakers and carelessly cut or handled the wiring improperly, then this could interrupt the headphone bypass cut-off.
I know you mentioned you'd already verified everything appeared to be working properly, and in some cases updating drivers or uninstalling and re-installing them has a positive result. For the obvious, which I've also forgotten to check sometimes, is whether the output is muted within the volume control and mixer.
In case you hadn't already checked out these, here are a few links you may find useful:http://h10032.www1.hp.com/ctg/Manual/c01613382.pdf
http://h10032.www1.hp.com/ctg/Manual/c01613127.pdf

As always, the more complete the information up front, the better the potential for a solution. I hope this helps!

Posted on Feb 13, 2012

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