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Realtek Driver problem, No sound from headphones with speakers pluged in

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HP Compaq pro 6300 SFF
Microsoft Windows 7 (64-bit)

With the latest Realtek driver and HP HD Sound installed my headphones do not work if the speakers are pluged into the rear green line out port. I assume that they should mute if I plug headphones into the front panel headphone jack. If I unplug the speakers the phones will work. I tried all the sound settings but could not fix this. Headphones don't shoe up in sound properties or devices, only speakers. I uninstalled the Realtek and HP Sound app and drivers and deleted them. I rebooted Windows 7 and let the Microsoft driver install which it did. Problem solved, when phones are pluged in the speakers would mute. Then today I wanted to record some music...Error "No Recording Device Found". I tried all the usual options in sound settings and also MS sound recorder but couldn't record. So I'm stuck. Maybe there is a legacy Realtek driver that will work?

Thanks for any help, Rick

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Thank you for you post and welcome to HP Forum.


I understand you have concern with Audio Recording.


You can try to uninstall and reinstall the Sound card drivers and see if it helps.


 Click Start and type devmgmt.msc, and then Enter. The Device Manager window opens.

 Expand Sound, Video and Game Controllers.

 Right click on the sound card and select Uninstall.

 Restart the computer and check.


If still does not work,

You can install HP support assistant and this should take care of the Driver related issues forever.

Document to refer:





I am an HP Employee

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