Question about HP Pavilion dv9000z Notebook

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Reply - still have dv 600 speaker issue - thank you!

Comment by rumali, posted on Sep 06, 2008 Thank you so much for responding, this is wonderful.

When I plug in headphones, I don't hear the buzzing.
I don't hear anything, not even playback - I tried playing a song from Windows Media Player library, and nothing emits from on board speakers or headphones...of course, the buzz still here:)
When I plug the headphone into the jack, I do hear a slight electric sound so at least I know they're working.

I just discovered the Microsoft ISATAP Adapter (don't know if that's associated) has a warning : "This device is not working properly because Windows cannot load the drivers required for this device. (Code 31)" . The problem code value = 0000001F (if that means anything?).

Next, I just uninstalled Audacity - I'm gonna reboot now, and log back on.

I wonder if it is an impedence issue - the amp made an awful loud sound if the mic jack or the gain knob were adjusted/wiggled.
If the amp impedence is wacked, is it or the computer speakers

Thanks again, I will reply momentarily re: uninstall of Audacity. Comment by rumali, posted on Sep 06, 2008 Hi, I'm back after rebooting, and the buzz is not killed:)
btw, Last night I did a restore to a date previous to the buzzing - no change.
So, does it seem like the impedence problem...what can I try next?
Thank you again for your advice - thanx for being here!

Posted by on

  • rumali Sep 06, 2008

    Oh CRUD, I did use speaker out...
    I too thought no audio in phones was strange - b/c I could hear the plug contact the I did confirm the volume was up, and speakers/vol levels selected in the audio section were appropriate...(as far as I know).

    Another odd thing I noticed upon reboot, is that when the computer starts up, the buzz starts out really slow, and speeds up as the computer 'loads/starts up' if something is 'winding/warming up', connected to the electric buzz.
    I also find it odd that if I press on the silver screen above the keyboard, it momentarily interrupts the sound (the only thing that does).

    I have uninstalled the ISATAP & restarted - no change.
    Any more advice?
    What would be the status/resolution if it's indeed an impedence issue? Or do I want to know...



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It is strange that your headphones aren't giving you audio. Did you turn the Windows volume back up? If so, go into control panel and see if there are any problematic drivers in the audio section. Uninstall that ISATAP for starters, plus any other ones that show an "X" or "!". Then reboot and see what happens.

You must always only use "Line out" of an amplifier, NEVER speaker out.

Posted on Sep 06, 2008

  • Steve Froese
    Steve Froese Sep 06, 2008

    Since you overdrove your input, I wouldn't be surprised if you blew your audio chip..... It's the only thing that seems to make sense. Other than re-installing windows to see what happens :(



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