Question about Compaq Presario 700 470024-192 Notebook

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No internal sound but it working in headphone

I have compaq presario c770tu laptop model. & have problem in sound, sound not come form laptop speaker but it came in head phone

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You need to reinstall the audio driver ,some time it happens the audio comes from headphone and internal speakers stops working.
if you are using win xp, you need to uninsall the audio driver from device manager and then you need to install uaa driver and then conexant high defination audio driver. i m very much sure it will resolve you issue. in win xp , the audio driver has to be installed manually from device manager..here are the links for audio
http://tinyurl.com/smkuw muaa
http://tinyurl.com/2prndu conexant audio driver

process of installation :-

Open device manager and right-click on Audio device on High definition Audio Bus.
Select Install from a list of specific location (Advanced) Click Next
Select Don’t Search. I will choose the driver to install.
Select Sound, Game & video controller from the list of Hardware type
Click on Have Disk
Click on Browse and navigate to C:swsetupsp35270 and click on Open and OK
Click Next
It will give you an update driver warning message. Click on yes.
It will start installing the driver
Click on Finish

Posted on Dec 29, 2008

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Maybe the internal speakers are burned

Posted on Dec 24, 2008

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3 Answers

My compaq sound is not coming from internal speaker but it is coming from headphones,


its a pure Hareware issue.
get this fixed.
avoid doing it by tourself .
it has got tiny parts and crisp cables.

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Sound comes from both speaker and headphone of my compaq c770tu laptop what can i do ?


Do the following:

Unplug laptop cord and remove battery to reset the laptop.

Restart the laptop wint headphone jack IN.

After Windows has restarted with headphone plugged, while windows is on, unplug headphones and restart Windows again with headphones NOT plugged this time.

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You need to check if internal speakers connection / cable is hooked up properly. You may need to open up the pc to see. If help needed on this, please as a technician to assist if you're not comfortable enough in opening it up alll by yourself.

If the connection or the internal speakers is busted, parts may need replacement.

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