Question about HP Compaq Presario C700T

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I recently received a secondhand Presario C700 that was pro claimed dead. Actually the video cable had come undone. I simply took it apart plugged the cable back in and I was overjoyed to have free, fully working laptop. I reinstalled Vista using the Recovery partition and found that the audio wasn't working. I went into the device manager only to find NO OPTION FOR SOUND. The taskbar displays a speaker with a red X. When I mouse over it a notification window appears stating "No Audio Output Device is installed." I have been online and downloaded the proper driver the installation runs but at the very last second displays an error. I have taken the computer apart and cannot see and damage to the Conexant chip. I have tried installing the UAA, no luck I do not need a link to HP's site (Honestly I despise the company anyway). What I need to know is if I can fix this without replacing the motherboard. If not, I will simply purchase a USB sound card. Any help?

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Try doing these,After installing the UAA driver and rebooting,from device manager,right click "Audio device On HD",choose update driver,No to connect,Install from a list or specific location,Don't search for i will choose the driver to install,in the list of common Hardware types,scroll down and select Sound,Video and game Controllers.Remove the check from "Compatible Hardware" and click on "Have Disk".Next ......Browse to where the extracted SWsetup Folder is and locate the particular SW Setup for Sound and Choose the .inf File Ignore when it complains. Reboot

Posted on Dec 31, 2010

  • Jeff Hammond
    Jeff Hammond Dec 31, 2010

    I'm sure this would normally work but my device manager does not display anything related to audio :(

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I think going with the USB sound card is your best option and least expensive, because you have tried everything within reason. The only other idea I have is try and find the original recovery disc because you will run into less problems than using a partition on the hard drive.

Posted on Dec 31, 2010

  • Jeff Hammond
    Jeff Hammond Dec 31, 2010

    Thanx! Unfortunately I do not have the disc :( And I don't wanna pay HP for it. Haha

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I think you have successfully troubleshot this issue.
The fact that there was a disconnected monitor cable inside of the laptop tells me that someone was inside the laptop before you and they weren't very careful.
The one last ditch effort I would take is to download the latest firmware for this laptop and install that to see whether or not the firmware had become corrupted.
You've done a very good job trouble-shooting this issue.
Enjoy the free laptop!

Posted on Dec 31, 2010

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Posted on Jan 02, 2017

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No surround sound when watching tv or other programs also when you turn the sound down the volume numbers go up.


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copy and paste the link below on the browser.....you will be redirected to compaq preasario c700 drivers page.....there you can choose the model and it will ask what operating system....if you click the operating system....you will be redirected to the drivers download page....there you can download it.....it is free of cost.....try this....it work 100%.....


http://h10025.www1.hp.com/ewfrf/wc/swPfinder?lc=en&dlc=en&cc=us&tool=softwareCategory&query=compaq+presario+C700

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Did you try swapping speakers? Move the left one to the center and the center to the left. Does the center remain "distorted"? Does the left become "distorted"? If the center remains distorted, the receiver's center channel has something wrong with it. If the left is distorted, the speaker has a problem.

For the future. it is un-neceaasy to purchase expensive cables. In fact it could make things worse. The claim to fame of most expensive cable manufacturers is the gold plating on the connectors. Unless the bioth sides have gold plating (receiver, cable box) this actually creates a capacitive reactance between the different metal types. FYI-capacitive and inductive capacitances are the basis for designeing cross-overs, filters, etc. So basically, an undesired filtering effect is created. This applies to speaker cables, audio, video, etc....

Jeff

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