Question about Dell Latitude C640 Notebook

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Dell latitude c640 audio problems

I still have no sound on my dell latitude C 640,when i go to device manager it shows legacy audio drivers installed by win xp which do not work.I've tried the drivers provided by dell but they dont work.please assist.where possible,provide solutions that have been tested and actually work.thanks.please anyone out there,any form of assistance will be appreciated

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  • carla J Apr 30, 2008

    yes i too, have been experiencing no sound on my dell lattitude c640 notebook as well, in device manager it too says that the devices and drivers are all working properly and also i have tried to download new drivers from the dell website and still the NO Sound problems still exists, pls anyone out there can you pls help in this constant problem that i have been experiencing for over 2months now.Please Help ASAP.
    Thank You.

  • skaruppiah May 13, 2008

    Audio is not working in spite of installing software loaded from dell. can anyone advise the solution.

  • Anonymous Nov 25, 2008

    Had the same problem with a c640 it was found to be caused by a faulty internal modem, the card was replaced and the audio worked fine.

  • Anonymous Feb 20, 2009

    I'm running a Crystal 4205 on a Dell C840. I've checked the device which is working properly. The message says the device works but is not started.

    How do I start the Crystal 4205


  • gregrankin2 Feb 26, 2009

    Device manager reports all's well but when I open Sounds and Audio Devices from Control Panel everything's a gloomy shade of grey. I try to troubleshoot but it fails to open and Help and Support has disappeared too.

  • Anonymous Mar 29, 2009

    my audio driver is not install and i cannot hear any sound soo plz install my c640 laptop audio driver

  • KING RULES Apr 14, 2009

    i still have no sound on my dell latitude C 610 when i go to device
    manager it shows legacy audio drivers installed by win xp which do not
    work.I've tried the drivers provided by dell but they dont work.please
    assist.where possible,provide solutions that have been tested and
    actually work.thanks.please anyone out there,any form of assistance will be appreciated

  • brianstrator May 14, 2009

    I just turned on my laptop one day and the sound did not work. I cannot hear any sound on any website, please help.

  • Anonymous Mar 31, 2014

    no sound

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Yes i have checked sound cards and it still does not fix my sound problems, any other suggestions, any is appreciative,thanks.

Posted on Apr 30, 2008

  • carla J Apr 30, 2008

    like i said previously i still cannot hear sounds coming from my laptop it is totally frustrating, and if there's anyone with ideas for this problem, pls feel free to post it up for me.My sound shuts off within 15mins of loading windows and will turn back on only if on standby mode, i have no idea why, and when it turn back on it'll only stay on for approx.5more mins and shut off again.I have done everything, checked device manager for yellow exclamation mark next to device and troubleshooted, still no luck, i have reinstalled new drivers for my sound device, still no resolution, i have done everything i can think of, pls anyone out there with a solution that i have not tried as yet, i am open to anything at this point, pls help.Thanks.

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Check sound card

Posted on Apr 30, 2008

Check sound card

Posted on Apr 30, 2008

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