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Posted on Apr 26, 2008

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

  • 7 more comments 
  • 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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carla J

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  • Posted on Apr 30, 2008
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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.

  • 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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snkoha

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  • Posted on Apr 30, 2008
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1helpful
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I have a Dell Latitude C640 laptop computer. I

If you go to control panel/system/hardware/device manager. You can roll back to your previous driver. Unless of course it wasn't working then either. In that case disregard this solution : )
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Need drivers for pci modem and video controller (vga compatitble)for dell latitude c540/640

The drivers for c540 and c640 are different.

C540 Drivers - http://support.dell.com/support/downloads/driverslist.aspx?c=us&l=en&s=gen&ServiceTag=&SystemID=LAT_PNT_CEL_C540&os=WW1&osl=en&catid=&impid=

C640 Drivers - http://support.dell.com/support/downloads/driverslist.aspx?c=us&l=en&s=gen&os=WW1&osl=en&catid=&impid=&SystemID=LAT_PNT_P4N_C640
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I need soundcard driver of dell latitude c640 laptop eg. cs4205 crystal

Assuming you are using Windows XP
Crystal Driver
Applies to
CS2405
Download Dell Latitude C640 Audio Driver

I hope this resolves your problem

In case you need any other drivers for the same model or different operating system
Download other Drivers

All the best
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Audio driver dell latitude C640 not working on my laptop

http://supportapj.dell.com/support/downloads/driverslist.aspx?c=in&l=en&s=gen&ServiceTag=&SystemID=LAT_PNT_P4N_C640&os=WW1&osl=en&catid=&impid=

download drivers from here
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Dell Latitude c540/640

Windows Vista is not supported on Dell Latitude C540/C640. There are no drivers for the hardware of this model. Many older computers have that problem. You can try Microsoft to see if they even exist: http://www.microsoft.com/uk/windows/products/windowsvista/buyorupgrade/upgradeadvisor.mspx
You might have to fall back to XP.




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Dell latitude c640 audio problems

as you are telling your driver has not been installed properly please visit the manufacture website and download latest driver and reinstall it( before installing remove the existing driver)
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Dell latitude c640 audio problem

what u should do is
turn off your system
press and hold Fn key,power on the system, leave Fn key
computer will perform a diag
after those diags you will get 4 options you have to choose symptom TREE
you will get options look for any option which says sound or audio
if you hear sounds at that time you need to reinstall the drivers as it states that sound card is working fine
or else
provide me your system's service tag located at the bottom pannel of your system, turn it upside down you will find a bar coded sticker which has a 7 digit alphanumeric number
it will be much more easier for me to provide u a resolution
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Dell latitude c640 sound drivers

Try installing Microsoft UAA Drivers, you can find em in google.
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