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No sound on windows 7 laptop after nvidia update


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#1 forlorn1

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Posted 21 January 2015 - 12:53 PM

I have an older Lenovo T410 laptop on Windows 7 64 bit.  Was running fine, no problems, but a game detected that my Nvidia driver was old, and said it needed and update.  After downloading the driver directly from Nvidia and installing I have no sound.

 

DeviceManager shows 4 sound devices

Conexant 20585 SmartAudio HD

4 x NVIDIA High Definition Audio

 

Service does not has a listing for  AudioSrv, AudioEnpointBuilder,  or Windows Audio Service.

 

I don't have a volume icon in the bottom bar.

 

It appears that the Windows Audio service was deleted but I'm not sure how to get it restored.

 

SFC /SCANNOW completes and I have rebooted allowing it to restore anything it feels was corrupted.

 

 

Any ideas would be greatly appreciated.

 

 

 

 



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#2 Aura

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Posted 21 January 2015 - 12:56 PM

Hi forlorn1 :)

Did you check in your Sound control panel to see which sound card was in use? Go in your Control Panel then click on Hardware and Sound and click on Sound. In the Playback tab, which device is currently in use? Also, are you using the laptop's speakers, headphones, a headset, speakers?

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#3 forlorn1

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Posted 21 January 2015 - 12:59 PM

Control Panel - Sound will not open.

 

I believe that is a side effect of the Windows Audio service not being present, so nothing is selected as a playback device.



#4 Aura

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Posted 21 January 2015 - 01:00 PM

Scratch that. Did you use the "NVIDIA Auto Detect" method, or did you enter your information manually to find the drivers for your graphic card and downloaded/installed them?

Edited by Aura., 21 January 2015 - 01:01 PM.

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#5 forlorn1

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Posted 21 January 2015 - 01:21 PM

I ran dxdiag to get the model number for the laptop, then selected the download manually from the nvidia website.

 

I did a quick install, not custom.

 

Programs and Features lists

NVIDIA Graphics Driver 341.21

NVIDIA HD Audio Driver 1.3.30.1

 

I've tried uninstalling all the NVIDIA drivers and re-installing.  No change in behavior.



#6 Aura

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Posted 21 January 2015 - 01:25 PM

Can you make sure that the "Power Service" is running and set to "Automatic" Start-up in the Services?

Source: http://www.sevenforums.com/sound-audio/39547-no-audio-devices-installed.html

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#7 forlorn1

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Posted 21 January 2015 - 01:46 PM

I have two services

 

Power

Power Manager Service

 

Power was started on boot

 

Power Manager Service is not currently started



#8 Aura

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Posted 21 January 2015 - 01:48 PM

Can you start the Power Manager Service, set the start-up type to "Automatic", then restart your computer and see if your Audio Service shows up?

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#9 forlorn1

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Posted 21 January 2015 - 02:10 PM

Made sure both were set to automatic start.  Rebooted.  Both show as running in Services.

 

Still no audio services listed, no volume control/mixer in task bar



#10 Aura

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Posted 21 January 2015 - 02:17 PM

If you try to run Windows Audio Troubleshooter, from Microsoft, what "error" does it finds/reports?

http://go.microsoft.com/fwlink/?LinkId=260596

Also, if it suggests a solution, which one is it?

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#11 forlorn1

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Posted 21 January 2015 - 06:40 PM

That particular tool doesn't report anything wrong.

 

However,

 

dxdiag reports 

- The computer cannot play audio because the Windows Audio service is not enabled.Enable this service using the Service Management Console.

- No sound card was found.  If one is expected, you should install a sound driver provided by the hardware manufacturer.

 

and the tool of Microsoft's MATS/FixIt website (go.microsoft.com/?linkid=9740814 reports

- One or more audio services are not running

 

And the detail page says the both Windows Audio and Windindows Audio Endpoint Builder must be running.

Neither of those services is listed in the Service Management Console, so I can't start/restart them



#12 Aura

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Posted 21 January 2015 - 06:47 PM

This helps us quite a bit. Go in the Device Manager, click on the View menu and select Show hidden devices. Do you see new devices listed under Sound, video and game controllers?

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#13 forlorn1

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Posted 21 January 2015 - 07:06 PM

Even with Hidden Devices showing its still just

 

Conexant 20585 SmartAudio HD

NVIDIA High Definition Audio

NVIDIA High Definition Audio

NVIDIA High Definition Audio

NVIDIA High Definition Audio
 
 
Nothing new there.
 
 


#14 Aura

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Posted 21 January 2015 - 07:09 PM

Can you download and install the Conexant Audio drivers?

http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t410/downloads/DS004222

Once done, restart your computer and see if the sound is back. Its possible to that installation of the NVIDIA drivers took over the Conexant Audio since it also included audio drivers.

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#15 forlorn1

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Posted 21 January 2015 - 07:23 PM

No joy.  The driver install comes up with the option to "Upgrade" my installation, so it appears to see something there.  The install seems to work fine and comes back with a status of "Success".   I restart and still no sound, speaker icon in the taksbar, and sound in the control panel won't open.

 

 

dxdiag output remains the same.  Device Manager shows the same 5 devices.






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