KIW72
1 Copper

Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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Hi to all.

On my Dell OptiPlex 755 E6550 2.33, I've had intermittent issues with the headphone socket suddenly stopping working for quite some time,sometimes problem is auto detected and fixed, sometimes I download a driver or three to resolve. This time nothing is helping no matter what drivers I've tried. Have Win 7 Ultimate installed with just on-board sound. No sound or audio shows up in device manager? Are 755's fickle with on-board sound or just too many sound drivers installed? Any ideas please.

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7- Thorium

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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Dell models that were not part of windows 7 aka before 2009 will need the OEM soundmax driver before things work consitently.   You need the 32 or 64 bit version.

AUDIO ESP does NOT work with the Generic Driver. And things like headphones and the internal business speaker do NOT work with the generic driver.

There are no WIN7 Drivers so you must use VISTA WDDM 1.0 drivers.

You should also reinstall directx June 2010

https://www.microsoft.com/en-us/download/details.aspx?id=8109

You download the file into a folder.  Then extract the files and run DXSETUP.EXE   Applies to XP/VISTA/WIN7/8/10

Description Supported OS Download
Analog Devices ADI 198x Integrated HD Audio, v.6.10.x.5491, A02
Analog Devices HD Audio driverMore details
Windows Vista 64-bit
Windows Vista 32-bit

Applies to win 7 8 10


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13 Replies
Moderator
Moderator

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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There could be multiple hidden audio devices.

* Press windows key + R
* Enter cmd, click OK
* Type cd\ [press Enter]
* Type set devmgr_show_nonpresent_devices=1 [press Enter]
* Type devmgmt.msc [press Enter]
* Once the Device Manager opens, open Sound and see if you have multiple grey out items. If yes, delete them, then restart the computer and retest

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7- Thorium

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

Jump to solution

Dell models that were not part of windows 7 aka before 2009 will need the OEM soundmax driver before things work consitently.   You need the 32 or 64 bit version.

AUDIO ESP does NOT work with the Generic Driver. And things like headphones and the internal business speaker do NOT work with the generic driver.

There are no WIN7 Drivers so you must use VISTA WDDM 1.0 drivers.

You should also reinstall directx June 2010

https://www.microsoft.com/en-us/download/details.aspx?id=8109

You download the file into a folder.  Then extract the files and run DXSETUP.EXE   Applies to XP/VISTA/WIN7/8/10

Description Supported OS Download
Analog Devices ADI 198x Integrated HD Audio, v.6.10.x.5491, A02
Analog Devices HD Audio driverMore details
Windows Vista 64-bit
Windows Vista 32-bit

Applies to win 7 8 10


Report Unresolved Customer Service Issues
here

I do not work for Dell. I too am a user.

The forum is primarily user to user, with Dell employees moderating
Contact USA Technical Support






Get Support on Twitter @DellCaresPro

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KIW72
1 Copper

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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Hi Chris.

Many thanks for taking the time to reply. Your tip ovens up device manager (which I'd previously done but didn't include the results sorry) It does not list any sound devices whatsoever any more, yet did until (I suspect) a windows update possibly removed it. This has happened several times previously yet a download of a soundmax driver has normally cured it, sometimes Windows searches for a driver and installs. This time no amount of drivers will resolve. It could be hardware, as has been very intermittent over the last year, but when I google the issue many other Dell users seem to have encountered it.

Thanks again.

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Moderator
Moderator

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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Did you follow SpeedSteps advice? You should disable Windows auto update function so it does not install audio driver on its own.

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7- Thorium

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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The other piece of the puzzle is legacy direct play which comes from control panel add features to windows.

Before previous drivers will work in windows 7/8/10 you have to enable legacy features like DOTNET 2.0 3.5  and Directshow.  You must then install DIRECTX JUNE 2010 DRIVERS by downloading the file and extracting into a folder and running DXSETUP.exe.

Directx June 2010 which you download and extract to a FOLDER then run DXsetup.exe as administrator.

http://www.microsoft.com/en-us/download/details.aspx?id=8109

 

in control panel, all control panel items,  programs and features.

http://msdn.microsoft.com/en-us/library/hh506443%28v=vs.110%29.aspx

 

Enable dotnet 2.0 3.5

enable legacy directshow.

Install Directx June 2010 Patch.

Downloading Directx june 2010 does not install it.  You have to extract the file into a folder and then run DXSETUP.EXE as administrator.

 

 

Legacy audio APIs such as DirectSound, DirectShow, and the waveOutXxx functions enable applications to get and set the volume levels of audio streams.

Windows Media Source Filter. This behavior was maintained to ensure backward compatibility with applications that used the Windows Media Player 6.4. New applications should use the newer versions of QASF, which make the WM ASF Reader filter the default filter for playing ASF files.

 


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I do not work for Dell. I too am a user.

The forum is primarily user to user, with Dell employees moderating
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KIW72
1 Copper

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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Hi speedstep.

Many thanks for taking the time and trouble to spell out a possible resolution.

Unfortunately I'm failing at the first hurdle,  as so far am completely unable to download the directx portion Keeps timing out.of the download.

Will try again later.

Thanks again.

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KIW72
1 Copper

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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Hi speedstep.

Have managed to download directx and, unzip components and run. I then ran R164900 driver ( I already had tried this from Dell) Not made any difference sadly. I seem to have Net framework 4.6.1 installed? Have checked the two boxes you suggested.

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7- Thorium

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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You have to run it in compatibility mode  for vista sp2 and Administrator.

If its too corrupted you may need to re do everything from scratch.

I know this driver works fine with win7 win8 and win10 because I tested it on all 3 versions of windows.

When you check the boxes it has to be online because it gets the files from microsoft online.  If you are not online when its checked it will fail.  You could also have malware.  Easiest way to check this is by F12 booting a Knoppix 7 DVD or a Dell Diagnostics CD or USB Flash Drive.

Description Supported OS Download
Dell 32 Bit Diagnostics Utility
This package provides Dell 32 Bit Diagnostics Utility for Dimension, Inspirion, Latitude, OptiPlex, Precision, Vostro and XPS models that are running the following Windows Operating Systems: XP and VISTA.More details
Windows Vista 32-bit
Windows XP Embedded
Windows XP
Windows Vista 64-bit
Windows XP x64
 

 

 


 


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I do not work for Dell. I too am a user.

The forum is primarily user to user, with Dell employees moderating
Contact USA Technical Support






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KIW72
1 Copper

RE: Dell OptiPlex 755 No Audio Output device and no Sound/Audio in Device Manager

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Hi speedstep.

I've run incompatibility mode and as admin not made any difference sadly. No mater which way I run the driver I get audio drivers do not support this version of software? I also have issues with ie11, I cannot access Hotmail for example unless I run a ie11 window as admin? I've also suspected malware a possible issue, yet have run various tools and rootkits and found nothing! Perhaps my Win 7 install has got corrupted?

Many thanks for all your help, if nothing else I've learned quite a bit!

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