No audio device installed after windows vista sp2 update

Ok I will try to be as thorough as possible because I want to fix this problem and I hope somebody can help me.
So A few days ago There was an update for my audio driver so I accepted.
But after this update my sound worked but on next use the sound was gone.
So......I used system restore but no help the same thing happened
I went to the hp website to look up my audio driver for my model which was conexant audio 221
After download the driver wouldnt let me install it. I go to check in device manger to install it manually and the sound section is gone literally so i cant reformat or reinstall or anything 0.0
Somebody told me I need to upgrade to windows vista x64 sp2 which was in windows update.
So i tried it and still the same crap
I cant install the sound driver because there is no place in the device manager to install it to
I just get a message saying device installation failed device not found
i dont know what to do
My laptop is a hp dv2700 special edition notebook
Ive had it for a year no problems and this is the first major problem I've had ..............HELP
Past audio driver was conexant : Conexant High-Definition SmartAudio 221 Driver
Ive tried reading through support forums but you have to understand THE SOUND VIDEO GAME CONTROLS SECTION IN DEVICE MANAGER IS GONE
when i go into the programs I find my audio devices which are conexant hd audio and conexant hd audio soft fax modem with smart cp but when I click on them nothing happens

hi, im also exp. the same <text deleted> problem! i also get that error message "quick touch on screen display has stopped working" , lower right corner(volume icon)says"no audio output device is installed", no "video,sound & controllers" on device manager, i had tried reformatting, multible virus\malware scanners, ive tried multible registry cleaners, DL updated drivers, bios, audio(can't install,no audio device),and ive tried all of these conbinations with or without the windows updates, besides the audio prob, the cd/dvd icon's gone frm My comp, cant use the mic, and or webcam, SMART is detecting a hard disk failure now(iminent 2 fail) <text deleted> !,lol... ps HP or Microsoft really needs 2 take this into consideration, im tired of this, i will never buy another HP ever!! or windows!, **bleep** it if i have 2 spent another thousand dollars on a Mac,atleast ill get a much decent,"working" pc, that wontstress the **bleep** out of my mind!
Message Edited by WendyM on 08-09-2009 07:35 PM

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"No Audio Device Installed" in Windows Vista.

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Now, Windows Update has sent me (on 3 occassions the last couple of weeks) an "optional update"...the Realtek High Definition Audio. Each time I download it and install it and do a restart,but I get the same red X over the speaker icon. It's Ground Hog Day!
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This question was solved.
View Solution.

Hi,
My suggetion: Totally uninstall it, reboot the machine and install it again. You can uninstall it from
   Control panel > Device Manager
   It should be under Sound ...
   Right click it & Uninstall
Regards,
BH
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No audio device installed after upgrading to windows 7???

after upgrading to windows 7 audio is not working error audio device not install driver error...

Hi,
You will need to identify your CPU and chipset. CPU-z is a free and safe utility that can do that for you.
If your system has an Intel chipset with disccrete or onboard graphics or an NVIDIA chipset with onboard graphics, then the drivers are here at this Realtek download page.
If your notebook is an AMD CPU and NVIDIA chipset, with a discrete graphics module installed, then the driver for your Conexant CX20549-12 will be here.
Post you results here in your thread so others rsearching for the same information can benefit from it.
Best regards,
erico
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NO AUDIO OUTPUT DEVICE IS INSTALLED AFTER WINDOWS 8.1 UPDATES

Hi,
Getting the error " No Audio Output device installed" on my laptop after installing windows update on 8.1.
Please let me know what can be the cause of this issue.
Product # B6B48AV HP ENVY dv6 Notebook PC
Thanks In Advance.
Ratheesh

Hi rvariar,
Welcome to the HP Support Forums, I have you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I see that you are getting a 'No Audio Output device installed' and I will be happy to help. This could be cause by an issue during the upgrade. The upgrade process should have automatically created a restore point to go back to Windows 8 and then try upgrading again.
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Please click “Accept as Solution ” if you feel my post solved your issue.
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I work on behalf of HP

IDT High Definition (HD) Audio Driver problem after windows 8.1 update 1.

Hello. I have HP Probook 4730s. After I installed Windows 8.1 update 1 the sound driver stopped working properly. When I want to play some music, video or even system sounds, sound appears after 1-2 minutes. At that time HDD usage is 100% cause of windows audio device graph isolation. I’ve installed that IDT High Definition (HD) Audio Driver from HP’s driver support site, but that’s not working. As I see in device manager driver’s release date is 24.10.2012. I think, it’s too old for Windows 8.1. Can you help me? Is there any other newer version of that sound driver? Also I’m sending two pictures where are HDD usage and driver release date.

Hello GDartsimelia,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that after you installed Windows 8.1 on your notebook computer, the sound driver stopped working properly, and I would be happy to guide you towards a resolution!
I am sorry, but to get your issue more exposure, I would suggest posting it in the commercial forums, since this is a commercial product. You can do this at:
http://h30499.www3.hp.com/t5/Notebook-HP-ProBook-EliteBook/bd-p/bsc-274
I hope this helps!
Regards
MechPilot
I work on behalf of HP
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Laptop gone mute after windows vista automatic update

Hi board members
Im currently using an old 5 year old HP pavillion dv6- 1160ei notebook running windows vista home edition 32 bit .My notebook went mute after latest windows automatic update requiring a restart . Now im not having any sound at all , no windows sound , VLC media player can run mp3 files but no sound , videos are mute too . windows media player is giving me an error message , cannot video call on skype too , giving me a message ' no playback device' . Games are mute too
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problem solved , followed David's advice on a previous thread , thank you David for the help
Download the IDT Audio installer on the link below and save it to your Downloads folder.
http://ftp.hp.com/pub/softpaq/sp59501-60000/sp59542.exe
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When complete, shut down the notebook, unplug the AC Adapter and then remove the battery. Hold down the Power button for 30 seconds. Re-insert the battery and plug in the AC Adapter.
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wish it work for the others too

No audio devices installed? (Pavilion g7-1318dx Notebook Windows 7)

Someone please help me out with this, I would be so so soooo grateful.
From out of the blue my Pavilion g7-1318dx Notebook running Windows 7 won't play any audio at all. It says that there are no audio devices installed. I've been reading other posts on this forum for a couple days now, and none of the options have worked for me. Prior to the audio disappearing I haven't updated anything or installed anything new (though yesterday, I did install a few updates hoping that maybe the problem was that something was outdated... but it wasn't). I did a system restore, and still nothing. Also, I can't record sound either (obviously) as it's telling me there are no audio devices installed.
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You can try few more steps..
i) Completely uninstall IDT first from control panel and then download it from here
Temporily disable the anti-virus while re-installing the IDT.
ii) Run HP Support Assitant and check if any HP updates are pending..like BIOS Update..
Recently i came across a similar issue where the sound disappered after a adobe flash update also. So you an try uninstall/reinstall flash and check also.
Let me know what happens..
Also if nothing works then the last step would be to perform a recovery (factory reset). If problem continues after recovery also the it has to be a hardware issue..
Note:
If you have HP Support Assistant installed on the computer(The Blue Question Mark) then open it ==> Complete all pending Updates & Tuneups==> Restart and Check. It may solve your problem
Although I am an HP employee, I am speaking for myself and not for HP.
**Click on “Kudos” Star if you think this reply helped** Or Mark it as "Solved" if issue got fixed.

Windows Vista SP2 fails to install

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error true_e_nosignature(0x800b0100)
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Further examination showed, that the problem lies in the expired digital signatures
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Please see attached image Capture.PNG.
I also reported this bug to the Microsoft Connect: https://connect.microsoft.com/VisualStudio/feedback/details/1082242/clickonce-unable-to-install-localdb-2012-on-windows-vista-sp2
The problematic MSI-s shoud be signed again. Can I expect from Microsoft to resolve
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Hello,
Based on your description, it seems that this issue only occurs on Windows Vista SP2, and I get that connect you shared and have helped to vote it.
I think that Microsoft engineers will evaluate them seriously and provide you better support. In addition, you can post the answer here once the issue is resolved.
Best regards,
Carl
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HP Pavilion dv6 1133-ea Windows Vista SP2

So after install windows vista sp2, I have noticed that the sound has disappeared...all the drivers are installed! AND I really cannot see why the sound would not be there because the drivers and everything are fine...is it some sort of compatability problem?

Hi,
Try the following.
First, uninstall Skype and when this has completed, restart the notebook.
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****Please mark Accept As Solution if it solves your problem****
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Microsoft MVP - Windows Experience

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You can try few more steps..
i) Completely uninstall IDT first from control panel and then download it from here
Temporily disable the anti-virus while re-installing the IDT.
ii) Run HP Support Assitant and check if any HP updates are pending..like BIOS Update..
Recently i came across a similar issue where the sound disappered after a adobe flash update also. So you an try uninstall/reinstall flash and check also.
Let me know what happens..
Also if nothing works then the last step would be to perform a recovery (factory reset). If problem continues after recovery also the it has to be a hardware issue..
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Although I am an HP employee, I am speaking for myself and not for HP.
**Click on “Kudos” Star if you think this reply helped** Or Mark it as "Solved" if issue got fixed.

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No audio device installed after windows vista sp2 update

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