Audio Output Device Missing

I know that this isn't a new problem to people, but I can't conclude whether or not there's been a solution for this yet. My issue is that my partition of Windows Vista is only missing an Audio Output Device.

Welcome to Lenovo Community! MintyAnt
1. Uninstall existing audio driver and restart your computer.
2. Could you try update your system with System Update? Go to Control Panel > Lenovo - Update and drivers > Update all drivers.
3. If problem still persist after the following steps above, contact Tech Support.
Hope this helps
Peter
W520 (4284-A99) | Samsung Galaxy S3 i9300 - Cyanogenmod 10.2 / GoogyMax Kernel
Give kudos to reward people for their assistance | Mark the thread solved if the solution works | Direct e-mail regarding technical problems will be ignored
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NO Audio output Device is installed as well as NO sound, video, or game tab in the device manager

Here is the issue I had with with my Compaq F700 series laptop. The sound was working one day and then not working the next. Over the volume icon there was a big red X and the warning that No Audio output Device is installed. I also found that there no longer was the sound, video, game tab in the device manager. It had gone missing.
I couldn't use most of the fixes as they require having the sound, video, game tab available and this tab was, as I said missing. I tried reinstalling the sound drivers from the manufacturer’s website as well as using the driver re-install, but at each attempt it would fail as a result of not having any audio devices installed on the computer.
I tried doing the system restore and rolling it back but the problem didn't get resolved. What eventually worked was restoring the system to a MUCH earlier date, like a month prior to the problem. When the restore finished the sound was still not fixed. HOWEVER, the computer OS (WINDOWS 7) needed to re-install a bunch of updates and after the updates were installed, everything was working. I suspect that the original issue was a bad update (the updates didn't install correctly) and that by rolling the system back to a time prior to the bad updates and then re-installing the update was the fix.
With that said, if the restore option doesn’t work or can’t be done I would try looking through the add/remove programs in the control panel and uninstall the most recent system updates, then restart computer and let the updates re-install.
Good Luck

Only option that I see in the BIOS is under Security. Audio Device: Hidden or Available. It was set to available and I left it at that. Still no audio.
Really? Nothing? This computer is one year old. Absolutely no reason for this to be happening. What a joke.

Changing audio output device for currently running program

I'm not sure where to put this question, but all my searching hasn't seemed to find an answer...
If I have a program running, iTunes, VLC, a game, whatever, and want to change audio output from say Line Out to Headphones, I have to restart the program for the change to take effect. Is this by design/normal or am I missing something somewhere?

this is actually a quiet significant issue. There is no way in Flash to select the audio output device.
Today people have regular speakers and a separate headset. They all use the speakers for music and the headset for voice. Skype i.e. has the option to choose audio output device and its really handy, because
you dont have to bother to set the default device to the headset everytime you want to use it.
If you set the default device to the headset all other apps will send their audio output to the headset - which is not what you want either.
So people really want to leave the default device set to the speakers and not to the headset.
Nokia did this for Java
JRT 2.1 / Nokia UI API updated to version 1.4:
AudioOutputControl extension for controlling which audio output device, for example the device loudspeaker or earpiece, is used to play back audio
This really is an issue.

Changing audio output device

Hi,
I'm building an application that uses LCCS for video calls.
We've encountered an issue that we couldn't find any solution for and we believe is crucial.
Since the current version doesn't support AEC, all our users uses headphones to use the service.
The problem is, that to the best of my knowledge, if you plug-in USB headset, there is no way to make flash switch to using them instead of the regular audio output. If that is true,this means that assuming a user has USB headphones, even if we will add a note in the application saying "use headset to reduce echo" - that won't help as the user has no way of using his headset with our application.
Am i missing something? please tell me I am.
Thanks,
Itzik.

this is actually a quiet significant issue. There is no way in Flash to select the audio output device.
Today people have regular speakers and a separate headset. They all use the speakers for music and the headset for voice. Skype i.e. has the option to choose audio output device and its really handy, because
you dont have to bother to set the default device to the headset everytime you want to use it.
If you set the default device to the headset all other apps will send their audio output to the headset - which is not what you want either.
So people really want to leave the default device set to the speakers and not to the headset.
Nokia did this for Java
JRT 2.1 / Nokia UI API updated to version 1.4:
AudioOutputControl extension for controlling which audio output device, for example the device loudspeaker or earpiece, is used to play back audio
This really is an issue.

Error '' No Audio Output Device is installed '' on my hp pavilion 9502au laptop ?

Hello ,
It happened yesterday while watching a movie in VLC player ... It closed the lid of my laptop and my laptop went into standby ....
Then I tried to open the laptop through pressing power button or mouse button. It didnt start. I had to remove the battery and my laptop started , but i noticed a red x on my sound icon. when i took my pointer there , it stated '' No Audio Output Device is installed ''..
Till now , I SWITCHED MY WINDOWS FROM X64 TO 32 BIT , DEVICE MANAGER SHOWS NO sound , video , controllers... manually installing a hardware display all devices of conexant but not mine.. all are video capture.... registry entries are ok , but no sound related registry .... windows services are ok.... drivers are not installing , as they cannot find the devices .. moreover BIOS is up-to-date.....
GUYS , ANY HELP WOULD BE APPRECIATED....
This question was solved.
View Solution.

Missing completely from device manager on an integrated component typically indicates a hardware issue. It's not something that could have a loose connection as it is soldered onto the motherboard.
If you want to be absolutely 100% certain that it's not a software issue, you could perform a full HP system recovery back to factory conditions. That would confirm without any doubt whether it is a hardware or software issue, but it is more than likely a hardware failure based on the behavior.
However, what is the hardware ID of the base system device?
This can be retrieved by opening the device in device manager and navigating to the details tab and changing the property to hardware IDs. This should help identify exactly what the base system device is.
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Audio Problem. says computers muted/ no audio output device is installed. works on start up

I have a HP pavilion dv6500 notebook, windows vista 32-bit.
My computer was recently wiped and was given to me by a friend. he told me the computer needed a new sound card and that the sound never worked.
However, when i first started my computer I had an update and a sound driver was installed.
I put on a movie, the sound worked flawlessly, so I know the drivers, audio output device and soundcard are all installed correctly, but after a minute or so of watching the movie my sound cuts out, the speakers icon shows it is muted, and won't allow me to change the volume, when i scroll over it a message pops up that reads "no audio output device is installed".
sometimes when I shutdown my computer and restart it, my speaker Icon appears normal, and I can listen to music or watch a music video and the sound works again, but after 30 seconds to a minute or so, it does the same thing and wont work anymore.
I dont know what to do. I have tried to use the site to scan my computer for missing files or drivers but it just said that my computer isn't the model i specified (which it is) and that I have an expired warranty. which shouldn't matter if all i need is support.
I work with music and need to use programs like Protools or Logic Pro but I cant do that without sound so haven't installed those programs on my HP yest. PLEASE HELP.

I'm having the exact same problem. The problem arose randomly, and when I checked my computer's devices there was a device in "other" called 'High Definition Audio Bus' that had been installed (without my knowledge) right before my computer lost sound.
What had happened was my computer was running extremely slow all of a sudden and so I restarted it and when it restarted I had no sound. Because this device was installed on my computer immediately before the sound stopped working I assumed it was the cause of the problem and uninstalled it.
It didn't solve the problem, niether did installing the driver you posted a link to, it just posted an error message that read: "Could not find the device for this driver"
I'll try reinstalling the necessary drivers for my computer, which leads to my next and much more insignificant issue: How do I find the product name of my laptop? it's an HP Pavilion g series, and it lists the serial number and product number but from this list http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&taskId=135&prodSeries... I have no idea which laptop is mine. How can I find out?

Help! No Audio Output device is installed

My speaker in bottom right for My sound say "No Audio Output Device Is Installed" and i have tried to go through many things to solve such as go into device manager and enable or update through there etc...to no avail.
I stumbled across a thing that worked for most people. Recovery Manager. but. I don't have it on my computer to try so i have no other options to turn to. Can someone please help on how to fix this issue

Dear Customer,
Welcome to the HP Consumer Support Forum!!
To isolate the issue please perform the steps below:
1. Restart the computer.
2. Check the Sound icon in the taskbar.
3. If the icon has an X in the lower corner, click the Sound icon in the taskbar or
4. Right-click the icon, and then click Troubleshoot sound problems.
5. The audio troubleshooter checks for sound problems. When the troubleshooter finishes, it displays the results.
6. If the computer has sound, the issue is resolved.
Install Original Realtek High Definition Audio Driver from the link below:
http://support.hp.com/us-en/drivers/selfservice/HP-Pavilion-Slimline-s5000-Desktop-PC-series/3942804...
From the above link click on Driver-Original > Original Realtek High Definition Audio Driver > Download and install the same.
In case the issue still persists and if the audio was working fine earlier, you may perform system restore to previous working condition using the steps mentioned in the link below:
http://bertk.mvps.org/html/restoresysv.html
Hope this helps, for any further queries reply to the post and feel free to join us again.
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Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Thank You,
GR1
Although I am an HP employee, I am speaking for myself and not for HP

HELP ASAP! no audio output device installed with hp pavilion dv2500

product name: hp pavilion dv2000
model number: dv2710us
product number:2CE75228LJ
windows vista home premium 32bit
my hp keeps telling that have no audio output device installed and theres the the image for volume with a large red circle with a white x in it.
this is not true because i have contexant (i think that's what it is called) speakers installed.
Lately when i would restart my computer the sound would work intermittently but for the past two days whether i restart my computer or not the image for volume with a large red circle with a white x in it is still there and says no audio output device installed. PLEASE HELP!
This question was solved.
View Solution.

Hi, you can try the below steps to resolve the issue :
Step 1 : Re-install audio drivers from HP Recovery Manager.
1. Click Start, in the Start search box, type recovery . Then click Recovery Manager .
2. In the Recovery Manager window that displays, click Next. On the Reinstall software programs that came with your computer screen, click No, I would like to see other options . Then click Next .
3. In the Reinstall hardware drivers screen, click Yes . Then click Next. On the Welcome to Hardware Driver Reinstaller screen, click Next .
4. In the driver list, select the name of the sound adapter installed on the system. Then click Next. When complete, the Reinstallation is complete screen displays. Click Finish to restart the computer. After the computer starts, test for sound. If the issue persists perform step 2.
Step 2 : Re-install audio drivers manually
If there is no sound and the error still displays, update the audio driver from the weblink below :
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-63129-1&cc=us&dlc=en&lc=en&...
Step 3 : Restart the Windows Audio Service.
1. Click Start , type services.msc into the search field, and then select services.msc from the list when it becomes available to open the Programs window.
2. Scroll down to and select Windows Audio , right-click to open the drop-down menu, and then click Start .
3. Right-click Windows Audio , click Properties , and then verify that Startup Type is set to Automatic .
Restart the Notebook and check for the issue.
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Help Please!! no audio output device installed?

Hi. I have a satellite A215-S4757 last night I installed some windows updats went to bed because it was going to take awhile. When I got it had finished and was in sleep mode. When I turned it on I noticed the sound was on mute. Or I thought it was. When I attempted to turn the sound on I recieved the message "No audio output device installed". I updated BIOs 2.30 but that didnt work. If anyone could help me out I would greatly appreciate it!
Thanks

Try this! Looks like you have Realtek audio. I was having the same problem until I installed the updated Realtek driver directly from Realtek site.
As many users have posted, I was having this problem with my Satellite L505-S5990. I tried most of the suggestions I could find here and on the 'net to no avail. I was surprised to see that this problem affected many laptop brands - even as far back as Windows XP!!
Last week I think I finally found the answer (or at least Realtek did). My laptop has Realtek HD audio, and the drivers that came with laptop seemed to be the culprit. I checked the Realtek site last week, and they have an updated driver, dated 3/30/2010, for Windows 7 as well as other versions of Windows. It is Version 2.46.
I downloaded and installed these drivers, switched back to going into sleep mode rather than hibernate and - so far - the computer wakes from sleep with sound intact!!!
Hopefully these drivers will work for others.

Is there a way to have Firefox respect the default audio output device when it has been changed while Firefox is open?

I have been a Firefox user for many years and I still use it as my primary browser. One problem that has bothered me for years is the fact that when Firefox is open and I change my default audio output device, Firefox doesn't respect that change and continues playing audio through the device that was originally being used. Even if you stop the audio and continue playing, the output device doesn't change.
Is there any way this can be configured in Firefox? Now if I listen to music online (e.g. Soundcloud) I always use Chrome since it's respects the default audio output device change even while in the middle of playing audio.
Reproduce:
1. Start playing audio (e.g. from a YouTube video; HTML5 and Flash are affected)
2. Change your default audio output device
3. Audio will continue to play from original output device
Thanks!

This is the same issue that has plagued me for years. I always thought that this was a Flash plugin issue, but it does occur on HTML5 as well. A friend of mine verified that this does not occur in Linux, but only on Windows. It would be great to have this fixed, as it's honestly the only thing that's making me use Chrome all the time, as I don't want to have multiple browsers open.

How can you choose which audio output device to use?

I currently have my system set up to have two different active audio output playback devices, Speakers and Headphones. By default, applications play on the default audio output device, which is set to Speakers on my computer. However, I am wanting to play iTunes on my Headphones output while all other applications are running on the default Speakers output. In Windows Media Player, there is a dropdown to select which output device the application streams to. Is there a way to make iTunes do this, either in the Preferences menu, by using a plugin, or installing a third-party application that overrides which output applications use?

Under Utility you will find the Configurazione MIDI Audio.app The name is in italian on my Mac but you should find it in your system language. The icon is a Piano Keyboard.

Satellite L20 - no audio output device using Win7

I purchased a 2nd hand Satellite L20 which was upgraded from xp to win7 on the task bar says no audio output device is installed.
Tried update driver in device manager -- no good
Downloaded Realtek AC97 driver -- no good.
It will play sound from dvd through usb sound device to head phones.
But how the hell do i get the sound to work on internal speaker.

Do you know which sound chip is inside?
This old notebook model is not supported for Win7.
Try to install THIS driver.
If this will not help try to install Vista driver or drivers designed for other notebook models.
It is not easy to help with this. Check sound chip.
By the way: I asked you for model name and not model number!!!

Is there no way to direct an AIR app's audio to different audio output devices?

I'm needing to make a couple of our AIR apps select certain audio devices to send their audio output to, and last year, somebody mentioned possibly using native extensions to do this. I had to start working on other things for a while, but I've come back to this (for the moment), and I've basically learned how to create native extensions.
But so far, they don't seem to provide me any special access to anything going on under the hood of an AIR app. When you stream live audio in through RTMP or RTMFP, the details of the audio are hidden from you. There doesn't appear to be any place where you can actually access the audio bytes that are being sent over the wire. You can specify a certain SoundTransform object for the NetStream to use, but that class is final and a vanilla Flash construct, so even if it may have a way to access the audio bytes, they're not acessible at all.
It really looks like, when a NetStream object starts streaming in live audio, there is no way under the sun to access the audio bytes and direct them to a certain audio output device, with or without extensions. Is this so? It would be unfortunate if Adobe didn't allow this, even through native extensions. Thanks.

Couple quick thoughts..
Limits are important. There's a large amount of work done to keep a clear separation between a users decision and a developers decision. For instance, you can't change a users default audio output because that clearly violates a users decision. That said, here's a whole mess of people debating the issue and actually eventually an undocumented COM API you can find that will actually let you do it in Vista/Win7 (but not 8), however don't expect that to be a 'good thing to do':
http://social.microsoft.com/Forums/en-US/9ebd7ad6-a460-4a28-9de9-2af63fd4a13e/programatica lly-setting-the-default-playback-device-and-recording-device?forum=windowspro-audiodevelop ment
You might want to get a beverage before reading that.
Aside that, RTMP is secured, which is why you can't gain access to the bytes. The entire purpose of it is to assure media developers that their media can't easily be copied/stolen. Adobe doesn't document their method of securing streams but they do publish the RTMP specification. It's entirely possible for you to create your own RTMP server and encryption method while delivering a RTMP stream to custom client that you code yourself which can read the stream. Here's the spec:
http://www.adobe.com/devnet/rtmp.html
So I'd say it would be unfortunate if Adobe did give you access to the bytes. You might as well just hand users a mp3 of whatever song is playing because they would steal media left and right.
That isn't to say you can't use a multitude of ways of getting the data going across the default output device. Plenty of apps (fraps/etc) capture video and mixed audio streams. But Adobe isn't going to give you the keys to the kingdom and let you decrypt their protected media protocol.

Windows 8.1 Pro No Audio Output Device

Hi, I recently installed Windows 8.1 Pro on my laptop using Boot Camp. Everything works perfectly, except for the audio. It says there is no audio output device installed. Can someone give me the proper link to fix this? Also, clear instructions would be great because I am not very experienced with this.

BC 5.1.5621 is a collection of drivers not a single unified driver. You can see it on the USB drive on which they get downloaded and written to. The collection in the zip file is what Rudegar is referring to. There is a Realtek, Intel HDA, and many other individual drivers in the zip file.
If you cannot see the devices in Device Manager in Windows, then it may be an issue. Did you install W8.1 via EFI Boot on an older than 2013 Mac?

No audio output device is installed - Satellite C855D-S5950 - Windows 8 64-bit

Toshiba laptop
Model: Satellite C855D-S5950
P/N: PSCBQU-03G03E
OS: Windows 8 64bit
RAM: 4GB.
Hello,
I have my friend’s Toshiba Satellite C855D-S5950 with Windows 8 (64bit) that about a year old. Some months ago the sound stopped working. He asked me to take a look at it. I have researched this issue and found others have encountered his problem as well.
Currently, the sound icon has a red x, “No audio output device is installed.”
Things I have tried so far to try to fix this:
I went to the Device Manager > Sound, video and game controllers. I have "Realtek High Definition Audio" listed with the little yellow caution icons on them. I have tried to disable, then enable it. I have tried to uninstall the sound driver from the Device Manager. I would restart the laptop, and let the driver reinstall itself, to no effect. I have tried downloading the latest drivers from the Toshiba website. I have tried un-installing the driver while in safe mode from the Device Manager. As well as from Programs and Features. There were no positive change to the audio though, still the same message. The Realtek driver won't finish installing and throws the error: "Install Realtek HD Audio Driver Failure!! [Error Code: 0x000000FF]"
I have gone to Control Panel > Sound, under both the Playback and Recording tabs, it says "No audio devices are installed."
My friend was previously unaware of how to restart or shut down his Windows 8 laptop (as was I until I started investigating this problem for him). I mention this because there are no useful System Restore points to go back to for him.
I have also tried Using the Toshiba Application Installer as well to re-install the driver after un-installing the Realtek Audio driver from Add/Remove Programs. I went to Desktop Assist >Support Recovery > Toshiba Application Installer.
Realtek Audio Driver 6.0.1.6743
It loads most of the way then I get:
"Install Realtek HD Audio Driver Failure!! [Error Code: 0x000000FF]"
I have also tried the following links for additional troubleshooting:
http://forums.toshiba.com/t5/Audio-Sound-Knowledge-Base/Windows-8-Troubleshoot-no-sound-with-Windows...
http://forums.toshiba.com/t5/Audio-Sound-Knowledge-Base/No-sound-from-speakers-or-headphones/ta-p/27...
http://windows.microsoft.com/en-us/windows/no-sound-help#no-sound=windows-7&v1h=win8tab1&v2h=win7tab...
http://forums.toshiba.com/t5/Audio-Sound/No-Sound-quot-No-Audio-Output-Device-is-installed-quot-Tosh...
It was also suggested in the above thread I remove the Microsoft UAA Driver, but could not find this driver on my friend’s system.
Plugging in headphones, toggling the speaker volume controls on the keyboard has had no effect.
My friend has also misplaced his install discs, so I am looking for any solution which does not require the install discs.
Any help would greatly be appreciated.
Toshiba laptop
Model: Satellite C855D-S5950
P/N: PSCBQU-03G03E
OS: Windows 8 64bit
RAM: 4GB.
Thanks in advance.
-Tre

Recovery media is created from the hard drive. You can make it using Toshiba Recovery Media Creator. You can also perform a full system reset to factory defaults using the information on the hard drive without using external recovery media. That sounds like the best course of action now. To do so, use Windows+C > Settings > Power > SHIFT + Restart > Troubleshoot > Reset your PC.
- Peter

Audio Output Device Missing

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