System Preferences not detecting intel high definition audio

I have tried researching as much as possible before posting and I just can't find a solution.
I have a 2.4GHz Intel Core i7 Macbook Pro late 2011 running Mavericks 10.9.4 (13E28) on 8 GB RAM and Intel HD Graphincs 3000 512 MB, and my audio devices are not identified in audio MIDI setup or system preferences. Looking at system information the audio hardware is recognized (but there is no "built-in" beside 'audio' in the navigation pane).
I've tried reinstalling Mavericks, 10.9.0, 10.9.2, 9.3 and 9.4.
I've tried installing the combo pack for 10.9.4
After each install I've reset the PRAM and SMC for each reinstall.
I know my speakers work because I hear the chime when i start up. My internal microphone and line-in are also part of this problem with the audio devices. They don't show up in sound preferences either. To my knowledge the only issue seems to be with the audio.
My direct question is: How do i make my system preferences recognize my internal microphone, my internal speakers, and my built-in line?
I'd appreciate any input, this is my first posting to the community. Thank you all for viewing.

I looked into the community and saw that someone had the exact same problem. Their solution was to backup valuable data and clean install the operating system. I have followed through on this and have sound =). Just waiting now for my backups to complete.
I'm being cautious what I put back into the settings because I believe that's where some files my have been corrupted. Not sure. For the most part, thanks for viewing to those who did.

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Can Anyone provide me with the sound card specs for a 2GHz MacBook Intel Core 2 Duo? The system profiler lists the audio card as Intel High Definition Audio: audiocode 63

Can Anyone provide me with the sound card specs for a 2GHz MacBook Intel Core 2 Duo? The system profiler lists the audio card as Intel High Definition Audio: audiocode 63

ok thankx! but i must to know the output impendatie of my audio card= intel high definition audio? can somebody help me
this is my mac book
http://www.everymac.com/systems/apple/macbook/specs/macbook-core-2-duo-2.0-alumi num-13-late-2008-unibody-specs.html

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Is the built in sound card capable of handling 5.1 or 7.1 surround sound? I've been thinking of installing one of those two in my room but I'm not sure if I would have the surround sound effect.
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The actual D/A inthe mbp is mediocre by any standard. However the integrity of the digital signal is of course fine. If a good D/A is attached to it in the form of a decent sound interface then the quality can be much better.
I read somewhere this morning that the optical out will support DTS (digital theatre system) which in it's basic format is a 5.1 system. It has 6.1 and 7.1 varients as well which may or may not have been included.
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Cannot Install IDT High Definition Audio Codec

I have a HP ENVY 15-3090ca Notebook PC that will not download IDT High Definition Audio CODEC, it had it before, but I had to reinstall after a failure of recieving audio. When using my sound mixer it DID say it was coming from the IDT Audio CODEC, now i cannot successfully install it and can't recieve and audio until i do.
Product name: HP ENVY 15 Notebook PC
Product number: A7H00UAR#ABC
(Windows 8.1 x64)
This question was solved.
View Solution.

Hi,
The above link shows driver for Windows 8 only. Please try the following package for Windows 8.1:
http://ftp.hp.com/pub/softpaq/sp64501-65000/sp64878.exe
Regards.
BH
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"AMD HDMI Output -AMD High Definition Audio Device not plugged in

i have an HP Pavilion dv6-6110us laptop. i have had this laptop for less than 1 month and the sound is not working at all. I checked to make sure nothing was muted, i uninstalled the soundcard and reinstalled it on Device Manager, and still, I cannot manage to get the sound back on. the audio settings says "AMD HDMI Output -AMD High Definition Audio Device not plugged in) ..but i have no clue how to "plug it in". Help!!!?

Hey! You essentially have two sound cards, including the HDMI. First, make sure you're using the ATI graphics card, and not the Intel, when you want to use the HDMI.
Next, go to Windows Control Panel\Sound
On the playback tab (which shows by default), WHEN YOUR HDMI IS PLUGGED IN AND WORKING, you should see two playback devices: Your internal sound card/speakers, and the AMD HDMI. All you need to do is switch between the playback device you want the sound to be channelled to. You can switch this at any time. I do this when watching in the other room via my projector, or in my comp. room. Just select the HDMI sound device and choose the button on bottom-middle "Set Default". This will change the "default device" tag to below the HDMI playback device. To reset, either unplug the HDMI, or switch it here. This is always the first place you should look when you have sound issues.
Because I switch quite often, I have a shortcut link on my desktop to this sound menu, for quick switching.
If this doesn't work, make sure you have drivers for your ATI video card installed. Check you exact model and make sure your bios is up to date. They have made for switchable graphics now, which is much preferable to the previous auto-detect switch. The drivers are updated, as well. The latest HP drivers for the ATI were released in November. You can install these, then install the latest AMD/ATI Mobility Video Driver package over the top to make sure you have the latest video drivers. Either of these packages includes the HDMI audio driver, which you may not have installed.

My Internal Microphone Array (IDT High Definition Audio Codec) is not working

Hi,
My Internal Microphone Array (IDT High Definition Audio Codec) is not working.
I cannot do Skype calls.
I have already tried everything but still I'm not able to fix the problem.
Could you please advice me what to do?
Could you please provide me with a link with the drivers I may need to reinstall.
My computer is HP, Windos 8.1, 64-bit operating system, Intel i-7 processor.
I would really appreciate your quick answer to resolve this issue.
Many thanks,
Antonio
This question was solved.
View Solution.

Hey,
Try installing this driver: IDT High-Definition (HD) Audio Driver
If that fails, try using the HP Recovery Manager to roll back to the factory installed driver.
Test after both. Let me know if either option worked.
I worked on behalf of HP.

Intel High Definition (HD) Graphics Driver (SP69589) could not be Installed in HP Notebook 15-r033tx

Hi,
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Thank You,
SRIDIP KUMAR SHAW

Hi @sridipkumar ,
Thank you for visiting the HP Support Forums and Welcome. I have looked into your issue about your HP 15-r033tx Notebook and trying to update drivers for Windows 7.
Here is a link to the HP Support Assistant if you need it. Just download and run the application and it will help with the software and drivers on your system for Windows 7.
When you look in the Device manager uninstall anything that has a yellow ? or yield sign on it and select the box for uninstall the driver. Once you have removed all restart the Notebook.
What in the device manager has the yellow mark on it upon restart?
Please let me know.
Thanks.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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AMD High Definition Audio Device Not Plugged In (HP Pavilion dv6-6b09sa)

I have just booted up my HP Pavilion dv6-6b09sa (running on Windows 7) laptop to find that the sound icon has a red cross next to it and it claims that 'No speakers or headphones are plugged in'. In the Control Panel it states that the AMD High Definition Audio Device is Not Plugged In. As far as I know, I've done nothing to cause this.I have already tried:System restore to yesterday at 10pm;Instalation of a TDI driver from the HP website, however I do not know how to edit/disable/delete the old driver. I'm completely clueless about these things. Please help, I'm at a complete loss.

This happened to me too. I own an HP Pavilion dv7-1135nr (Windows Vista). The internal hard drive stopped working, I took it to a computer repair shop, they put in a new internal hard drive, asked Microsoft for a key code and jump started the laptop. I took it home with me yesterday, watched a few videos and wondered why the sound wasn't working. The volume light on the laptop base was indicated as red (which meant the volume was off, even when the volume on the laptop screen was on). The only way I was able to hear sounds from videos was when I put my ear phones on.
I read somebody say that this happened to them and they restarted/rebooted their computer. I did that and, expectedly, it didn't work. I came across this page, opened up "Device Manager," opened up "Sound, Video and Game Controllers." Right-clicked the "IDT Device" and then uninstalled it. My laptop then restarted and thankfully the sound was back up. I didn't need to download anything or right click the "IDT Installer" or "Right click the speaker icon in the Taskbar and select Playback Devices. Left click 'Speakers and Headphones' once to highlight it and then click the Set Default button" or any of that. It thankfully came back without me having to do any of that. I restarted/rebooted my computer to see if it was a fluke, and thankfully it worked again. Now I don't have to use my ear phones. My ears didn't like being pumped with sound, even when it was on low. My "Digital Display Audio" is still not checked green. It says that it's "not plugged in." But hopefully I won't run into this problem again in the future. Because if I'm a week or two or a month removed, the repair people I initially went to for my internal hard drive problem, will say that this was a separate issue caused by me and will charge me extra, when it was in fact caused by them (not maliciously of course, I guess this kind of thing happens when you replace a hard drive, as do a lot of other things which I'm not beginning to see). Thanks DavidPK.

I remove by mistake the realtek audio device high definition audio bus. Now, the sound of my computer is not working. What should I do?

Hi!
I remove by mistake the realtek audio device high definition audio bus. Now, the sound of my computer is not working. What should I do?

first go to start-all programs- windows update is at the top of the list follow the prmpts to install microsoft update which is the new version of windows update if microsoft update is all ready installed go there and select custom then let it look for updates
then if it detects missing drivers it will install or guide you on what to do. If you have an r52 laptop then try this link.
http://support.lenovo.com/en_CA/downloads/detail.page?LegacyDocID=MIGR-58599 the best of luck.
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do it this way incase the driver installation failed the frist time it may not ask you to update again if you didnt uncheck the box that came up on frist try.
3.find a mother board disk and search the disk using explore for ac97 realtech driver. actually windows update should solve it also try there FIX IT web site there are many automatied fixes there for your use.

Dv5-1126em Entertainment Notebook PC IDT High-Definition Audio CODEC Driver can not be updated

dv5-1126em Entertainment Notebook PC IDT High-Definition Audio CODEC Driver can not be updated the system says that your computer has a sound device problem and cant play multiple sound in my pc

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System loses the IDT High Definition Audio CODEC Driver ver 6.10.6491.0 after some time

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I can seen no obvious reason for this laptop to repeatedly lose the driver. Once the reinstall is done the sound works again but it is a real bother to have to repeatedly reinstall the audio driver.

Hey purplefacemcgee,
With your issue being for Windows 7, and not for Windows 8.1, the troubleshooting steps will be a little bit different. I would first suggest reinstalling your original sound drivers. I have included the document 'Using Recovery Manager to Restore Software and Drivers (Windows 7)', please click on the option for Hardware Driver Reinstallation, and follow through the steps for reinstalling your original sound driver only.
Now once you have installed the original driver, you will need update your sound drivers. You can do both the Windows, and HP updates that are recommended for your notebook from the HP Support Assistant. I have included the document 'Using HP Support Assistant (Windows 7, Windows Vista)', Please click on the option for Maintaining your computer and installing the latest software updates. Pretty much once you do have the HP Support Assistant open click on Maintain, and then Software Updates. Please install all updates that are listed. After the updates have been installed, please restart your notebook, and test the sound.
If by chance you are still experiencing the same issue, I would suggest running the Microsoft Fix It tool for 'Automatically diagnose and fix Windows audio playback problems'. This tool will check the settings, drivers, and services to make sure that it is running correctly, and try to fix any issues. Please follow through these steps to run the tool, click on the green Run now button > click Save > open the download > click Run. What was the outcome of the tool, are you still experiencing the same issue with the sound?
If you are still experiencing the sound issue after the above troubleshooting steps, please let me know exactly what is happening with your sound. (ie, no sound, sound is choppy, or distorted). Does the sound issue occur in multiple programs, or just one? (ie. Windows Media Player, YouTube, or CD/DVD).
Looking forward to working with you!
I worked on behalf of HP

PC is showing realtk high definition audio working but not showing not plugged in

computer is a hp pavillion a6763w desktop PC.
i had installed a ati video card and all worked perfectly for a while after updating the drivers for it my onboard sound went out. the sound would play through the hdmi output but no other output. i uninstalled video card and drivers and reverted back to old drivers. did a restore point. reset the bios to enable onboard sound. reinstalled drivers for onboard sound. tried installing a sound card and it was not recognized by the computer. but still PC is showing realtk high definition audio working but nothing plugged in when it is. also i have tries several different devices being plugged in and none of them worked.

Hi,
When installing a discreet sound card, you should disable on board audio.
With HDMI, you have to chose speakers or HDMI but not both. It's one or the other.
What ATI video card are you using and did you upgrade your power supply?
Did you go to www.realtek.com and download the latest audio drivers when using the on board audio?
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"ATI HDMI output: ATI High Definition Audio Device not plugged in"

Hi, I have a HP Pavilion p6210t PC running Windows 7. A few days ago, the sound stopped working, out of the blue. In Device Manager, it says ATI HDMI output / ATI High Definition Audio Device not plugged in." Computer is not connected with a TV, just a set of basic Logitech speakers.
I really have no idea how this might have happened. Any ideas on fixing this? I've rebooted and all that basic stuff, but nothing. Thanks!

Never mind, somehow the speakers were not set as default devices for sound. Fixed.

AMD High Definition Audio Device Not Plugged In - h8-1070t

Seeing this message in control panel/display drivers for HDMI on my video card.
In short I will get sound occasionally out of my HDMI card which is plugged into my stereo. Randomly the sound wil cut out and I get this message: AMD High Definition Audio Device Not Plugged In
Occasionally when I restart my computer it works again, but only for a short time. I have reinstalled the drivers from AMD with no luck.
Stats below:
Model: h8-1070t
Product: LP028AV#ABA
Video Card: AMD Radeon 6850
Much appreciated for any help!

I have the same problem and have just begun looking into it. I have my Radeon 7570 hooked up to a Panasonic TV with the HDMI connection. After a reboot of the computer and turning on the TV it works, but if I change the input on the TV to something else and then come back to the HDMI input the computer is connected to, the sound is lost. The computer then reports that the AMD device is not plugged in and it switches the default to the standard speakers.
Elsewhere I've seen it reported that updated AMD drivers have corrected the problem for some, but when I used AMD's automated driver detector and downloader it complained that it couldn't identify the 7570. So HP's version of the 7570 doesn't seem to match AMD's. So it's up to HP to provide an updated video driver to correct this problem.
Let's hope they do.

IDT high definition audio not working

Maybe I'm just unlucky i don't really know. But Win 8.1 has been an utter disaster for me i hate the interface and the myriad problems with drivers and giving permission to certain files even though you turned UAC off. Anyway my latest woe is now i have no sound, it was working fine this morning and when i came back to it all i get is scratchy sound. the on board sound is IDT high definition audio and windows says the device is working just fine. The scratchy sound is still there through my Roccatt headset when i unplug the speakers so it must be the sound card methinks. But can it BE when windows says its working fine?Tried uninstalling the driver and reinstalling all to no avail still the problem persists. even tried to restore the computer to an earlier time but the problem still remains in fact i have no sound its just scracthy noise.Running win 8.1 64bit HP Pavillion 500-081A any help would be greatly appreciated.

Hi merlin851526,
Sorry to hear about your experience with Windows 8.1 I will be happy to help you with your sound problem. I have two different options for you to try. I know that you have already tried reinstalling the drive but try the driver I have linked below. It has helped others resolved their sound issues with 8.1. I have also included a link to the Microsoft FixIt Tool to fix sound issue with Windows 8. To be honest I am not sure if it supports Windows 8.1 but it is worth a look.
IDT High Definition Audio Driver:
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?cc=us&lc=en&softwareitem=ob-124657-1
Microsoft Fix It Tool:
http://support.microsoft.com/mats/audio-playback-windows-8/en-us
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

System Preferences not detecting intel high definition audio

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