Sigmatel Stac92XX C-Major HD Audio Driver Sound Problem
Sep 27, 2009
I have A Dell XPS 420 with a Sigmatel Stac92XX C-Major HD Audio Driver and I was running Windows Vista X64 SP1 and everything was working fine.
I just recently installed Windows 7 RT Build 7100 and the Generic High Definition Audio Device Driver Installed and all types of media play, but it's causing a crackling sound in my audio and not only that it actually corrupts the file so if I were to play a MP4 on my XBOX 360 it also has the crackling noise even if the file was originally fine.
I don't know the last Sigmatel Driver that was on my Vista Build but I tried a few of them and even tried in Vista install mode but none of them work & I tried all the codecs packs that I always install and still nothing.
What should I do and is this a driver problem that's causing the crackling noise and corrupting my files or is their something else to this please help because it's driving me crazy?
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Aug 7, 2009
I have an older P4 2.8ghz Dell Dimension 3100 that currently has Windows 7 installed. Apparently the driver is the Sigmatel 97xx C-Major audio according to support.dell.com - the first thing I tried was the Windows Vista driver listed on Dell's site. Unfortunately that did not work. The driver appears to be installed and I have a sound device however I have no output through the speakers. I'm sure it is a driver related issue.
The device enabled, the speakers work and are hooked up properly. Any ideas where I can find a Windows 7 driver for the Dimension 3100 using the onboard Sigmatel 97XX?
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Mar 2, 2010
I'm having trouble tacking down an audio driver for my Dell Inspiron E1705/9400. It has a Sigmatel 9200 HD Audio Codec. As Indicated from device manager
HDAUDIOFUNC_01&VEN_8384&DEV_7690&SUBSYS_102801CD&REV_1022
VEN 8384 - Sigmatel
DEV 7690 -9200 HD Audio Codec
SUBSYS 102801 - Dell
The audio card is able to output sound however while playing back any prolonged audio, ie music, the playback is unacceptably interrupted with digital artifacts such as skips and pops. This behavior is experienced using a variety of drivers. All drivers have been uninstalled using device manager and then the system has been rebooted before installing the next driver. Also all of the other dell recommended drivers have been installed without a hitch. Finally all windows patches are up to date.I started with the driver provided by Microsoft and continued to try the recommended driver from dell, R171788. I have also tried the following additional driver packages from dell, R108276, R147073, and R171789.
Additional Information:
OS: Windows 7 x86 Home Premium
Dell Service Tag: BSCDK91
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Nov 12, 2009
After a clean install of Windows 7 from Vista 64 bit , all went perfect except for the audio drivers. After a few weeks Windows 7 was saying that the sigmatel audio driver installed was not working. Sigmatel is now actaully IDT. Any of the so called updated drives from sigmatel or IDT will not install. So just delete any installed audio drives in Device manager and let windows install the drives upon rebooting, they work perfectly and they are the most recent drivers i could find anywhere for the High Definition codec.
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Jun 24, 2009
Have a tablet PC that I just installed Seven onto. Even though it's an old box, Windows update found nearly all of the drivers. The one it didn't find is for the AC97 Sigmatel audio.
So, I grabbed the drivers I used for Vista (they're actually XP drivers) and tried to install them. Did this again and again, using different compatibility modes every time. Got no indications of failure, but never worked, either.
Tried removing the device and having Windows Update search for a driver. No luck.
Tried installing driver from selecting from list. Only Sigmatel driver in the list is for HD -- which I don't have.
Even tried the MS WDM driver -- and it refused to install it.
I read in another thread that there are supposedly generic AC97 drivers --but I can't figure out how to install them.
The relevant driver files from Vista are STAC97.sys and staco.dll -- which tells me this is a STACS AC97 audio chip. But I just can't figure out how to get a driver installed.
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Sep 30, 2009
Windows Vista/7 64-bit
just download that cab file extract it with winrar, the update the driver in the device manager manually.
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Oct 20, 2009
Okay I have an inspiron 1721 with Win 7 Ultimate installed on it. Everything works fairly well on it except I have no audio. It says no device installed, and I have tried all types of different versions, under compatibility mode, admin, and ect... when I try to install the drivers it says things along the line of "Device object not present, quite and restart system and try again."
I only had sounds once, and it was pure crazy loud static.
Update STILL TROUBLE: Audio drivers installed. I uninstalled what I found and it re-installed and did the same weird noise issues. Then when I rebooted, it shows no audio output device installed.
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Sep 28, 2009
I previously had a stuttering issue on "only" music playback with my SigmaTel High Definition CODEC, but after rolling back my drivers to the default Microsoft tones, the audio stuttering disappeared.
Since I have never used Microsoft audio drivers, are they of the same quality as the SigmaTel's? My current version is: 6.1.7600.16385
Any issues with keeping this default Microsoft HD Audio driver?
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Sep 11, 2009
I have a SigmaTel High Definition Audio CODEC driver and beffore I installed Windows 7 I had XP. Now I don´t get 2.1 sound system to work. Only desktop speakers are working. When i plug subwoofer into the jack it wont work. However when I connected the sub. computer recognizes it and shows me that I connected sub. But theres not any sound out of the sub. Can anyone help me ?
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I have Toshiba Qosmio G30 I need Sound driver SigmaTel High Definition Audio CODEC for Windows 7 32bit..
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I have a Sony Vaio VGC-RC110G and installed Windows 7 RC 32 bit and it went smoothly 'cept for 2 missing drivers. The main one is the sound device as it is NOT being read. I can't get any sound. I spent several hours on the net looking for a compatiable driver, and alot of people ran into trouble with the SigmaTel High Definition Audio Codec when they upgraded to Vista. Tested a bunch of drivers (from Sony site and even updated sound drivers from Dell) and none worked.
Even downloaded some program called detective driver to help me find compatiable driver but I'd have to pay $30 to activate the program. I would but Im afraid it might not find it.
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"When it comes to compatibility, if it works with Windows Vista, it should work with Windows 7. There are no major API changes, which is a critical point: that means that if there's a Vista driver for your hardware, that should work under Windows 7 without issue. That's great news, because driver issues were one of the top frustrations for people moving to Windows Vista with XP-era hardware.
Windows 7 will be more reliable as well - there are some improvements in reliability and self-diagnosis. There will be fewer prompts for user account control for instance, and in fact the default will be at a lower threshold than it was for Vista. There will be more controls for the user regarding account approvals, and it will be more discoverable than it was in the past."
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Jul 10, 2011
I installed my audio driver for my gigabyte ud3 b3 motherboard. I got the driver from gigabyte's website. It is the 64 bit windows 7 version. Now I have realtek hd audio manager installed. I have a set of speakers plugged in which I know work because i plug the cord into my iphone and the speakers work great. Now I plug into the green input hole (which by the way, I should say that everything worked great before I recently reinstalled windows 7). When playing music I look at the mixer and see that all programs playing the music and the speakers have the green bar going up and down to the music. But the bar that says system sounds does not report any sound ( no green bar going up and down).
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Major computer manufacters generally speaking provide pretty good support for drivers and updates. I thought it might be useful to provide links for them in order to expedite troubleshooting driver.
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Nov 12, 2009
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Mar 28, 2012
i have a dell inspiron 545s windows 7 home premium from dell.it is a desktop.it is about 2 years old.a few months ago a virus shut my computer down and i paid $275 for the software and software warranty. i also paid an additional $119 for 2 years unlimited technical support. after the technician got my computer up and running again i discovered the the audio for everything (Internet for music and movies) is very low and inaudible and also scrambled. i couldn't fix it myself for weeks so i called dell for help. they checked and discovered the speakers are fine. they told me to pay $59 for a technician to look into it (someone on a website says it's only good for 30 days) and fix the sound system if he could, otherwise i would have to buy a sound card of other hardware and install it myself. my computer which includes the monitor and keyboard and mouse only costs $650. if i shell out anymore i should buy another computer.i like my computer, and i'm trying not to throw anything of the sort into the landfill if i can help it.besides i'm out of a job. do you think i should pay dell any further since that problem only cropped up after they fixed the computer and i wasn't even using the audio when it went down?
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Mar 28, 2012
i have a dell inspiron 545s windows 7 home premium from dell.it is a desktop.it is about 2 years old.a few months ago a virus shut my computer down and i paid $275 for the software and software warranty.i also paid an additional $119 for 2 years unlimited technical support. after the technician got my computer up and running again i discovered the the audio for everything (Internet for music and movies) is very low and inaudible and also scrambled. i can't even hear anything on another website when i was trying to learn another language.i couldn't fix it myself for weeks so i called dell for help.they checked and discovered the speakers are fine. they told me to pay $59 for a technician to look into it (someone on a website says it's only good for 30 days) and fix the sound system if he could, otherwise i would have to buy a sound card of other hardware and install it myself. my computer which includes the monitor and keyboard and mouse only costs $650. if i shell out anymore i should buy another computer. i like my computer, and i'm trying not to throw anything of the sort into the landfill if i can help it. besides i'm out of a job. do you think i should pay dell any further since that problem only cropped up after they fixed the computer and i wasn't even using the audio when it went down?
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