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Windows 7: Sigmatel drivers for Inspiron 9400

14 Feb 2009   #1

Sigmatel drivers for Inspiron 9400

Hi all,
I've searched the forum and got references to but can't find actual posts re: installing drivers for this.
Dell Inspiron 9400 laptop, dual boot of XP Home and Windows 7, install of public beta went really well. In Win7 I have a volume icon in task bar, but no audio output I can hear... Win7 is using the digital output with spidf, which I can't use, it shows no other option. I can't seem to install the original drivers (from Dell, for XP), they fail (sez they're not the right drivers for my hardware, even though I tried installing as Administrator).
In XP, device manager reports the SigmaTel High Definition Audio CODEC, what am I missing here? I think I'm needing to install the "legacy audio" drivers??!!
Any help?

My System SpecsSystem Spec
14 Feb 2009   #2


Duh... I looked at some more posts, and all I had to do was install the Vista driver for the sound card. I ran it as Administrator, and it's working fine.

Anyway, maybe this post will help some other twit like myself.

Have a nice day.
My System SpecsSystem Spec
14 Feb 2009   #3

Windows 7 Ultimate Vista Ultimate x64

Thanks for sharing bonedaddio and welcome to the forum, there is a tone of info here, so see you next time.
My System SpecsSystem Spec

17 Mar 2009   #4

windows 7

My System SpecsSystem Spec
23 Jun 2009   #5

windows 7
not a fix for me


I have a dell inspiron 1420 with the same board and sound card. when i install these drivers and restart, the audio icon shows that i dont even have any playback or recording devices available. before, my headphone jacks worked but not the speakers. por que!!!! how do i get my speakers to work!

My System SpecsSystem Spec
23 Jun 2009   #6

windows 7
got it!

i found another page and that driver worked for me!

Download the Sigmatel STAC 9200 series audio driver 6.1 for Windows Vista

hope that helps someone!
My System SpecsSystem Spec
05 Oct 2009   #7

Windows 7 Ultimate

This is not a Windows 7 Problem, I had this problem when I upgraded my laptop Dell Inspiron 1525 from Windows Vista to Windows.. After the upgrade I was able to view the picture on my samsung LCD but there was no sound
I had sigmatel Audio in my notebook
i found the driver from Intel Web site for Intel 965 Chipset
you can download it from there web site and it works
My System SpecsSystem Spec
28 Oct 2009   #8

windows 7 32 bit
This fixed my driver issue

SIGMATEL STAC 92XX C-Major HD Audio Drivers on Windows 7

For the download use the Vista driver for your build 32 or 64.
My System SpecsSystem Spec
13 Dec 2009   #9

windows 7
Dell XPS M1530 window 7 audio drivers,Thanks Piddy

Hi mate,
thanks allot for your post,i was using widows 7 on my dell xps m1530 and had this audio drivers were not installing and even mic.but now it working,and i am happy,

once again thnx

My System SpecsSystem Spec
14 Dec 2009   #10

You're welcome!

You're most welcome, people help me all the time, I'm just passing it along.
Happy Holiday!
My System SpecsSystem Spec

 Sigmatel drivers for Inspiron 9400

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