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1answer
30 views

No Sound after installing windows 7

I installed win7 on my laptop and everything works except the sound. The sound card is a SigmaTel 9750. Is there anything I can do to fix this?
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0answers
59 views

my sigmatel audio driver does not allow me to see the microphone or line in playback levels

Using windows Vista with (Dell dimension 520) SigmaTel HD Audio driver installed. I want to reduce the latency of the microphone and have it play back as it is recording (pass-through). I saw a load ...
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1answer
139 views

IrDA adapter - how to enable speeds less than 9600

I need to use infrared usb adapter tekram IR-410W under win8. unfortunately it doesnt create virtual com ports. another trouble is IrCOMM driver doesnt work under win7/8 i need to communicate to ...
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1answer
261 views

HP Sound bug - very puzzling

I recently got a HP Envy 4 Ultrabook 1002TX and have a very annoying issue with the sound. Symptoms:- The laptop detects the headphones as plugged in when they are not. (Because of this I get no ...
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2answers
7k views

How can I tell what audio chip is in my laptop?

Trying to get an audio driver for my Dell Inspiron 6000 for Win7. I've tried the Sigmatel STAC 97 driver from the Dell website, running setup in XP compatibility mode as suggested, and tried a ...
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2answers
3k views

Using Sigmatel STAC 92XX on Windows 7 RTM x64, cannot get 5.1 surround sound to work

I have a Dell XPS 420. I've installed Windows 7 RTM (x64) I have this audio device: SIGMATEL STAC 92XX C-Major HD Audio I have tried using the windows 7 basic driver, and also the Vista 64-bit ...
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2answers
38k views

How do I get Sigmatel Audio working properly on Windows 7?

I recently installed Windows 7 RC on an Acer Travelmate 3002WTci and I've managed to get everything to work except the audio. Does anyone know of a Windows 7 compatible driver available for download ...