Latitide D810 - lost all sound with Windows 7

Greetings!

I recently installed Windows 7 Professional on my Dell Latitude D810. After installation, I've lost all the audio features. My volume control in the Quick Launch bar States, "no Audio output device is installed". I ran the "problems of detection" to try and fix the drivers, but it wasn't able to fix it.

My next step is to check the drivers of Dell and downloads site and they do not have a driver for my computer with Windows 7. However, I have read on other sites that people have had any audio problems with installing Windows 7 on their Latitude D810s. Others have claimed to have had problems, but have been able to find the drivers for their audio problems.

Through various websites and download, I tried the following driver executables: D810_A05.exe, R99254.exe and S1wua01i.exe. It's audio drivers I found for XP and Vista, but they no longer work.

Does anyone else have other recommendations in pilot? Or links to other drivers, I can at least try?

At this point, anything would be helpful! A lot of satisfaction and thanks in advance...

See if it works:

Download driver Sigmatel R99254. Unzip it but cancel the installation process. (Skip this step if you still have this driver).
It will unzip the files and store them in a folder on the hard disk to c:\Dell\drivers\R99254, and this folder will be a subfolder named WDM.

Open Device Manager and expand system down devices. Locate the PCI Device with one? next to it (or if it is not there, then look for "Multimedia Audio Controller"). Go to properties and select Update driver. Select to manually locate the driver and let Windows not seek.
Go to c:\Dell\drivers\R99254\WDM

With a bit of luck, it should detect new hardware, and one of them should be the Sigmatel.

Tags: Dell Laptop

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