Selected my model and loaded the WIN7 driver for the audio manually. I also went down the list and loaded every other WIN7 driver I could find on the list -- I did leave off stuff like "PowerCinema" though.
I know me too. I have a Satelite L505-S5966. I tried to update my drivers, didn't work, it says it is up to date. It says I have 2 mics installed, but I only have one, and 1 won't let me update my driver.
Peculiar that there are two different drivers with identical version numbers and release dates. But the files themselves are a different size. Try them both.
I just posted a thread where I got my internal microphone to work. It appears to be an issue where the two microphones may be conflicting with each other. I assume that you can disable whichever you don't want to use, and enable the one you do. See my post, and let me know if this works for you.
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