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RE: Dell Inspiron 1525 internal microphone

I just solved this issue.

Search DELL site for drivers (tab "Help and Support") by "92HD73C1".
It finds about 30 entries for Alienware laptops, but one entry mentions Inspiron too: http://www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=NWM04

IDT 92HD73C1 Audio Driver

This package provides the IDT 92HD73C1 Audio Driver and is supported on the Inspiron and XPS Notebook models that are running the following Windows Operating Systems: Vista and Windows 7.


Version, A15

Consider A15, this is BIOS version I presume.
I had A11 so I decided to upgrade to the latest A17 before installing this driver.

Then I installed driver package R226903.exe and my microphone array works well in Win 7 x64 on Inspiron 1525 now.

Just to mention, there is later version of this driver to download: http://www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=G11FC

However the description contains no word about Inspiron, BIOS version is A18 i.e. greater that the latest one available for Inspiron, and when I tested it on A11 BIOS it did not work. I decided to not re-test after I upgraded BIOS to A17 and then installed R226903... never touch a running system, you know.

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