Sunday, 5 October 2014

Fixing The Internal Microphone - Presario CQ60

It's taken weeks of Googling, but I've finally found a fix for the internal microphone on the Presario CQ60.

I had no luck with the various fixes that I found online until I came across this post which, if I've understood it correctly, suggests that the problem with the internal microphone on the CQ60 is not a software issue but a hardware problem. As I understand the OP's problem, the kernel allocates the wrong pin id at boot: the workaround turns out to be surprisingly simple.

First we need an application developed by David Henningsson at Canonical. It's called HDAJackRetask and it was originally developed to turn unused microphone jacks into additional headphone jacks - brilliant! It's now part of the alsa-tools-gui, so there's no need to add a new repository. Open a terminal and do:

sudo apt-get install alsa-tools-gui

Alternatively, you can download it from the Software Center or Synaptic. When prompted about the additional space (in the terminal method), type y and hit enter.

Open HDAJackRetask from the Main Menu (in Mint Cinnamon it's under Sound & Video). Select your sound card and then, under the Options panel, check the Show unconnected pins option. In the Pin configuration section, look for your Internal Mic, Riser entry, click the Override checkbox, and set the spin button to Not connected.

Next, look for the Pin ID: 0x1d, check the Override checkbox, and the use the spin button to select Internal mic. Now click the Apply now option and test your microphone. If all's gone well, it's time to make this a permanent change: click the Install boot override. You'll see the following message dialog: click OK and reboot.

Sources & References:

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