Really weird mic problem in 10.04.1

[O. Sinclair]

On 18/09/2010 09:23, Nils Kassube wrote:
> O. Sinclair wrote:
>> On 17/09/2010 22:22, Michael Hirsch wrote:
>>> On Fri, Sep 17, 2010 at 4:05 AM, O. Sinclair<o.sinclair at gmail.com>
> wrote:
>>>> This is Kubuntu 10.04 with KDE 4.4.5 on a Dell Vostro 3300 laptop
>>>>
>>>> For reasons of me messing up my system I had to make a clean
>>>> install. Prior to that I had the internal microphone as well as
>>>> the external mic-input working, used it in Skype now and then.
>>>>
>>>> Following the reinstall with x number of upgrades and all that
>>>> internal mic is no longer working, neither is the mic-input using
>>>> an external mic.
>>>
>>> Do you have pulseaudio installed and running?  Check your process
>>> list and see.  Sometimes it sneaks in.
>>
>> Nope, only "good old" alsa. Everything else works as expected - only
>> the microphones are dead
>
> Please check in alsamixer or kmix if you have a slider marked "Digital".
> That was a new one with 10.04 on my machines and first it wasn't obvious
> to me that it also has an influence on the capture gain.
>
I gave up and did another reinstall from an earlier image, all now 
works. Thanks to the guy who did Remastersys a reinstall now takes like 
40 minmutes given I have a separate /home partition