Re: [gentoo-user] speakers have no sound but headphones have

[Mick <michaelkintzios@gmail.com>]

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On Thursday 18 October 2007, Chuanwen Wu wrote:
> Hi,
> I have a sound problem with my dell1400 laptop: I have no sound from
> the speakers in the laptop but I can have sound from headphones after
> I insert them.
>
> When I used $alsamixer -V all, I got these informations:
>
> Card: HDA Intel                                                            
>  │ Chip: SigmaTel STAC9228                                                 
>     │ View:  Playback  Capture [All]                                       
>        │ Item: Master [dB gain=-33.75, -33.75]
> Item: PCM [dB gain=-10.00, -10.00]
> Item: Front [dB gain=-45.00, -47.25]
> Item: Mic as Output
> Item: IEC958
> Item: ADCMux
> Item: InMux [dB gain=30.00, 30.00]
>   Item: InVol [dB gain=16.50, 16.50]
>
> As you can see, Mic and IEC958's values are both 0.

We probably can't see what you're describing.  Can you unmute one at a time or 
increase their volume to check if someting gives?

> I always think that headphones are equal with speakers, because  them
> are both connected to the same thing in physics.
> But now, why my headphones are aloud but my speakers are silent.
> In Windows xp, both of them work very well. Headphones were after I
> insert them and otherwise, the speakers loud .

I too thought that this is a hardware issue . . .
-- 
Regards,
Mick

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