Ubuntu
alsa-driver package

problems with ubuntu 10.04 (display and headphone problems)

Asked by swaroopjain

hi guys,

    i am facing 2 problems with my ubuntu 10.04.i installed the ubuntu inside windows option(in c drive where i installed the windows 7),the memory allocated for the ubuntu is 8gb.My problem is 1-i cannot hear the sound from headphone ,but i can still have no problem with the system speakers.when i connect a headphone,the headphone sound bacame mute.2-i can not use the keyboard shortcut to decrease the contrast of display.that is why i can not use ubuntu for a long time without plugging in the charger.i have to know where is the display properties changing funtions..please answer me immiediately...thanks in advance!
My system is dell 4010 laptop!

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actionparsnip (andrew-woodhead666) said : 		#1

Is the system a laptop or branded pc. If so what is the make and model?

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swaroopjain (swaroopgreatster) said : 		#2

dell inspiron 4010 laptop(14R)

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delance (olivier-delance) said : 		#3

1-Go to sound preferences and change output hardware to headphone

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actionparsnip (andrew-woodhead666) said : 		#4

In future, please can you detail makes and models of stuff in the question. It is VERY important.

Can you give the output of:

wget -O alsa-info.sh http://alsa-project.org/alsa-info.sh && bash ./alsa-info.sh

Select to upload to the site and a red URL will be made. What is the URL please?

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actionparsnip (andrew-woodhead666) said : 		#5

http://ubuntuforums.org/showthread.php?t=1503681
May help brightness

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swaroopjain (swaroopgreatster) said : 		#6

@delance:how to change that?will you please explain it?in the sound preference_hardware tab i can see like this "choose a device to configure_interna;l audio 1 output/1 input_Analog stereo duplex".there is no headphone options there.im a newbie,help me please

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actionparsnip (andrew-woodhead666) said : 		#7

Can you give the url generated by the command I gave please. It will help lots

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swaroopjain (swaroopgreatster) said : 		#8

@actionparsnip:http://www.alsa-project.org/db/?f=3c2deb21376e61554d4581281b0e389cc8d177cb

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actionparsnip (andrew-woodhead666) said : 		#9

Driver version: 1.0.21
Library version: 1.0.22
Utilities version: 1.0.22

Your driver version is different to the rest.

Try:

http://monespaceperso.org/blog-en/2010/05/02/upgrade-alsa-1-0-23-on-ubuntu-lucid-lynx-10-04/

To upgrde to 1.0.23

may help

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delance (olivier-delance) said : 		#10

Icon sound at upper bar
Sound Preferences->Output
At bottom, I have "Connector" with two choices "Analog Output"/"Analog Headphone".
Your configuration could differ from mine.
Check volume and mute at top of window.

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