Compré una Laptop (ordenador portatil) Lenovo G560 y le instalé Ubuntu 10.10 Maverick Meerkat todo funcionaba correctamente excepto el audio porque tenia un problema el jack de audio donde se enchufan los audifonos(cascos), el jack no respondia ni funcionaba.
Estuve buscando información por internet para ver como solucionar el problema y tras varios días de búsqueda encontré la solución en un blog en ingles, asi que básicamente este post es una traducción del post original donde encontre la informacion necesaria para dar solución a esto, no voy a citar la fuente porque el blog en cuestion ya no existe, paso a explicar como solucionar el problema del jack de audio.

Lo primero que necesitamos es alsa que es una especie de controlador de audio para linux debian y deribados como ubuntu, mint, etc, si no lo tienes instalado entonces escribe la siguiente linea en la terminal para instalarlo:
sudo apt-get install libasound2 alsa-utils alsa-oss 
Se puede instalar usando Synaptic tambien.
Una vez instalado alsa entonces actualicé mi kernel a la ultima versión disponible en ese momento, en mi caso era la 2.6.35-30-generic, no es obligatorio actualizar la versión del kernel pero es recomendable.
linux-headers-2.6.35-30-generic linux-headers-lbm-2.6.35-30-generic linux-image-2.6.35-30-generic 
Llegados a este punto se pueden escuchar los altavoces de la laptop perfectamente(en caso de que alguno tuviera problemas con eso), pero aun tenemos el problema del jack de audio.
Así que instale el paquete linux-backports-modules-alsa-2.6.35-30-generic, debes buscar el paquete linux-backports-modules-alsa que sea correspondiente a tu versión de kernel en mi caso solo tuve que escribir la siguiente linea:

sudo apt-get install linux-backports-modules-alsa-
El paso final sera abrir el archivo /etc/modprobe.d/alsa-base.conf y agregar la siguiente linea al final del fichero:
options snd-hda-intel index=-2 model=ideapad 
Basta con reiniciar la laptop y todo funiciona perfectamente, en mi caso pude oir musica con los audifonos. Si quieres tener los controles de sonido funcionando bien, entonces asegurate de tener instalado el paquete pulseaudio.

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61 comentarios :

  1. Basta con reiniciar la laptop y todo funiciona perfectamente, puedo oir musica con los audifonos.

  2. Sebastian | Mirate una pelicula

    gracias por la data!


  4. Esta gente de ubuntu no aprende nada... no se por que no siguen los pasos de debian una versión cada varios años pero estable !!!!!!!! no con miles de problemas cada vez.. y lo que tardas en resolver un problema sale una versión nueva y todo se va al carajo otra vez :S

  5. Gracias por la info y felicitaciones por el dejes de escribir.

  6. gracias tio es un arpote magnifico ! dios te bendiga !

  7. Siempre voy perdida con estas cosas, Gracias!

  8. Hay veces que la facilidad de Windows la echamos de menos

  9. Nomina: estoy de acuerdo con tu comentario.

  10. Excelente informacion acerca del jack de audio es lo que estaba buscado yo tambien tenia el mismo problemas

  11. Pues a mí me pasaba lo mismo, pero el código que indicas no me funciona, me sigue dando error, sabes qué puede ser?

  12. excelente yo tengo este problema voy a intentar seguir tus pasos y luego te cuento

  13. que bueno ya que causa dolor de cabeza saber que pues hay una solucion inmediata ,gracias.

  14. Me interesaría mucho instalar Ubuntu pero me preocupa la compatibilidad con mi Laserjet. ¿Sabes si habría algún problema de compatibilidad con las impresoras hp? Un saludo y gracias, María

  15. Yo en el instituto tenia instalado Ubuntu.. y sinceramente como Windows no hay ninguno.. bueno si Apple! jajaja cerramientos

  16. Yo en el instituto tenia instalado Ubuntu.. y sinceramente como Windows no hay ninguno.. bueno si Apple! jajaja cerramientos

  17. Gracias justo la informacion que estaba buscando

  18. Un problema muy habituel en los jacks de audio.

  19. excelente consejo para los jacks de maquina lenovo.

  20. que buen consejo de la que me salvaste amigo

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