muchas gracias por su ayuda

No te recomiendo el envy,me ha causado muchos problemas. Verifica el Driver y el procedimiento que has usado, te recomiendo desactivar el driver en /sistema/administración/controladores de hardware; ya que eso puede estar danote problemas, desinstala el envy y luego entra en recovery mode y usas la opción try to fix X; luego sigue el procedimiento para instalar correctamente el driver, hay muchos how-to

Por favor no olvides decir si solucionaste o no

Cada día es un nuevo comienzo...
LUC@X

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Plastic Parts,
Stamping Mould,
Metal Stamping,
carbon steel pipe,
Seamless carbon steel pipe,
welded carbon steel pipe,
Steel pipe fitting,
ERW pipe,
Butt Welded Elbow,
Stainless And Carbon Steel,
Stainless Steel Flanges,
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Straight Cross,
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Hola. yo tampoco te recomiendo la utilidad esa envy, no digo que sea mala, simplemente a mi nunca me ha funcionado, es decir nunca me ha instalado un driver apropiado en ninguna maquina...

Tu laptop entiendo que es esta:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01479033&tmp_task=prodinfoCategory&lc=es&dlc=es&cc=ar&lang=es&os=228&product=3686683

Y sus drivers para GNU/LInux los puedes descargar directamente de la pagina de nvidia: http://la.nvidia.com

Si entras en la seccion de descarga de drivers: http://la.nvidia.com/Download/index.aspx?lang=la

Podrás descargar tus drivers como se ve a continuación donde tengo seleccionado el medelo correcto de tu laptop:

(LAS IMAGENES LAS PUEDES VER A PANTALLA COMPLETA DÁNDOLE UN CLIC)

Solo faltaría que eligieses si tu instalación es de 32 o 64 bits como vez aquí:

Seleccionas el idioma que segun el link que te doy arriba ya esta definido en español y solo te bastaria pulsar el boton "buscar" luego te aparece una ventana pidiendote que aceptes los terminos del contrato y sin mas ni menos ya deberías ver esta ventanita de descarga que describa el archivo .run que ves aqui:

Bueno hasta aqui llega mi ciencia... porque no se como usar esos archivos .run ^^ espero que tu si lo sepas o que alguien mas experto continue esto explicandote como usar tus drivers ahora que ya los tendras descargados en tu disco...

Disculpa que no sepa darte la info completa y es que yo he tenido mucha suerte con mi Ubuntu 9.10 que me instalo automaticamente y de forma idonea mis drivers de video...

por cierto tu laptop es completamente capaz de correr en forma optima el Karmic Koala(Ubuntu 9.10) actualizarte a este tambien es otra forma de quitarte ese dolor de cabeza pero esa si ya es una decision mas personal y que debe ajustarse a tus necesidades... pero piensalo, por lo menos esta claro que tu laptop lo montaria como una pluma ;)

Existen 10 tipos de personas! Las que entienden binario y las que no!