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Translation:

I have an issue with my graphic card (Nvidia Quadro Fx 1400). When I go to system information this card is reported as "unknown" even though I installed nvidia-current drivers.

Now I can't adjust the screen resolution. It is now at 640x480 even though my display is capable of 1280x1024. It is a HP 1955 LCD. The display is also not recognized.


Bonjour, J'ai un Problème avec ma carte-graphique (Nvidia Quadro Fx 1400) lors j'allai o information système ! et carte graphique ! je trouve qu'il est 'Inconnu'
et j'ai installer le current version nvidia ! Et Je Peux Pas Ajuster la résolution d'écran ! Il Est a 640x480 et la résolution Que Mon Écran conseille s'est 1280x1024 ! Mon écran c'est HP 1955 LCD ! et aussi Mon écran Est Inconnu ! merci de Votre aide =)

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Welcome to AU. Please note that this site is for questions and answers in English language only. –  Takkat Apr 21 '12 at 17:03
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1 Answer

May be this can be an solution (Ubuntu 12.04): Go to System Settings > Hardware > Displays Make sure that "Mirror displays" is not marked otherwise: Note: may limit resolution options.
What is the result of the command "xrandr"in the terminal ?

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