I have Intel HD 3000 graphics card onboard and nvidia 520 mx optimus techolonogy card. I was try to install Nvidia driver but it was failure. Now I cant use anything. Have one resolution 640x480 every media disconnected and I cant connect

$ xrandr Screen 0: minimum 320 x 200, current 640 x 480, maximum 8192 x 8192 LVDS1 connected 640x480+0+0 (normal left inverted right x axis y axis) 344mm x 194mm 640x480 59.9* VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis)

lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09

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glxinfo | grep vendor server glx vendor string: SGI client glx vendor string: Mesa Project and SGI OpenGL vendor string: Tungsten Graphics, Inc Blockquote something wrong here I guess I try to some solutions but didnt work even it cant nvidia-xconfig file after these By the way system get eror sometimes about xorg Sorry for my English thaks for help.