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i have a problem with xrandr i successfully executed the following :

#cvt 1900 1080
#xrandr 1900x1080 170.75  1904 2024 2224 2544  1080 1083 1093 1120 -hsync +vsync

but unfortunately the following command :

#xrandr --addmode VGA-0 1900x1080

returned the following error :

X Error of failed request:  BadMatch (invalid parameter attributes)
Major opcode of failed request:  153 (RANDR)
Minor opcode of failed request:  18 (RRAddOutputMode)
Serial number of failed request:  29
Current serial number in output stream:  30

the following command output might help in identifying problem :

#glxinfo |grep -i opengl
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce 310M/PCIe/SSE2
OpenGL version string: 3.3.0 NVIDIA 310.14
OpenGL shading language version string: 3.30 NVIDIA via Cg compiler
OpenGL extensions:

#lspci |grep -i vga
01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 310M] (rev a2)

any ideas what's gonna be wrong ?

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1 Answer 1

You want full-size of your screen with nvidia ? it works here:

sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf.old

sudo rm /etc/X11/xorg.conf

sudo dpkg-reconfigure -phigh xserver-xorg

sudo reboot

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i have tried your instructions but it seems sudo dpkg-reconfigure -phigh xserver-xorg didn't generate new xorg.conf file, and screen resolution still didn't exceed 1152x864 "1360x768 available but not appropriate" –  Eslam Dec 16 '12 at 17:08

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