I am a recent migrant from Windows to LM13(64-bit) Mate. I have been facing a problem with Dual Monitor for the past 7-8 days. I have tried a lot of stuff that I got from various forums and by googling, however none helped.
I have a nVidia GT420M card on my Laptop(64-bit). I have installed the latest 310.19 drivers. From http://www.nvidia.com/object/linux-disp ... river.html
My ideal preference is - My External Monitor (VGA-0) to be my primary screen and the Laptop screen (LVDS-0) to be off.
On boot, the login screen appears on the Laptop screen. After logging in, the External Monitor is considered as the Primary screen since the panel appears in the External Screen, however the desktop icons appear on the Laptop screen.
The problem is when i do
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sudo nvidia-settings
Also when I select "Separate X Screen" and click on "Apply". The Laptop screen goes black and the External Monitor has the background image in the top half of the screen and the bottom half is black. It looks like the Laptop settings are imposed on the External Monitor. Also neither the mouse nor the keyboard responds. So I have to do a hard reset.
To install the nVidia drivers I have done the following -
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sudo killall mdm
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apt remove --purge xserver-xorg-video-nouveau libdrm-nouveau1
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<at the downloaded path> sudo sh NVIDIA-Linux-x86_64-310.19.run
Install 32 bit Open GL libraries - Yes
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sudo nvidia-xconfig
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sudo reboot