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-   -   nvidia-settings only allowing 1440x900 resolution (http://www.nvnews.net/vbulletin/showthread.php?t=196391)

lumina 11-09-12 01:20 AM

nvidia-settings only allowing 1440x900 resolution
 
For some reason when I try to change the resolution on my laptop display in nvidia-settings on Ubuntu 12.04 I only see one available setting 1440x900. I have no xorg.conf. I used to have a list of available settings. Any thoughts why I would no longer have that. I am using the 304.64 driver. xrandr only lists the one available resolution as well?? Could it be a corrupted EDID? In windows I am able to select various resolutions so I thought perhaps it wasn't an EDID problem. I want to be able to set the resolution of my laptop to that of a projector I am mirroring.
Thanks for any help!!

tadawson 11-09-12 11:42 AM

Re: nvidia-settings only allowing 1440x900 resolution
 
My understanding is that as of the 302.x releases, if it's a digital flat panel having only one native resolution, then by default that is all you will be offered. There are ways around, documented in the ReadMe for the driver.

- Tim

lumina 11-12-12 01:59 AM

Re: nvidia-settings only allowing 1440x900 resolution
 
Quote:

Originally Posted by tadawson (Post 2580378)
My understanding is that as of the 302.x releases, if it's a digital flat panel having only one native resolution, then by default that is all you will be offered. There are ways around, documented in the ReadMe for the driver.

- Tim

Do you know where in the ReadMe file I would find this information. I looked and couldn't find it. I don't understand why Nvidia would have made this change??
Thanks,
Jim

tadawson 11-13-12 12:56 AM

Re: nvidia-settings only allowing 1440x900 resolution
 
What you need to use to specify other resolutions are MetaModes, but off the top of my head, I can't recall specifically the note that described it, but it bit me too, and was in the first 302.xx release, if my memory serves me correctly. Things have gotten a lot better since then, though, since on 302.17, there wasn't much you could do to work around it - MetaModes were a tad whacked as well . . .

- Tim

darinmiller 11-17-12 02:09 PM

Re: nvidia-settings only allowing 1440x900 resolution
 
Use the ViewPortOut and ViewPortIn options via the command line:

For instance the line below takes my 1920x1200 display, shrinks to a 1600x1200 pixel area offset by 160 pixels. The viewport in command, transforms the 1600x1200 to a 640x480 equivalent resolution. (Great for playing the original Starcraft).

Code:

nvidia-settings --assign CurrentMetaMode="DFP-0:nvidia-auto-select {ViewPortIn=640x480, ViewPortOut=1600x1200+160+0 }"
If you have dual monitors and want to disable the laptop screen and change the resolution of the external 1920x1200 monitor, use the following:

Code:

nvidia-settings --assign CurrentMetaMode="DFP-1:nvidia-auto-select {ViewPortIn=640x480, ViewPortOut=1600x1200+160+0 }, DFP-0:NULL"


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