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View Full Version : [ubuntu] gtx 295 and 3 monitor problem in ubuntu 10.10 64bit



efeefeefe
November 13th, 2012, 12:03 AM
(Ubuntu 12.10 sorry for wrong title i cant edit that)
Hi, this is my first linux experince and im learning a bit slowly. I need your help.

i used this commands:
sudo apt-add-repository ppa:ubuntu-x-swat/x-updates
sudo apt-get update
sudo apt-get install nvidia-current

and after restarting, ubuntu now working more good but my third monitor is not working and there is only two monitor in the desktop setting screen.

nvidia-xconfig --query-gpu-info

Number of GPUs: 2

GPU #0:
Name : GeForce GTX 295
PCI BusID : PCI:4:0:0

Number of Display Devices: 1

Display Device 0 (DFP-0):
EDID Name : Philips 244E
Minimum HorizSync : 30.000 kHz
Maximum HorizSync : 83.000 kHz
Minimum VertRefresh : 56 Hz
Maximum VertRefresh : 76 Hz
Maximum PixelClock : 170.000 MHz
Maximum Width : 1920 pixels
Maximum Height : 1080 pixels
Preferred Width : 1920 pixels
Preferred Height : 1080 pixels
Preferred VertRefresh : 60 Hz
Physical Width : 520 mm
Physical Height : 290 mm


GPU #1:
Name : GeForce GTX 295
PCI BusID : PCI:5:0:0

Number of Display Devices: 2

Display Device 0 (DFP-0):
EDID Name : Philips 231S
Minimum HorizSync : 30.000 kHz
Maximum HorizSync : 83.000 kHz
Minimum VertRefresh : 56 Hz
Maximum VertRefresh : 76 Hz
Maximum PixelClock : 170.000 MHz
Maximum Width : 1920 pixels
Maximum Height : 1080 pixels
Preferred Width : 1920 pixels
Preferred Height : 1080 pixels
Preferred VertRefresh : 60 Hz
Physical Width : 510 mm
Physical Height : 290 mm

Display Device 1 (DFP-1):
EDID Name : Samsung SyncMaster
Minimum HorizSync : 30.000 kHz
Maximum HorizSync : 81.000 kHz
Minimum VertRefresh : 56 Hz
Maximum VertRefresh : 75 Hz
Maximum PixelClock : 150.000 MHz
Maximum Width : 1680 pixels
Maximum Height : 1050 pixels
Preferred Width : 1680 pixels
Preferred Height : 1050 pixels
Preferred VertRefresh : 60 Hz
Physical Width : 470 mm
Physical Height : 300 mm


i tried this command:
nvidia-xconfig --base-mosaic --metamodes="GPU-0.DFP-0: 1680x1050+0+0, GPU-1.DFP-0: 1680x1050+3360+0, GPU-0.DFP-1: 1680x1050+5040+0"

WARNING: Unable to locate/open X configuration file.

Option "BaseMosaic" "True" added to Screen "Screen0".

ERROR: Unable to write to directory '/etc/X11'.

What can i do now? i can open "NVIDIA X Server Settings"
but i dont know how to save
where do i need to save and what file name?
/usr/share/X11/xorg.conf.d ?
please help
best regards,
Efe