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1

The problem got solved by itself after some Ubuntu updates. Currently my xorg.conf file looks like this: Section "ServerLayout" Identifier "layout" Screen 0 "nvidia" Inactive "intel" EndSection Section "Device" Identifier "intel" Driver "intel" BusID "PCI:0@0:2:0" Option "AccelMethod" "SNA" EndSection Section "Screen" ...


0

It seems that it's fixed now. I removed xorg-edgers-ppa from sources.list.d directory: sudo rm /etc/apt/sources.list.d/xorg-edgers-ppa-trusty.list.save or better: sudo add-apt-repository --remove ppa:xorg-edgers/ppa Then ran an update and upgrade: sudo apt-get update && sudo apt-get upgrade Then reboot X: sudo service lightdm restart ...


0

Try using the nvidia-settings -> X Server Display Configuration -> Detect displays. I've successfully used it to display the desktop on two monitors (one @2550x1440, the other @1920x1080).


-1

I am sorry but you are out of luck. Displaying 2560x1440 pixels requires using a higher graphics chip frequency and even if this is within the spec of the chip the laptop manufacturers disable anything above 1920x1080 to prevent overheating. I am yet to see a laptop whose spec says Support of external monitor @2560x1440 pixels . You can use your shiny ...


0

What VLC does (in your case) is display 2 computers on one screen and one computer controls the other. Except copy-paste between the VLC virtual screen (a window on your desktop) and the controlling computer's desktop not much interaction goes on. If you want to extend the laptop's screen onto the tablet, it depends on the tablets hardware. If it has a ...


0

I have knocked up something that seems to work on my machine. I have not managed to test it with multiple monitors, but I think the settings will work for you. It requires you to have installed xdotool. If it works, put it in your .rclocal, as described here, and it will run on startup. #! /bin/bash # Cursor relocation script by Cass May ...


0

The standard Ubuntu NVidia drivers generate some problems on slightly older and slightly newer NVidia hardware. If you want more then the standard Ubuntu repository drivers, install the xorg.edgers PPA. As the xorg.edgers group ask not to give installation instructions directly without linking to their page, this is the best I can do for now... If you ...


0

I think I found a solution for this. I was having the same issue, unplugging and plugging the second monitor did nothing to solve to problem in a long term, so I tried other options regarding configuration. I noticed that my laptop had a default resolution of 1366x768 and usually the second monitor has less than that. With those values the problem will be ...


0

I had similar problem. You have probably two graphic controllers one is GeForce GTX770M and second is integrated in processor Intel GMA 4000. Run nvidia-settings and check which one you have currently using. After changing from NVIDIA (Performance Mode) to Intel ( Power Saving Mode) my 2 screens started to working properly.


0

Unfortunatly DisplayLink hardware is still incompatible with most linux distros. https://bbs.archlinux.org/viewtopic.php?id=151463


0

I am using the awesome-cyclefocus module awesome-cyclefocus is a module/plugin for the awesome window manager, which provides methods to cycle through the most recently used clients (typically known as Alt-Tab). It allows to easily filter the list of windows to be cycled through, e.g. by screen, tags, window class, name/title etc.


1

Method 1: Disable Unknown Display Click the Unknown Display Box and below it's on, turn it Off and Apply, Every time you Install Ubuntu for the first Time the Cause is Unknown Display. Method 2: Changing Display Driver to X.Org If you encountering Problems but the First Method doesn't Work, Try this Method Open System Settings once opened you will see ...


0

I got six monitors working in Ubuntu 14.04 by using a GeForce GT 640 and a GeForce GT 740. I'm using the Nvidia 331.113 binary drivers. I was able to configure the cards with the Nvidia X Server Settings app. I had to add a second "screen" in my "server layout" which I did with that settings app.


2

Most likely one of these situations is the case (In the example, HP 22" is my main screen) The screen is misaligned or in another position than you assume Open System settings > Screens: 1. the screen is misaligned 2. the screen is positioned differently from what you assume: on the left side.. ... or on top: Simply drag the window in another ...


0

Looks in System Settings - > Displays how configuration of your system looks like. If all is okay and it looks like you predicted then try to move your mouse fast, sometimes my screen may not work for some reasons even if I know that I'm on the level of the screen I need. If all of it isn't work problem may be with the cabal change your hdmi/dvi or other.


0

I had the same problem. In my case grub would appear on both displays with the same resolution (1920X1080) which is not handled by my primary display. So first you want to check if this is the case with you. Run terminal enter: sudo gedit /etc/default/grub Uncomment the line #GRUB_TERMINAL=console Save and close. Run sudo update-grub And reboot, ...


2

What you're trying to do is impossible. A "DisplayPort Splitter" doesn't add any functionality to the existing "DisplayPort": it just does what it's designed to do: transmit electrical signals from one wire to two wires. (note: electric, not electronic) So you cannot get multiple workspaces to display on one monitor and have half on one and the other ...


0

If monitor 2 is a TV, that is absolutely no problem: just use the "Input" button to switch between input signals. (or use the remote) If Monitor 2 is a real computer monitor, the easiest (and safe) way is to add a piece of hardware called a KVM switch. Not only will that allow you to use the 1 monitor on 2 computers, but it will also allow you to use 1 ...


2

My best guess would be that this is caused by the discrepancy in VRAM. The first GPU (Radeon HD 6450/7450/8450 / R5 230 OEM) has 1GB of VRAM, while the second GPU (Radeon HD 3450) has only 512MB. When you put together multiple GPUs, the VRAM doesn't add up, it is the same as the GPU with the lowest RAM. Essentially, you're just boosting your processing ...


4

Simply: No, unless you change the alignment of your screens (System settings > "screens", drag the left screen up), but then you would have the same problem at the bottom. In Unity (/Compiz), both screens together are seen as one big desktop/viewport. From that point of view, it would be undesirable behavior as well; the mouse would either make a weird ...


0

Go to the system settings in the top-right corner of your screen Click on "screen display" Turn off mirroring Done!;-)


0

locate --existing monitors.xml Low quality queue reviewers: Yup, that's the answer to "Where are the files where the monitors are configured?"


0

I noticed a VGA connection next to the HDMI which apparently does work. This brought me into the GUI. Ty for your help/time!


0

after installing the nvidia drivers the phantom display is gone. I've reached my goal to be able to comfigure nvidia The details are in the original post. Hope this saves someone the time i spent investigating the matter. Cheers.


2

I don't think you need to use sudo here, in fact you shouldn't if it is unnecessary. Simply create a small script: #!/bin/bash xrandr --newmode "1600x900_60.00" 118.25 1600 1696 1856 2112 900 903 908 934 -hsync +vsync xrandr --addmode VGA-0 "1600x900_60.00" Copy it into an empty file, save it as set_resolution.sh Add it to your startup applications: ...


0

That's a monitor setting (thus external hardware, thus off-topic here). Just a small hint before closing this as off-topic: Go to the settings in the monitor itself and try different "refresh rates" aka "scan rates" until it works.


1

The problem exists because my ubuntu 14.04.1 does not support DisplayPort Multi Stream Transport. Ubuntu 14.10 will have the same problem also. Its possible it is working on 14.04.2. Release notes just looking fine, not tested. This functionality is added in the following kernel 3.17 and intel display-driver: (link deleted because of missing reputation ...


0

I am having the same problem with multi-monitors and right-click "organize desktop by name". Some of the icons go off the visible screen and I have to ctrl-A to bring them back into view.


0

Yes I am having the same problem.. I click "organize desktop by name" then the icons go off screen and I have to ctrl-A to bring them back into view.



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