0
votes
0answers
73 views

Ubuntu 14.04 uknown external display low resolution

I have fresh-installed Ubuntu 14.04 over the weekend on my Dell E6520. The nouveau driver didn't allow me to use maximum resolution for my laptop display. Switching to the nvidia (proprietary, tested) ...
0
votes
0answers
76 views

Unreliable detection of external monitor

I am using a Lenovo T410S with a port replicator that has two external monitors attached using DVI. Some times when I boot into Linux, one monitor is detected. Other times it is two. Oddly enough, ...
1
vote
0answers
581 views

Dual-head with fluxbox

I have a laptop with fluxbox as window manager, and I'm trying to configure the dual-head behaviour, for when I connect a video-projector. My system is AMD-optimus based, but I mainly only use the ...
1
vote
1answer
159 views

What is crtc and how many outputs can I enable using xrandr?

I'm using a Lenovo x220i thinkpad, running crunchbang linux (which uses the openbox window manager). The laptop has a DP and VGA plug on the side. Hooking up the DP and VGA cables and running xrandr, ...
1
vote
0answers
171 views

How to handle HDMI ports with DP adapter with xrandr [closed]

I'm currently running ubuntu with dwm on my macbook air and I have a problem. When I connect to a monitor using a dongle, which converts an HDMI cable to MBA's DP port, xrandr still recognizes it as ...
8
votes
2answers
622 views

Disable Unplugged Displays (xrandr)

I have a laptop with two video outputs that I use when I am home (HDMI1,VGA1). To enable them, I do this: xrandr --output HDMI1 --right-of LVDS1 --auto xrandr --output LVDS1 --off xrandr --output ...
0
votes
1answer
312 views

Xrandr on osx not recognising screens

in relation to this question, I'm using the xrandr command in osx to perform operations on my external monitors. Unfortunately it does not appear to be recognising external montitors at all: ...
2
votes
1answer
998 views

2 monitors, 2 virtual desktops in lxde

My computer runs LXDE over Ubuntu (they call it Lubuntu) and I experience an interesting problem. I connect 2 screens to my computer so I expect that if I have 2 virtual desktops then one of them will ...
4
votes
1answer
801 views

XRandR DPI on multihead linux

I have multiple screens with different correct DPI settings. I can use xrandr --dpi X to change DPI for all screens, is it possible to set different DPI for each screen? How do I make apps ...
6
votes
3answers
5k views

Xfce - Can't set primary monitor in xrandr

I'm using Xfce 4 Desktop Environment version 4.6.1 (Xfce 4.6) I'm trying to get a dual monitor setup working. I have a vga monitor plugged in and sitting to the left of my laptop. I want to have ...
6
votes
3answers
10k views

Dual monitor setup: xrandr versus xorg.conf

Dual monitor setups on GNU/Linux are known to be great fun! After fiddling with my xorg.conf for a couple of days, I've managed to come to a point where I can get pretty much what I want (two screens ...
2
votes
1answer
4k views

Use xrandr to set the absolute position of the screen?

I am running XFCE on Fedora 15. I use xrandr to set the secondary display (HDMI-0) to be to the right of the primary (DVI-0), however it is always at the top-right. Is it possible to set the absolute ...
1
vote
1answer
407 views

Dual monitor setup in kubuntu has deadzone in between, how to fix it?

10 and have two monitors next to each other (one graphics-card, split DVI cable), they are in portrait mode and the setup with krandr was a snap. But even though everything displays correctly, when ...
1
vote
2answers
2k views

How to fullscreen application across both monitors of dual head display?

I have two Ubuntu 10.4 machines (and Ubuntu continues to hide more and more xorg.conf config such that I no longer know where to find it). One is a laptop running dual headed - DP1 is the internal ...
2
votes
4answers
4k views

Triple monitor setup in linux

I'm hoping there are some xorg gurus out there. I'm trying to get a three monitor setup working in linux. I have 2 lcd monitors and a tv, all different resolutions. I'm using 2 video cards; a ...
4
votes
1answer
6k views

dual screens, xrandr: get names of video devices

I have been trying to configure dual-screen with my laptop docking station using xrandr. After some Google and SU searches, I have managed to: xrandr --output LVDS --pos 1680x0 Which sets my ...