Official configuration utility for x.org.

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How to calculate framebuffer for xrandr

I have two monitors side by side. One is 3840x2160@30hz the other is 1280x1024@60hz. I am trying to set the smaller monitor's scale: xrandr --output VGA1 --scale 2x2 With this command only 1/4 of ...
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15 views

xrandr “cannot find mode” although mode is added and shows on xrandr

I'm trying to use my tablet as an extended monitor for my laptop, following Prometheus's answer here. I got to the point where I'm supposed to output the mode with VGA-0, but xrandr "cannot find ...
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18 views

xrandr not detecting outputs

My screen is getting cut off, and was suggested to use xrander. Now I am having problems using it. ~$ xrandr --output LVDS --mode 1024x768 warning: output LVDS not found; ignoring I am using HDMI ...
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11 views

Alternatives to xrandr for HiDPI double screens

I have a Dell Precision 5510 with a 3840x2160 screen, connected to a monitor with a 1920x1200px resolution. In order to use them together I followed what is suggested here. In other words, executing: ...
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31 views

When the “Mirror displays” Did you wake up any action ? (Command line)

I have installed Ubuntu 16.04 on my laptop(Samsung NT530U3C-A54). It was connected to the monitor using the HDMI cable. "Mirror displays" the check was possible to use only the Three resolution ...
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1answer
80 views

External monitor turns off for several seconds every 5-10 minutes

I've got the following issues with my Ubuntu 16.04 installed on Lenovo ThinkPad T500 laptop with two external monitors connected via display and VGA ports. I think the issue started after I've ...
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32 views

How do you detect physical screen flip on a 2-in-1 Notebook?

Making the display flip is pretty straight forward. I detected that on my Dell Inspiron 15-7568 I have the following setup: $ xrandr -q Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x ...
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1answer
16 views

Remove extra space in virtual display

I am using two monitors and when moving the mouse from one to the other it disappears somewhere in the middle for a while. There is some virtual space between both monitors. I am using xfce. xrandr: ...
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37 views

Triple Monitor Setup Problem (specifc, could not find an answer)

Despite my sincerest efforts to avoid asking a question that thousands of others have had similar issues -- alas, I am not skilled enough in Linux to diagnose this myself and no other solution attempt ...
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1answer
93 views

add resolution to ATI card - 16.04

my computer is dell Inspirion One http://www.cnet.com/products/dell-inspiron-one-2205-athlon-ii-x2-240e-2-8-ghz-4-gb-500-gb-led-21-5/specs/ kbywalec@compaq-Presario-CQ60-Notebook-PC:~$ xrandr ...
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13 views

Washed out colors on a Macbook Pro; the usual answer doesn't work

Xubuntu 14.04 on a Macbook Pro 2012 version. r@r-MacBookPro:~$ xrandr --query Screen 0: minimum 8 x 8, current 1280 x 800, maximum 32767 x 32767 LVDS1 connected 1280x800+0+0 (normal left inverted ...
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13 views

getting Precision 3510 to use Achieva QH270 — bad EDID

I have tried everything I could find, but nothing seems to quite work... But I'm just screwing around in the dark here. So, I'm plugging this monitor in to the DVI-D (believed to be) dual link port ...
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24 views

Shift screen with xrandr

Some days ago I crashed my laptop's screen. For now I can only see a part (more than half screen) the right part, so the launcher and many things that appear usually at left are hidden, and most of ...
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35 views

Android as a second monitor - screen moving with mouse

I followed this: http://mikescodeoddities.blogspot.cz/2015/04/android-tablet-as-second-ubuntu-screen.html and it's almost working. I am able to connect with my tablet and I see the second part of ...
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38 views

Remove displays from xrandr

How to remove displays (external screens connected to XPS 9350) from xrandr. Currently my xrandr -q looks like: Screen 0: minimum 8 x 8, current 3200 x 1800, maximum 32767 x 32767 eDP1 connected ...
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1answer
22 views

What are all possible display types under xrandr?

I know VGA , LVDS, HDMI and DVI exist. Is there any list containing name all kind of such outputs?
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17 views

How to completely reset xrandr

Is there any command which completely resets all settings of xrandr? I have checked this and this but the command xrandr -s 0 does not reset brightness.
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1answer
53 views

understanding details of xrandr

while exploring different possibilities of my monitor with different resolutions I have been using xrandr. I wish to know what one of the outputted data of xrandr means. In the following example I ...
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1answer
60 views

How do I check if a set of commands are executed on startup? [duplicate]

I'm in the process of creating a GUI-frontend to xrandr, and I need some commands to be executed on startup. I'm using a .desktop file placed in ~/.config/autostart. I can't tell if this will work, ...
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2answers
283 views

How to set Display Resolution while having to use “NOMODESET” on boot

I have a Samsung laptop with a Radeon graphics chip. Live-Images and graphical installation have always worked on this laptop with the proper resolution of 1366x768. However, after Ubuntu had been ...
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19 views

The power supply of my external monitor broke, how can I switch on my internal screen?

Ubuntu version : 15.10 Laptop display : disabled External monitor Dell s2415h : enabled The power supply of my external screen is gone, so I can't see anything on my external monitor but the ...
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13 views

Monitor became disabled after xrandr

I'm trying to setup ultrawide (ACER B296CL) monitor on ubuntu using this question: How to set the monitor to its native resolution which is not listed in the resolutions list? After I've executed ...
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1answer
52 views

Cannot change brightness in laptop

I am trying to change the brightness of my laptop using xrandr, but I get this error. Here's the segment: janreggie@janreggie-T100TA:~$ xrandr Screen 0: minimum 8 x 8, current 1368 x 768, maximum ...
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36 views

Can't rotate screens

I have a dual monitor setup and want to rotate one of the two screens, I looked up how to do it, but I get an error: {20:17}~ ➭ xrandr Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 16384 x ...
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94 views

Trying to setup a 4096x2160 modline on a LG 31MU97 monitor

So I have an LG 4k (31MU97) monitor that supports 4096x2160 at 60Hz. I can run 3840x2160 at 60Hz fine. When I run xrandr, I don't see the 4096x2160 mode: Screen 0: minimum 320 x 200, current 3840 x ...
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14 views

How can I use the same monitor mode on two different systems?

I have two Ubuntu installations: my workstation runs 14.04, my notebook runs 16.06. A montior is connected to both system through a KVM switch. Through xrandr I added display modes using same ...
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18 views

xrandr reporting wrong resolution after booting from script started with upstart

I have a script in /home/username/.config/upstart myscript.conf ... description "my startup scripts" start on desktop-start exec ~/scripts/startup.sh start that startup script eventually calls ...
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31 views

Screen resolution messed up after installing DisplayPort

I removed the DVI cord between my monitor and NVIDIA GTX 960 and replaced it with a DisplayPort cable. When I turned Ubuntu back on the resolution was bad and I could only see the top left of my ...
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1answer
54 views

How can I make xrandr customization permanent in Lubuntu 14.04?

I used xrand to generate xrandr --output LVDS-1 --mode 1366x768 --pos 1920x0 --rotate normal --output HDMI-1 --off --output VGA-1 --mode 1920x1080 --pos 0x0 --rotate normal command. xrandr proposed ...
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1answer
76 views

How do I save my new resolution setting with xrandr?

I found somewhere in a forum the solve to a problem where the only resolutions available were 800x600 and 1024x768. I managed to get 1440x900, which works very well. Every time I reboot, it ...
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19 views

Laptop Monitor not turning on with two external monitors

I have a Dell Inspiron N7010 set up with two external monitors. System Settings Details The problem I'm facing is I cannot get the laptop monitor as well as my two external monitors to all turn on ...
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110 views

Cannot rotate second monitor with xrandr (Nvidia VGA): cannot use rotation “left” reflection “none”

I've got an Ubuntu 15.10 laptop with an integrated intel VGA and a Nvidia Geforce gtx 960m lspci -nn | grep VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:191b] (rev 06) ...
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52 views

Cannot use --transform nor --scale to fix overscan of TV HDMI on laptop

My TV doesn't have an option to fix the over-scan. Using windows I can fix it by setting the Intel's Screen config to shrink until I fit the display into screen, so theoretically it must be possible ...
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53 views

hybrid graphics Prime problem

Having an issue getting xrandr work. This is what I get following PRIME tutorial xrandr --listproviders ...
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1answer
75 views

Activate display via console tty?

I have a custom xrandr script which enables my external monitors and disables my laptop's monitor. When I disconnect my external monitor, I can't enable the monitor because my screen is blank. I'd ...
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38 views

How to set default screen resolution when computer boots without a monitor

I have the following setup: Ubuntu desktop running 14.04 -> KVM switch -> Apple 30" monitor The monitor only supports the following resolutions: 2560 x 1600 pixels (optimum resolution) 2048 x ...
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36 views

changing resolution: Error of failed request: BadName

I'm trying to create a new resolution to my screen. This is what I typed: $ cvt 1600 900 /#1600x900 59.95 Hz (CVT 1.44M9) hsync: 55.99 kHz; pclk: 118.25 MHz Modeline "1600x900_60.00" ...
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141 views

How can I mirror two monitors with 14.04 on a Dell 5570?

I've just upgraded to a Dell E5570 and am running 14.04LTS. I want to be able to attach an external monitor, but in Mirror mode. (I'm running fvwm with multiple virtual windows and I need to be ...
3
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1answer
54 views

How can I automatically switch off my internal screen on startup if an external monitor is connected?

Solution anyone for a newb? I connect my notebook to external monitor with HDMI. I switch off screen notebook since I'm not using it. Ubuntu 15.04 remembered this setting after reboot, but with 15.10 ...
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19 views

X setup creates an additional, hidden screen on startup

When I start Xubuntu it appears that X creates a hidden screen 0 before creating the actual screen 1. Screen 0 takes the focus and xfce-panel setup and screen 1 (the visible one) remains empty with ...
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41 views

How to fix display resolution

I need your help anyone. I am trying to add resolution using xrandr method and when I am trying to create new mode this error appear matthew@ChroPC:/etc$ xrandr --newmode "1920x1080_60.00" 82.97 1000 ...
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1answer
103 views

xrandr: S-Video TV display problems

I'm having some troubles with xrandr and S-Video/Composite output in Ubuntu 14.04. Right now I have 3 displays plugged into my computer: VGA, DVI, and TV (S-Video/Composite, not sure about the ...
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14 views

Disable one monitor in multihead when manually powered off

I have four-head Unity system. The fourth (VGA-only) monitor is only used when standing at a treadmill desk. I'd like to enable and disable that monitor based on whether it is powered on -- ...
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71 views

AMD/AMD Gallium and Xrandr

I have a laptop with an AMD A10 5750m (HD 8650g iGPU) + HD8970m (dGPU). I am using the open-source graphic drivers and DRI_PRIME=0/1 to change between GPUs whenever I need some extra power. Today I ...
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61 views

xrandr scale with vsync

I currently am using xrandr's --scale option to scale applications correctly on my hidpi monitor where the 2x scaling option provided by gnome shell is too large. I currently use these commands to ...
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33 views

Problems with resolution scale

I have some problems with my resolution scale. I've already searched for it but the commands I write in the terminal has errors every time. "xrandr --output LVDS1 --mode 1366x768 --scale 1.50x1.50 ...
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53 views

Can't get correct resolution on second screen in 14.04

A few months ago I did an upgrade from 12.04 to 14.04 and it generally worked, but was quite unstable. I decided to do a fresh install of 14.04. First, my display system: GeForce 9500 video card, ...
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57 views

Forcing 60Hz refresh with 4K monitor

I have a P2415Q Dell and it's been working brilliantly. Then this morning it inexplicably started refreshing at 30Hz and I cannot seem to set it back to 60Hz (there is no option higher than 30Hz in ...
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41 views

“Failed to get size of gamma for output default” Really stuck :(

I recently installed Ubuntu 14.04 onto an old Advent laptop, but I'm unable to change from a default 640x480 resolution. The xrandr terminal command displays the error message shown in the title. ...
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21 views

xrandr crop video

I've been binge watching on Shark Tank lately, but the since YouTube uploader didn't "officially" release the video, they posted the video through some loopholes. I would like to view the video in ...