Official configuration utility for x.org.

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49
votes
9answers
119k views

How can I make xrandr customization permanent?

I used to edit the startup script for the GDM (/etc/gdm/Init/Default) to permanently change my display resolution. How can I do this with LigthDM in Ubuntu Oneiric?
32
votes
3answers
31k views

How to set the monitor to its native resolution which is not listed in the resolutions list?

After installing Ubuntu 10.04 with my Samsung SyncMaster B2030, native resolution (1600X900) is not found in the list of resolutions.
25
votes
2answers
71k views

How to set a custom resolution?

I tried to use xrandr to set 1680x1050 as a new mode to VGA output, but it says: sudo xrandr --addmode VGA-0 1680 X Error of failed request: BadMatch (invalid parameter attributes) Major opcode ...
1
vote
2answers
3k views

How to run xrandr commands at startup in Ubuntu

How can I run the following xrandrcommand on startup? xrandr cvt 1368 768 xrandr --newmode "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync xrandr --addmode VGA1 ...
14
votes
4answers
48k views

How to force Multiple Monitors correct resolutions for LightDM?

I am affected by the BUG: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/874241 Otherwise, if like me you have a laptop connected to a second monitor of higher resolution, LIGHTDM at the ...
17
votes
4answers
109k views

How to detect and configure an output with xrandr?

I have a DELL U2410 monitor connected to a Compaq 100B desktop equipped with an integrated AMD/ATI graphics card (AMD E-350). The installed O/S is Ubuntu 10.04 LTS. The computer is connected to the ...
1
vote
1answer
433 views

Output of xrandr shows 1024x768+1366+0; what does it mean and can I change it?

$ xrandr VGA1 connected 1024x768+1366+0 (normal left inverted right x axis y axis) 0mm x 0mm I don't understand what the number 1366 in 1024x768+1366+0 represents. Can I change its value?
5
votes
1answer
874 views

Run script when monitor is connected

I am trying to run a script located in usr/local/bin/ when I connect an external monitor to my laptop. I have tried to add a new udev rule but that did not work. I created a new file in /etc/udev/...
13
votes
2answers
17k views

Rotate only one screen

If I have only the internal monitor (LVDS1) with an xrandr -o left command. Now I want to attach a second monitor, say to HDMI1. Then I'd like to rotate only the internal monitor, but not the external ...
5
votes
2answers
10k views

Can I zoom out windows or scale the whole desktop?

I have a 17" laptop with 1600x900 resolution, but it's not enough to open windows side by side. I'm wondering if i could zoom out (or any other solution) windows (or the whole desktop). Is there a ...
4
votes
2answers
4k views

Maximize windows to physical screen when using a virtual resolution w/xrandr

I have a netbook with a small screen in widescreen format (1024x600), which means that a lot of programs whose designers didn't imagine such a thing open windows that can't be resized and whose ...
6
votes
3answers
19k views

Can I force VGA signal output even when xrandr shows 'disconnected'?

My notebook is connected to a HDTV through a KVM Switch (one other notebook also connected to the same HDTV). The problem seems to be that Ubuntu doesn't recognize the HDTV to be turned on and ...
12
votes
1answer
17k views

Why don't my lightdm.conf edits affect my desktop screen resolution?

I wanted to change my desktop screen resolution to 1366x768. But my VESA drivers(AMD REDWOOD) did not detect that resolution. So I created a shell script as follows:- xrandr --newmode "1368x768_60.00"...
6
votes
4answers
18k views

Any really decent way to get three monitors?

What satisfactory solutions are there to achieve three monitors on Ubuntu? I know some ATI cards (Eyefinity) can support 3 monitors from a single card, but I don't know how well this is supported ...
6
votes
5answers
44k views

Failed to get size of gamma for output default when trying to add new screen resolution

I'm trying to adjust resolution on my new MSI GT70 2OC. In settings, only one resolution is available: 1920x1080. This is fine, except that I need to decrease the resolution and make it more ...
1
vote
1answer
2k views

Running a script at startup that uses xrandr to set display options

I've tried numerous methods of getting the following commands to run at startup xrandr --output DFP10 --rotate left xrandr --output DFP11 --right-of DFP10 This is necessary because my left monitor ...
20
votes
3answers
6k views

How to disable global <Super>-p shortcut?

In ubuntu 11.04 there was a workaround using gconf-editor and setting key /apps/gnome_settings_daemon/plugins/xrandr/active to false. However there is no such key in gconf-manager using ubuntu 11.10 (...
10
votes
5answers
43k views

Set a specific screen resolution with xrandr

So I installed LUbuntu 11.04 on my VirtualBox. I couldn't find the 1366x768 resolution so I installed Guest Additions but it wasn't there. So I used this code to set the correct resolution: gtf 1366 ...
4
votes
1answer
15k views

How to set resolutions with xrandr using multiple monitors

I want to set specific resolutions to 2 monitors. How can I tell xrandr which monitor to change resolution.
1
vote
1answer
663 views

Problem with xrandr rotation inverted

I have a lenovo x230t and have recently begun to retry with getting my screen rotation to work properly. I've been using the following: https://github.com/martin-ueding/thinkpad-scripts. But calling ...
3
votes
1answer
2k views

Possible to run a script when something plugged in / disconnected from Mini DisplayPort?

In /etc/acpi/ there are several scripts that can be customized to do something when a particular event happens on your physical computer, like the lid.sh script which is called when the laptop lid is ...
2
votes
1answer
6k views

Nouveau quad monitors dual-GPU error: could not set the configuration for CRTC 64

I have 2 GPU (Nvidia G96GL Quadro FX 580) hooked to 2 monitors each, and while I was on 12.04 I was happily using all 4 monitors using the proprietary drivers. I recently upgraded to 13.10 and all ...
2
votes
3answers
2k views

Eye strain; how to change refresh rate to 120 Hz?

I am a new Ubuntu user, and have been playing around with it with since installing it. I noticed that I have been getting a lot of eye strain due to the low refresh rate (of 50 or 60). I found this ...
2
votes
1answer
506 views

How can one run a shell script just before the desktop session begins?

I want my system to run with 1366x768 resolution. Note that this resolution is not detected by the open source driver. So I created a bash script as follows :- xrandr --newmode "1368x768_60.00" ...
2
votes
2answers
10k views

My 1440x900 resolution is not recognized

Today I decided to install Ubuntu 11.10, and it did not recognize my resolution - 1440x900. This has already happened in other versions of Ubuntu. However, in 11.10 I cannot get this resolved. Can ...
1
vote
1answer
119 views

Restore multiple monitor settings

This is a folow-up to a previous question (Saving monitor settings?), where we learned that the configuration is saved in file ~/.config/monitors.xml. My problem is that my configuration is usually, ...
1
vote
1answer
158 views

display configuration lost after reboot

I run Ubuntu 14.04 Gnome Desktop with two displays. After startup, the two displays work, but they are not at the right position. I need the left one on the right and vice-versa. I use the display ...
1
vote
1answer
103 views

How can I quickly toggle monitor orientation with a shortcut key?

While looking if someone asked this question before, I landed on this for Windows. I'd like to do something similar (shortcut or terminal alias/command) on Linux/Ubuntu to be able to quickly switch ...
15
votes
3answers
6k views

How to set default xrandr settings?

I'm trying to enable dual monitors in Ubuntu. This is working fine, but every time I do it, desktop effects is disabled. I think I've found the reason why, though: https://wiki.ubuntu.com/X/Config/...
3
votes
1answer
2k views

How to get second display to work alongside primary display?

I've almost got this problem solved... I've got both displays working now. The secondary display is displaying a purple background. Unfortunately, I can't use it. (I can't move the mouse into it, etc.)...
9
votes
1answer
518 views

Why do xrandr errors “BadMatch”, “BadName”, “Gamma Failed” happen?

I have not found a single solution to such errors, despite the rather large number of users out there who have them. So I want to try to find a solution myself. However, I have no idea why they occur....
0
votes
0answers
236 views

xrandr causing various cursor problems

I am using ubuntu 15.10 on a MacBook Pro 2014 (Retina screen) and I am having to use xrandr to scale the HDMI output so that everything on my (normal DPI) 1080p external monitor isn't ridiculously ...
5
votes
1answer
402 views

Add asymmetrical margin on LCD display?

My old laptop display is starting to break, and I have many dead pixels and other physical issues on the left side of the screen only. Of course I should get a new monitor (or ideally a new laptop), ...
5
votes
1answer
2k views

Virtual screen larger than 4096x4096 using xrandr

I have a triple monitor setup with a 1920x1200 monitor in the middle and two rotated 1600x1200s on the sides, for a total requirement of 4320x1600. I recently installed xubuntu and I'm trying to use ...
4
votes
1answer
6k views

xrandr not listing modes in xorg.conf

On my Lenovo w520, xorg/xrandr (with intel driver) detects the native resolution of my LCD panel, but doesn't seem to detect any 16:9 intermediate resolutions: Screen 0: minimum 320 x 200, current ...
2
votes
1answer
118 views

Problems add a new resolution to monitor(2nd monitor) (16.04 desktop)

I am having trouble adding the correct resolution for my second monitor. Both of my monitors worked fine in windows and I'm not going back :) I am running a single GTX980 with one monitor connected ...
1
vote
1answer
1k views

Not available native resolution 2560x1440 (Display: DELL U2515H, GPU: nVidia GF550Ti, Ubuntu 15.04)

My display is a DELL U2515H. I have a nVidia GF550Ti GPU, and both should support the native resolution of 2560 x 1440 over HDMI. But highest resolution ubuntu detected automatically is 2048 x 1152. ...
1
vote
1answer
1k views

xrander problem with 1900x1080p

i have a problem with xrandr i successfully executed the following : #cvt 1900 1080 #xrandr 1900x1080 170.75 1904 2024 2224 2544 1080 1083 1093 1120 -hsync +vsync but unfortunately the following ...
3
votes
2answers
1k views

Resolution resets after every reboot, Screen Resoultion stuck at 1024x768

I installed a fresh copy of ubuntu 12.10 but the problem is that it does not recognize my monitor which is LG E1942. The screen resolution is stuck at 1024x768 and the other option is 800x600 but my ...
3
votes
1answer
3k views

Unable to change the refresh rate to 60hz with xrandr

My monitor supports 1920×1080 @ 60hz (LG W2486L) and graphic card (GeForce 9400 GT) using Ubuntu 12.04. When I type xrandr -q I get this: xrandr -q xrandr: Failed to get size of gamma for output ...
3
votes
3answers
453 views

Script display settings: xrandr

I would really like to be apply my display settings (currently managed with xrandr) on an automated basis after plugging in my display. I assumed this could be done with a Bash script, however I have ...
3
votes
1answer
742 views

Xrandr configuration in .bashrc not running until I open a terminal?

I have the following in my .bashrc file... # ~/.bashrc: executed by bash(1) for non-login shells. # see /usr/share/doc/bash/examples/startup-files (in the package bash-doc) # for examples # multi-...
2
votes
1answer
1k views

Xrandr error when using using 2560x1440 monitor

I have an 2560x1440 monitor on an Intel HD graphics adapter. Since Intel HD cannot by default drive a display higher than 1920x1200, I used in Ubuntu 12.04 the following trick (derived from https://...
1
vote
1answer
154 views

Desktop monitor brightness adjusting

Is it possible to adjust desktop monitor brightness like on laptops? Yes all desktop monitors have separate menu for it. But is it possible to change this to something like Winkey+(F1..F12)? ...
1
vote
1answer
4k views

How to set the monitor to its native resolution when xrandr approach isn't working?

I am trying to setup my Samsung syncmaster B2030 monitor in ubuntu 12.04. It's native resolution is 1600x900 which I am not getting in ubuntu and which I am trying to get. I tried using xrandr ...
1
vote
0answers
145 views

Lubuntu: hotkey to toggle displays

I am relatively new to Linux and new to bash scripting. I am trying to set up a Fn-F5 key on my old Asus EEE netbook to toggle between internal and external monitors. Creating a bash script in ~/bin/...
0
votes
2answers
625 views

Intel GMA X3100 external monitor resolution issue

I'm running Ubuntu 12.04 on a MacBook 4,1 (Intel GMA X3100 graphics chipset) on an external monitor, but can only get a resolution of 1024 x 768 (I get 1280 x 1024 in OS X). I'm able to force the ...
0
votes
1answer
962 views

Ubuntu 14.04: reset xrandr config

I did a wrong setting with xrandr (wrong use of --scale parameter) and now my Ubuntu 14.04 freeze after unity login screen I tried to remove (from recovery shell) ~/.config/monitors.xml and set ...
0
votes
1answer
3k views

xrandr: Can't add new mode

After enabling NVIDIA drivers in Ubuntu 10.10, Ubuntu sets monitor refresh rate to 50 Hz. When I try to change it to 60 Hz, I get this error: CVT Output cvt 1280 800 1280x800 59.81 Hz (CVT 1.02MA) ...
0
votes
1answer
611 views

Error with xorg.conf when trying to add virtual screen to fix the problem of too small screen resolution for an application on 10.1" screen

I am using a netbook with a 10.1 inch screen and resolution 1024x600. I am running Ubuntu 10.04 LTS and when using the neural network toolbox from Matlab a window is off the screen and I cannot access ...