xrandr is a X Window System extension, which allows clients to dynamically change X screens, so as to resize, rotate and reflect the root window of a screen.
Questions tagged [xrandr]
551 questions
93
votes
7 answers
How to set custom resolution using xrandr when the resolution is not available in 'Display Settings'
I'm a new Linux user trying to change the screen resolution as there is no option under display. I have successfully managed to add new resolutions by fluke by following online guide. I don't have a GPU, I don't know if this is the issue? Below is…
nick
- 941
- 1
- 7
- 4
75
votes
11 answers
A tool for automatically applying RandR configuration when external display is plugged in
is there a tool which enables one to:
remember current RandR configuration (position, orientation, resolution etc) on per-monitor basis,
automatically apply last known good configuration as soon as the display is plugged in, with no need to muck…
Yaroslav Fedevych
- 913
- 1
- 7
- 7
66
votes
3 answers
How does Linux's display work?
The Linux's display system uses multiple technology, protocols, extensions, applications, servers (daemon), drivers and concepts to achieve the windowing system for instance:
Xorg, Wayland, X11, OpenGL, RandR, XrandR, Screen Resolution, DPI, Display…
intika
- 13,920
- 7
- 41
- 79
37
votes
6 answers
How can I swap my two screens, left to right?
I pressed something and accidentally swapped my two screens. My left one is actually considered as the right one, and vice versa. How can I swap them back?
Edit - Specifically, I'm using Gnome, though we might also want to keep this question…
ripper234
- 31,063
- 43
- 82
- 90
32
votes
5 answers
How to get EDID for a single monitor?
Pending an answer to xrandr detects amplifier as monitor a possible workaround is to blacklist devices with specific EDIDs. Unfortunately xrandr --verbose prints everything in a format which is cumbersome to parse and doesn't support querying single…
l0b0
- 50,672
- 41
- 197
- 360
28
votes
5 answers
Mirror dual monitors with different resolutions
I use the following xrandr command to mirror my 17" laptop with a 27" external
monitor, so I can use it to do presentations:
xrandr --output LVDS1 --mode 1600x900 --output HDMI1 --mode 1920x1080 --same-as LVDS1
However, the external monitor…
milarepa
- 1,456
- 2
- 16
- 22
22
votes
1 answer
xrandr doesn't detect monitor on hdmi port
I installed Arch on my laptop but I don't think this problem is specfic to Arch. The only problem at the moment is that the display connected to the hdmi port isn't detected. For example running from the gnome control centre the display applet then…
sashang
- 726
- 2
- 7
- 17
22
votes
1 answer
Why is laptop screen called eDP1?
In my new laptop, using i915 and the intel driver of Xorg, the laptop screen is called eDP1 in Randr
$ xrandr
eDP1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm
1366x768 60.14 + 40.09
1360x768 …
Martin Monperrus
- 1,221
- 3
- 12
- 20
20
votes
3 answers
Wayland equivalent of arandr
On my main computer, I use xrandr and/or arandr with i3 to configure and save multiple different screen layouts and map them to various keyboard shortcuts.
I recently installed Fedora with Gnome on Wayland. I am totally at a loss when it comes to…
pictorexcrucia
- 125
- 1
- 1
- 9
20
votes
3 answers
Add VIRTUAL output to Xorg
I want to create a dummy, virtual output on my Xorg server on current Intel iGPU (on Ubuntu 16.04.2 HWE, with Xorg server version 1.18.4). It is the similiar to Linux Mint 18.2, which one of the xrandr output shows the following:
Screen 0: minimum 8…
Paulus
- 303
- 1
- 2
- 5
19
votes
3 answers
How do I resolve "xrandr: cannot find crtc for output"?
Whenever I come to work I type
xrandr --auto
xrandr --output VGA1 --right-of LVDS1
This gets my second display working, however now I get
xrandr: cannot find crtc for output VGA1
For reference here is the output of xrandr,
Screen 0: minimum 320 x…
Evan Carroll
- 28,578
- 45
- 164
- 290
18
votes
3 answers
Cursor flickers with xrandr scaling
Unhappy with the unreasonably large text on my 1920x1080 external screen connected to a laptop with a 3200x1800 display in Fedora 24, I tried rescaling the external screen by using:
xrandr --output HDMI-2 --scale 2x2 --mode 1920x1080 --fb 7040x2160…
stardt
- 281
- 1
- 2
- 4
17
votes
1 answer
How to modify the default setting adopted by xrandr when connecting an external monitor?
I am confronted with a problem when connecting the external monitor while the computer is open.
At that point it seems that xrandr adopts one of the combinations that do not work.
As a workaround to the other larger problem, I want to be able to…
user32012
17
votes
4 answers
Cannot add new mode in xrandr for external monitor
Today I was trying to connect my second monitor to my notebook. I have:
nvidia graphic card
304.43 drivers [support xrandr 1.2]
archlinux [up-to-date]
awesome wm
xrandr 1.3
My problem is with bigger resolution than 640x480 for my external monitor…
Borgo
- 171
- 1
- 1
- 4
17
votes
1 answer
xrandr scale 2x2 for multi display (4K HiDPI and Full HD mix) - blurred output
On Kubuntu 17.04 with nouveau, I'm trying to obtain a dual monitor setup with a 4K as main one and a Full HD (actually 1920x1200 but makes no difference) on the right.
I'm using double KDE system scale (as described in…
Ayberk Özgür
- 309
- 1
- 2
- 6