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.

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37
votes
11answers
17k views

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 ...
10
votes
2answers
1k views

Set Xorg to use only part of the screen

My screen has 1280 x 1024 resolution. But unfortunately, rightmost belt of 200 pixels is damaged and unable do display any image. How can I set that the Xorg will treat my screen as 1080 x 1024 ...
12
votes
1answer
737 views

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 ...
4
votes
2answers
13k views

Multiple screens on debian

I have two screens on my computer, but they all show the same image (i.e I can't activate dual screen). I saw on some blogs that I need to configure xrandr for this, but it fails to do so. Here is ...
2
votes
0answers
4k views

“xrandr: Failed to get size of gamma for output default” for Guest CENTOS 6.6, HOST OS Windows 7 enterprise

I am getting the following errors: xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm ...
10
votes
3answers
11k views

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 ...
9
votes
1answer
39k views

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 ...
6
votes
1answer
4k views

Save display settings for specific monitor

When i'm connecting an external Monitor to my notebook (specs below), whether with VGA or Displayport, I always have to configure the screen resolution and display position. At the moment i'm doing ...
4
votes
0answers
145 views

xrandr detects amplifier as monitor

To help with setting up multi-monitor X I'm using a simple script to get screen resolution information using xrandr. This was working fine until I tried attaching an amplifier to attempt to use HDMI ...
3
votes
1answer
4k views

HDMI not detected by `xrandr`

There's no output from my HDMI port and my TV shows NO Signal. My Current OS: Linux Mint 15 Things I have tried with no success: Change the HDMI cable Install another operating system ( Windows 7, ...
2
votes
1answer
4k views

RandR not recognizing monitor

I just plugged my EeePC to a Sony BRAVIA KDL-32EX710. Such TV supports resolutions up to 1920x1080, but RandR only let me use resolutions from 640x480 to 1024x768. In order to use full resolution I ...
1
vote
0answers
263 views

Enabling triple-head setup with two Nvidia GT730 (Ubuntu)

After installing a second Nvidia GeForce GT730 in the hope of overcoming a single card's limitation of only being able to support two monitors, I still cannot get a 3rd monitor working. I keep the ...