Questions tagged [display]

Questions regarding the display(s) attached to a unix or linux machine, the DISPLAY environment setting, the ImageMagick display tool or (along with X11 tag) remote display redirection

Filter by
Sorted by
Tagged with
0
votes
1answer
21 views

Can't find brightness controls in Linux Mint

I installed Linux Mint recently and then installed Nvidia drivers on my machine. There doesn't seem to be any brightness controls and the brightness keys arent working also. This happened after I ...
0
votes
1answer
12 views

Bypass X forwarding to sommelier during XRDP session (via xorg) on Crostini

On my Pixelbook, I'm using XRDP to RD into an xorg session of XFCE. It works pretty well except that certain Linux apps called upon within the remote desktop session launch in Chrome OS (DISPLAY=:0) ...
0
votes
0answers
31 views

How do I desaturate my screen?

I have a MacBook Air with Linux Mint installed. How do I desaturate my display? Not just one application, the entire display. Is it possible? Edit: Output from xrandr --verbose Screen 0: minimum 320 ...
1
vote
0answers
35 views

How do I get rid of Konsole's random annoying transparent 1px lines?

I'm using the latest versions of Konsole and KDE with Plasma on Arch. It's been an issue since forever. I have random 1px thick transparent lines showing up all over the place. I want to get rid of ...
1
vote
1answer
61 views

xorg configuration 10bpc/30bpp

I'm trying to set my display into 10bpc (30bpp) depth. I should mention my video card and display are capable of this since it's working from MS Windows. After adding the following lines to a file ...
1
vote
2answers
37 views

Display the number of registered users

How can I display the number of registered users on the system who have their home directory in /home and simultaneously have Bash Shell as the command interpreter?
-1
votes
0answers
20 views

Opening a window in tty using framebuffer driver

For example, I want to start in tty3 with no graphical mode and display a window on it using tck/tk, python or whatever. Is that possible? I've tried to export Display=:0 but it doesn't work. Thank ...
1
vote
0answers
9 views

Unknown display causing elongated screenshot

I'm facing some problems with the display. I had this previously but I cannot exactly remember how I solved it then... Okay here is the thing: Login Screen - Misbehaviour What have I tired, didn't ...
0
votes
0answers
18 views

Why is my screen blank when starting CentOS?

Screen blank when booting up CentOS 2.7 GRUB. During the booting process, I see activity scrolling down the screen. Then my screen goes blank. I have a NIVIDIA graphics card, which may be causing the ...
0
votes
0answers
19 views

Dislay won't wake after suspend on Zorin OS Lite 15.1

my Zorin OS 15.1 lite PC doesn't wake from suspend. It turns on, pumps out the codes: [ 1006632390] do_IRQ : 0.55 No irq handler for vector [ 1006641591] do_IRQ : 1.55 No irq handler for vector And ...
0
votes
0answers
64 views

Kubuntu 19.10: Screen flickers after waking up from suspend mode

Issue: Screen starts flickering whenever my laptop wakes up after a sleep or blank screen. Steps to reproduce: Let your laptop go to sleep or let its display turn blank. After wake-up, the display ...
1
vote
0answers
26 views

Force Firefoxe's chrome change font size when DPI changes

I sometimes need to switch between displays of vastly different DPIs. For that, I change the X database using xfconf, a part of Xfce, like so: xfconf-query -c xsettings -p /Xft/DPI -s 144 # or 96, ...
1
vote
0answers
34 views

Reader view with monitor

I have a monitor whose native resolution is 1920x1080. I want to only use part of the monitor (eg., 960x1080): +-----+------+-----+ | |++++++| | | |++++++| | | |++++++| | | ...
1
vote
0answers
43 views

Resetting Display brightness/gamma on external Display doesn't work

I managed to mess up the output on my external Display. I don't know how, exactly. I am running Pop OS and recently upgraded to 19.10. Shortly after I noticed the problem that the display settings on ...
1
vote
1answer
60 views

Custom EDID for specfic physical monitor, not output

I have a setup where I connect to two different displays depending on where I am. I would like to use a mode which one of the monitors doesn't allow, but that won't be loaded when any other display is ...
0
votes
0answers
106 views

Multiple distros: extremely slow window rendering, with whole display blanking momentarily

Symptom When an application window is rewritten due to any change in content, rendering takes an unusually long time (many seconds for what is normally instantaneous), and the entire display goes ...
0
votes
2answers
84 views

Deleting specific display setting created with xrandr

I want to delete a display setting which I set up via xrandr to my Linux Mint distribution. xrandr --rmmode 1368x768_60.00 gives me this error: X Error of failed request: BadAccess (attempt to ...
0
votes
0answers
13 views

Check which screen programs are using

I have a dual screen monitor setup using HDMI-0 and HDMI-1. Similar to Check which display an application is using, but instead of displays, how do I check which program is using HDMI-0 or HDMI-1?
0
votes
1answer
1k views

Debian 10 cannot open display:

I have a Debian 10 system with a desktop environment installed and running. When I open a terminal and try to run any GUI application , such as gedit, from the command line, it fails to open with the ...
0
votes
0answers
14 views

Scale the display only when external monitor is connected

I'm running Pop OS 19.10 and KDE. When I'm using my external monitor I put my laptop to the side of it. In this configuration, it's quite far away so it's harder to read the text. Is there any way I ...
0
votes
0answers
20 views

Xubuntu 18.04 blank display, possible issue with intel graphics card

Recently my very old Acer Aspire E 15 running xubuntu 18.04 started giving me a blank screen on startup. After a few tries I could get it to open a boot menu by hitting F12, and it would start up fine ...
3
votes
1answer
340 views

How to enable 2560x1440 option for display in Linux Mint?

Just got a new display (Samsung LC27JG50QQU, 1440p, 144hz) which is plugged into my AMD Radeon HD 6950 (DVI-D, DVI-I, HDMI 1.4, 2x Mini DisplayPort) graphics card using HDMI. However, it only lets me ...
0
votes
0answers
31 views

How to scale two displays differently and rotate one of them?

I have two screens: 4K, HDMI-0 1680x1050, DVI-1 HDMI-0 is left of DVI-1. DVI-1 is rotated physically 90 degrees clockwise ( --rotate left will make it rotate correctly to fit the physical rotation)....
1
vote
0answers
16 views

Why display is not resuming on key press or mouse activity after screen goes off?

I'm using Xubuntu 18.04 on Intel i3. When the screen goes off, I can't get it on by normal activities like click or a key press. As a temporary fix,I'm pressing CtrlAltF1 which takes me to tty1, then ...
2
votes
1answer
148 views

How detect the DISPLAY used by Xorg, X and XWayland

The process name used to run the Xorg server changed recently on RHEL from X to Xorg and more recently the XWayland came along as the new Wayland server has been introduced. I noticed that on old ...
0
votes
0answers
40 views

How to find out, which screen is HEAD-0, HEAD-1, etc.?

If I want to use the name of my primary screen (HDMI-0, found out via xrandr) within another command, the device is never found. Instead I have to use the name HEAD-0. From what I've already read I ...
3
votes
1answer
130 views

Adjust backlight via DDC?

I'm looking for a simple way of adjusting an external monitor's backlight using DDC. Something like good-ddc-tool --monitor 0 --backlight 100 that just works without complicating things when a single ...
0
votes
1answer
52 views

Prevent the mouse to wake up display (UI Testing)

I'm running some UI automatic testing in which the pointer is moved to perform/simulate user actions, which is executed after some time when the display is OFF. I want to leave the screen OFF while ...
0
votes
1answer
13 views

External monitor works with one user account but not the other

I have an Alienware aw3418dw external monitor and I'm running Pop!_OS 19.04 , along with kde display manager. I have two accounts on this computer, one for personal, one for work. The monitor works ...
0
votes
0answers
29 views

Cursor glitches while typing

I am running Linux Mint 19.2 with Cinnamon 4.2.4. Frequently, my cursor glitches while I am typing. This is not always a problem, but is most noticeable when I am typing quickly. It feels like there ...
0
votes
0answers
91 views

How to set-up Debian for working with HiDPI properly?

I faced resolution problems on all my HiDPI laptops (Dell XPS 13, Lenovo ThinkPad Carbon X1) and have been waiting for the update with the "magic button" or smth else for reconstruct all GUI elements ...
0
votes
0answers
25 views

GNOME: Increase Display Scale Without Lowering Resolution

I have a 1920x1080p laptop display for Debian (Gnome). I want to be able to make the display scale bigger, without lowering the screen resolution. Unfortunately, in Gnome settings, the only scale ...
0
votes
0answers
183 views

VirtualBox 6.0 video adapter for Debian 9 guest

I run a Debian 9.0 guest in VirtualBox (2 CPU, 8 GB RAM). After upgrading to VirtualBox 6.0.12 r133076 (Qt5.6.2) I got a warning on startup about the VBoxVGA graphic adapter being abandoned with VB 6....
2
votes
1answer
56 views

What are Xorg DISPLAY numbers?

Should I imagine it like a TCP/UDP port (per-machine rather than per-user)? Can I connect to an other users DISPLAY? Is it protected somehow? Can I list the currently used DISPLAY numbers for one ...
0
votes
1answer
165 views

display command unable to open x server error

I am running debian v10.0 on a raspberry pi. I have a directory of pictures with jpg, png and jpeg extensions. When I try to use display image.extension on any of them I get the error display-im6.q16:...
0
votes
0answers
154 views

How I can fix “iio-sensor-proxy” detect orientation problem?

I am a Arch Linux user and I have a Laptop that has a built in sensor to detect orientation .and according this sensor the screen will be rotate. but the main problem here is that this sensor detect ...
-3
votes
1answer
614 views

kali linux stuck on gnome display manager [closed]

Everytime I start Kali linux, it boots nominally, until it reaches "[ OK ] Started GNOME Display Manager" where the Konsole gets stuck How to fix ?
2
votes
1answer
64 views

X11 “eyedropper” application to inspect pixel color?

Is there an application I can use to obtain the RGB values of a particular pixel on the screen? I'm thinking something similar to paint programs where you can use an "eyedropper" to sample a color.
0
votes
1answer
36 views

It there any linux system that does not tear or blur on multi display configuration?

I have a problem with screen blurring on one of my displays. Both of them are connected via DP cable. When I'm scrolling text or there is anything moving on that display, there is a visible blur. I ...
1
vote
1answer
54 views

Configure multiple monitors setup without XOrg

Sometimes I need to work with my setup w/o X, so that, for example, xrandr will not be available. Typically, I have a laptop and a bigger monitor attached to it, however, laptop's screen resolution is ...
2
votes
1answer
52 views

Switch display manager to lightdm

I downloaded lightdm for my ubuntu 18 (aarch64), installed it and set it as default. When I type cat /etc/X11/default-display-manager this is the output /usr/sbin/lightdm But desktop is ...
3
votes
1answer
153 views

Input Signal Out of Range

I've installed Arch Linux and Plasma Desktop on one of my old PCs (12yrs or more), it's AMD Phenom II Quad Core, ATI Radeon 3000 and 4 GB RAM. On Samsung SyncMaster S19B150 (max res 1366x768) it works ...
0
votes
0answers
9 views

Black Virtual Bezel

Context: HP 8440P Laptop (NVIDIA GT218M [NVS 3100M]) outfitted with Ubuntu 16.04. When the laptop is screen is closed, I believe the OS is 'suspended'. When reactivated, sometimes the windows will ...
0
votes
0answers
7 views

Increase resolution beyond native for one monitor in a dual monitor setup

Currently running Ubuntu 18.04 with a dual monitor setup. One is at 1280*720, other is 1920*1080. Is there a way to get both monitors at 1920*1080 the output of xrandr is Screen 0: minimum 320 x ...
1
vote
0answers
31 views

Cannot run GameMaker Studio 2 .sh file on Banana Pi M1 board

I'm having problems running a game I made in GameMaker Studio 2 on a Banana Pi M1 board using Armbian. I've done: Installed Armbian Bionic 18.04.02 (Ubuntu-based) on a Banana Pi M1 board. Installed ...
0
votes
0answers
99 views

Can't resume after suspension/hibernation/display off that xfce power manager performs automatically

I'm having trouble resuming from both suspension and hibernation that the xfce power manager performs automatically. I mean, for instance, I set up my pc to hibernate when the battery reaches the ...
1
vote
0answers
21 views

the easiest way to see a grid of many workspaces on the large screen

I have Mint/ubuntu and screen of 4K. is an extension to turn on 4 workspaces to be visible at once? alternatively any tool, which supports grid layout for ubuntu For example: windows are pinned/...
0
votes
0answers
40 views

imac with second Apple screen on Ubuntu 18.04

After 2 weeks testing and failing to find a solution I decided to ask help. I'll summarize my situation. imac 27" (from 2014) + Thunderbolt display 27" + Linux It was working perfectly when I was ...
-1
votes
1answer
111 views

Connect Pop OS to TV using Miracast

I have been trying to find a way to connect my Pop!_OS to my TV using Miracast for quite some time. Tried to set up Miracast for straight 2 days but was unable to get it to work. I'm kind of ...
1
vote
1answer
205 views

Unknown display + no sound on upgrading kernel to 4.18 (Ubuntu 18.04)

I am running a Dell Optiplex 7060 with Ubuntu 18.04 (dual-booted with Windows). The system only has Intel's iGPU (UHD Graphics 630) to which I have two monitors connected, and it uses the Realtek ...