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

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xrandr (1.5.0) artifacting in i3wm (4.16.1) after upgrading Arch Linux

Bit of an unusual issue. I just updated Arch Linux, but I hadn't rebooted in a quite awhile so it might not have even been a recent updgrade. I'm getting some weird artifacting at the bottom of my ...
ToffeeYogurtPots's user avatar
1 vote
0 answers
405 views

Send to USB attached touch screen monitor with xrandr

I have a project which involves buying a 5'' inch USB Touch Screen (from Raspberry Pi) to create an "info" screen: to control brightness, volume, current music, open shortcuts, etc... I have the ...
Ric Subtil's user avatar
0 votes
0 answers
559 views

Change position on the graph screen gnuplot in bash script

i have a script in bash that read the file Throughputtx.txt and print this information in a graph of GNUPLOT, but this graph goes to the left side of my screen and I want it to be printed in the ...
Andres Andrade's user avatar
3 votes
0 answers
754 views

Monitor not waking up on start

I have two monitors (both are Dell u2515); they are connected to the motherboard by a daisy-chain cable, both DP 1.2, but I cannot get both of my monitors to wake up on start. The mointor connected ...
Deeps's user avatar
  • 31
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1 answer
384 views

How to distinguish attached monitors?

To automatically change the display layout of the Xserver when I dock my laptop I need not only detect that this event actually happened but also which monitors are connected to be able to distinguish ...
stefanct's user avatar
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107 views

Display blacking out on boot (Macbook Linux)

(Please note that I am breaking this out as a separate question from this one I asked earlier: How exactly do the Linux display device files work?) I have a Linux From Scratch system that I've built (...
Time4Tea's user avatar
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2 votes
0 answers
355 views

How exactly do the Linux display device files work? [closed]

I don't really understand how the Linux display device files work and interact together. What files in the /dev tree need to go where and where do they need to connect/point to, in order to show a ...
Time4Tea's user avatar
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-1 votes
1 answer
709 views

Kali linux installation graphics messed up [duplicate]

I made a Kali linux installation medium using rufus, and live works only in forensic mode. And all other modes like install isn't working. It has to be UEFI: And his happens. I tried DD and iso, ...
Mark's user avatar
  • 109
3 votes
2 answers
2k views

Linux Mint screen too big

I use Linux Mint. I did something and now my screen is too big and it moves as I move the mouse. How can I resize the screen such that it returns to the original size where everything fits onto the ...
guest's user avatar
  • 41
0 votes
0 answers
410 views

Display keeps blacking out (i915)

I am experiencing a very annoying display problem on my laptop, which I am struggling to troubleshoot: The display is frequently blacking out. When it does this, the system keeps running in the ...
Time4Tea's user avatar
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1 vote
0 answers
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Reduce used display size for both X server and console

I have the situation that I have a LCD display that I would like to use but I want to have a "black unused frame" around the displayed content. Is there a kernel setting which controls the used ...
freistil90's user avatar
7 votes
3 answers
15k views

How to enable the full screen mode for Kali Linux on Hyper-V virtual machine

I have successfully installed Kali Linux on Hyper-V. The problem is that the OS doesn't take the whole screen. It takes only part of it. How to make Kali Linux run on full screen (physical)?
Atanas Bobev's user avatar
1 vote
1 answer
1k views

Deepin Linux: Onboard HDMI not working (shows only on boot/shutdown)

I have a Dell XPS desktop with Deepin Linux where the onboard HDMI doesn't work (no signal). Based on the Ubuntu collected from Ubuntu, Deeping is not identifying some HDMI ports (uname/xrandr/lshw ...
Emerson Soares's user avatar
1 vote
1 answer
703 views

Laptop monitor as a server's display

I have connected my server through displayport-VGA cabel to my laptop but my Ubuntu 14 on laptop recognizes it as a view destination, not a view source. How can I revert it and get view from a ...
Michal_Szulc's user avatar
1 vote
4 answers
4k views

Run X program in another user's display

Running Ubuntu 16.04 in host, I have the following setup: a user1, who performed a GUI login in host; a user2, who is a sudoer and is logged in only through a text ssh connection (ssh user2@host). I ...
BowPark's user avatar
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0 votes
1 answer
338 views

Display colours look dry and less vibrant with default applications.

My display looks very drab and less vibrant when images are viewed with the default applications (Image Viewer, in this case). And even in Chrome (which is also my default browser), the colours look ...
Ramana's user avatar
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1 vote
1 answer
327 views

Thinkpad x61 with Mint 19.1 connecting to TV but NOT to projector

I have a Thinkpad x61 that I plan on using to teach at university. It comes with a tablet screen and stylus. When using Xournal, it allows me to write notes and create narrations very effectively! ...
dearN's user avatar
  • 131
4 votes
0 answers
1k views

Wrong screen resolution sometimes after sleep, with Ubuntu

After my Lenovo T480s connected to a Benq 4k display wakes from sleep, my resolution goes to 1080p, unplugging and plugging the display back in resets it to 4k. (This doesn't always happen, but I find ...
jjmirks's user avatar
  • 141
1 vote
1 answer
2k views

No signal on monitor if no device is attached to HDMI port during boot

I have a very strange issue. At the moment in which udev is loaded (during boot), the video signal is lost on the display if the HDMI port has no screen attached to it (the display is connected to a ...
calvofl0's user avatar
2 votes
2 answers
6k views

Linux Service Cannot Open Display

On my Odroid running Ubuntu 16.04.3 LTS I have a python2 program that interacts with a display device (projector). When I run this program from the command line: python ~/imgProc/torcam.py ...
cce1911's user avatar
  • 165
0 votes
1 answer
339 views

GUI application won't start in Konsole, opened in x2go session

I'm using x2go server on my work laptop and pyhoca-gui on my home laptop. I open an LXDE session and start Konsole. Every app I try to run in Konsole fails to open the display. How do I fix this?
rominf's user avatar
  • 517
1 vote
0 answers
703 views

USB-C AlternateMode not working even after upgrading kernel to 4.19

I have been trying to use an external display with my hp-envy-13 running ubuntu 18.04 for a while now. I was expecting that kernel 4.19 would have the support but it still does not seem to work. The ...
Anmol's user avatar
  • 11
1 vote
1 answer
2k views

USB-C to DisplayPort Adaper still not recognised in Linux kernel 4.19

I use Ubuntu 18.04 and upgraded to Linux kernel mainline 4.19.2 with ukuu, which purportedly supports DisplayPort alternate mode for USB-C. alex@gta-65:~$ uname -a Linux gta-65 4.19.2-041902-generic #...
Alex van Vucht's user avatar
0 votes
1 answer
2k views

How can I prevent a desktop monitor screen from going to sleep when inactive on CentOs 7 Linux?

How can I stop my monitor screen from going to sleep on CentOS 7 Desktop (X Windows) due to inactivity?
Willie Cheng's user avatar
1 vote
1 answer
1k views

How do I detect when a monitor is plugged in or unplugged without acpi, xrandr, /sys and udev?

I've read the answers to this question but I don't have ACPI, the /sys/class/drm/card0-socket/status method does not work and the xrandr method chokes my CPU. udevadm monitor shows nothing when (un)...
White_Rabbit's user avatar
2 votes
0 answers
1k views

color filter in linux display stack

is it possible to change the displayed color in a monitor, either in its open-source driver, or other middleware in the display stack of a linux system? i came across this question because i visited ...
Cyker's user avatar
  • 4,274
1 vote
1 answer
792 views

Am I using Nvidia driver on my Optimus laptop?

I am using Debian Stretch (9.5) and sudo lspci -nn | egrep -i "3d|display|vga" returns: 00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 520 [8086:1916] (rev 07) 06:00.0 3D ...
Tapas Bose's user avatar
0 votes
1 answer
2k views

Xvfb: export display permanently

I have recently set up Xvfb on Centos 7 machine. It is working absolutely fine. Only problem is that if I quit putty session (remote access) it would keep running Xvfb in background but display ...
Aditi Apte's user avatar
2 votes
1 answer
2k views

Reduce size of my screen with a command line

I am running a Debian stable with Cinnamon graphical interface 3.6.7 and my computer is connected to a multimedia projector. I havea an Intel Graphic card. The projected image is too big and I can't ...
Smilia's user avatar
  • 310
3 votes
1 answer
369 views

How to remove *all* green and blue light: xcalib and redshift seem not to?

I'd like to have a redshift-style effect on my laptop screen but where I truly remove all green and blue light, leaving only red. I've experimented with redshift, which doesn't seem to take it all ...
justme's user avatar
  • 133
2 votes
0 answers
207 views

How to get a black screen from boot, until a script ask to turn on display?

For a "Smart Mirror" I made, I'd like to hide the boot process because this is ugly. I use Debian and XFCE (I can use another DM in place of XFCE). Ideally the screen remain blank until the apps ...
Gregory MOUSSAT's user avatar
0 votes
2 answers
3k views

Can the screen size of an X11 window be set higher than the monitor's resolution and the view panned around the larger display?

My laptop has screen resolution of 1366x768 but I want to create an X display with a higher resolution and scroll around it. It was possible in Windows where the drivers and the graphics card allowed ...
vfclists's user avatar
  • 7,531
0 votes
1 answer
54 views

Is there a command to show whether my laptop graphics card (Intel) can support multiple monitors?

I'm wondering if there is a way to show whether my laptop can support two monitors. I have a laptop with Intel 2nd Generation Core Processor Family Integrated Graphics Controller running on a Lenovo ...
HaoQi Li's user avatar
  • 133
8 votes
2 answers
3k views

Xrandr problem trying to avoid broken display

Days ago I broke my laptop display by accident, the right side of the screen is damaged, but the most part of the left side is usable. I did some research trying to find a way to modify the dimension ...
Daniel's user avatar
  • 93
0 votes
4 answers
6k views

Cannot open xterm as another user : Xt error: Can't open display: :0

I'm trying to open an xterm as another user : $ su - michel $ xterm No protocol specified xterm: Xt error: Can't open display: :0 $ exit $ sudo su - michel $ xterm No protocol specified xterm: Xt ...
SebMa's user avatar
  • 2,179
9 votes
1 answer
493 views

Timeout to keep or reset settings when configuring displays

I'm using Ubuntu 18.04 on my Lenovo W540, and I want to connect three external displays to it through the "Ultra Dock" docking station, and not use the build-in display. According to the manual one ...
Christian's user avatar
  • 191
2 votes
1 answer
2k views

mapping linux /dev/fb0 to DDR for displaying

I want to write a linux driver which maps my specified memory address space to /dev/fb0. the driver should be specified by what part of linux? drm or frame buffer or server X or somthing else? Which ...
Mojtaba Ahmadi's user avatar
0 votes
2 answers
2k views

What does "DP" device stand for?

I'm trying to list the connected monitors using xrandr that is returning the following information: Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192 eDP-1 connected primary ...
user6039980's user avatar
1 vote
0 answers
464 views

Display Settings won't save: XRandR2 problem

I'm running SparkyLinux v5 Nibiru (Gameover Edition) on a Toshiba Laptop I attached the HDMI port to an Insignia television. When I tried to modify the settings, it gave me the following error: ...
Adam Gluntz's user avatar
3 votes
1 answer
198 views

bios, bootloader, kernel startup & screen driver

I'm trying to setup as touchscreen for a raspberry pi. My screen only displayed a white screen when kernel started. So I wondered how boot messages are displayed on my screen during startup. Bios, ...
rem's user avatar
  • 293
7 votes
2 answers
11k views

Force monitor detection, low level

My external monitor (dell) is not detected on my Asus Laptop if I switch it on only after I booted the laptop. The case similar to How to make linux detect/re-probe monitors with intel i915 driver?, ...
Harald's user avatar
  • 898
2 votes
1 answer
323 views

Google Chrome flickers on Cinnamon, but not on Xfce

I am experiencing some flickering problems with Google Chrome (and Chromium, but not on Firefox) on certain websites. The thing is that the flickering manifests only on Cinnamon desktop environment, ...
Alexandru Dinu's user avatar
6 votes
1 answer
1k views

Due to a broken monitor, I need move my screen to the left

A fraction of the right side of my laptop screen is broken, in order to use only the good part the resolution needs to be about 1280x1024, aligned to the left. A simple xrandr -s 1274x1080 will get ...
Alfredo Enrione's user avatar
1 vote
1 answer
146 views

HDMI output broken after Antergos install

After installing Antergos with KDE everything is working fine (as far as I can tell) except my HDMI monitor doesn't work. Instead of rendering anything properly it displays whatever the first image ...
Blimmo's user avatar
  • 111
1 vote
0 answers
299 views

Linux Mint 18.3 upgraded to 19 - Screen now distorts with open-vm-tools-desktop

Except this singular issue, everything works wonderfully. I already tried apt-get purge open-vm-tools open-vm-tools-desktop but it didn't help. This is what I'm seeing after upgrading. The Y ...
Slbox's user avatar
  • 261
4 votes
0 answers
524 views

How to open child windows on same display as cursor in Gnome?

I'm doing a bunch of work in Pure Data on Ubuntu 18.04 & Gnome 3.28 with a dual-monitor setup in which the secondary monitor is to the left of the primary. Working in Pure Data involves frequently ...
dave's user avatar
  • 41
4 votes
1 answer
1k views

How to disable bottom part of the screen with xrandr

I have tried to use xrandr to resize the screen so only the good parts of the LCD panel are used, but the problem is that I can only blackout/disable the top part of the screen, not the bottom part ...
JJ Yong's user avatar
  • 41
3 votes
0 answers
811 views

KDE - Monitor doesn't go into power save mode

I'm having intermittent issues with KDE not going into powersave, ie: turning the monitor off and suspending the system. In MENU / ENERGY SAVING I've set kde to turn monitor off after ten minutes, ...
aSystemOverload's user avatar
1 vote
0 answers
523 views

Calling xrdb from a remote server to load Xresources files

I have a simple startup script that I want my remote desktop manager (Exceed onDemand) to launch in order to start the i3 window manager on a remote machine. Here is the script (called i3start), it ...
tomocafe's user avatar
  • 121
1 vote
0 answers
256 views

bindsym/xbacklight inconsistent inc/dec values

I'm using xbacklight to increment and decrement by 10% and run the comment using my keyboard function keys (Arch Linux, i3-wm): bindsym XF86MonBrightnessDown exec --no-startup-id xbacklight -dec 10 ...
ritchie888's user avatar

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