Questions tagged [display]
Questions related to hardware displays, either internal (as in a laptop) or external (as in most desktop monitors, or projectors)
3,862
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trouble sizing my 2nd display properly
im using Ubuntu20.04 on my dell precision 5510, i7 6820HQ,Nvidia Quadro M1000M. this PC has the 4k Touchscreen (not sure if that matters).
I dual boot between windows 10 and Ubuntu. when using windows ...
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Drop down menus appear on different monitor and xrandr output looks very weird
I've encountered a strange bug recently. Whenever I open up these drop down menus (see image), the menu appears on my secondary monitor. It also happens for every right click context menu. This ...
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Problem with USB-C Monitor Blinking in Ubuntu 18.04
I have an Ubuntu 18.04 fresh install in my hp laptop.
I have an usb-c hp monitor connected to it and another monitor connected with an HDMI cable.
Both monitors "seems" to work, but the usb-...
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Can not display this video mode optimum resolution 1024x768 60Hz - error on boot
I have been facing this since I changed my monitor from a CRT to LCD.
Ubuntu version: Ubuntu 9.04 kernel 2.6.28-11-generic
This is quite old machine, I am trying to access it after years - then I ...
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1
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0
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Ubuntu 18.04 jumps to single display mode on opening terminal
Every time I'm open regular terminal or open bash inside VCode or inside any other programs that are using/opening regular terminal - I'm loosing secondary display connection and staying with single ...
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The screen is black using latest VNCview 6.21.118 X64(Jan 14 2021) to connect build server Ubuntu
The screen is black with only "trash" and "documents" using latest VNCview 6.21.118 X64(Jan 14 2021) to connect build server Ubuntu 16 Dev Server on MacBook Pro.
I used the line ...
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1
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89
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Ubuntu screen scaling affecting unmodified monitors too
I have 4 monitors, the left one is 4k, while the other 3 are 1080p. The problem I am having is that if I have the 1080p monitors on normal scaling, the 4k monitor is basically unusable because ...
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455
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X display, Ubuntu server
I have Ubuntu server installed on a Raspberry Pi. I need to run chromium on it, but I keep getting this error message:
Error: Failed to launch the browser process!
Unable to open X display.
How can ...
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0
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1
answer
1k
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Black screen with Solid Underscore in top left corner of screen Ubuntu 20.04.2 Server
I have a Dell PowerEdge 1950 1U server, and I have been using Ubuntu for quite some time now. A couple of months ago, I noticed that the monitor that's connected to the server no longer displayed a ...
2
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136
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I want my screen setup back
I have a laptop with docking & 3 screens. It's Ubuntu 20.10 and it's a fresh install from October. The screens have been set up at one time via the Settings->Screen Display and were working ...
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1
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1k
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App window opening half in the monitor
Using Ubuntu 20.04 on a three-monitor display (Left-1440x900, Centre-1920x1080, Right-1440x900).
After a fresh install, I opened the System Monitor app and it appeared in the left monitor with the top ...
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0
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Nvidia FX 5500 UNCLAIMED in Xubuntu 18.04
I have a pretty old system (HP t617m with pentium 4 2.6 ghz) that Im trying to revive using Xubuntu 18.04 32-bit. In order to do so, I bought recently a Nvidia FX 5500 PCI (I have no AGP ports), which ...
23
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4
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External monitor randomly goes black on Ubuntu 20.04 LTS
I have a really irritating issue where my external monitors randomly goes black for a few seconds and then returns. This happens every other minute, but sometimes i can sit for 30 minutes before it ...
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Ubuntu 16.04 Toshiba Protege - Unable to mirror screen onto ASUS monitor
I have just bought an ASUS PA278QV monitor. Since I have to spend long hours in front of a computer, I wanted to connect my laptop (TOSHIBA PORTEGE Z930-148), which has Ubuntu 16.04, to the monitor. I ...
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136
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HDMI not deteched on Ubuntu 20.04
I am having trouble to get the HDMI port to work in order to connect a second monitor on my laptop.
I have a Lenovo Thinkpad.
$xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x ...
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0
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200
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How to change screen aspect ratio from bash?
So I have Ubuntu installed on a motherboard, which I connect to, two different displays back and forth. It's a little painful to manually change the settings every time, so I want to write a bash ...
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X no longer starts on successful login on Ubuntu 18.04? Successful login returns back to login screen (Login Loop)
Today I was in a Zoom call, my mic stopped working so I rebooted my computer (sudo shutdown -r after I previously had not rebooted my computer for 7 days), and then after that looks like X no longer ...
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1
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372
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X11 apps (specifically xman) on a large 4K TV are tiny -- how does one upscale x11 apps? OR Have any recommendations for a man page GUI?[Ubuntu 20.04]
OS: Ubuntu 20.04
Display: 4096 × 2160 on a 4K TV
Display Settings: Use interface scaling: Double (Hi-DPI)
Howdy friends. I am rocking a 65-inch (165cm) TV as a monitor at 4K resolution on Ubuntu 20....
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1
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2
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764
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Refresh rate not working on login screen
The problem
When I boot Ubuntu, the purple login screen is extremely pixelated. Once I log in, the display is perfectly fine.
Background
My system uses an old graphics card, a NVIDIA 8800 GT. When I ...
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3k
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Gnome Settings not showing all available Display Resolutions
EDIT:
Now all resolutions are available.
I am not aware of what did I do to change this...
Using Ubuntu 20.04 in my Lenovo Thinkpad P52.
I added custom screen resolution modes with xrandr, and made ...
0
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1
answer
732
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Problem with wrongly displayed accented letters
I'm using Kubuntu 20.04 and I'm having problems with the display of accented letters and some other special characters.
In particular french accented letters are displayed as Cyrillic characters
and ...
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141
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ubuntu connects two monitors only one displays in a strange way
I connected two monitors to dual graphics cards, only one can display, the other detects the connection but the screen is black. And the one shown became like this.It seems that the mouse can push the ...
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1
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0
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229
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How to always use external monitor
When I plugin my external monitor through HDMI, I can switch to "External Only" by pressing win+P. But when I logout & login the system, it reverts back to using both laptop & ...
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1
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1
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Xubuntu20.10: second monitor (TV), hdmi, detected & connected by PC, but picture input only detected by TV when mirrored - linux & windows
Having bought a new motherboard & CPU, I did a clean install of xubuntu 20.10 yesterday which fixed a number of small bugs but has caused a strange one: My second display is an LG TV connected by ...
- 1,211
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1
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39
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Disconnected + Reconnected Hub, now an external monitor isn't being detected
I frequently have this issue where I disconnect + reconnect my hub and upon reconnecting Ubuntu fails to recognize one of my external monitors (of two). Reconnecting the monitors doesn't help. I ...
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1
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47
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Desktop flicker and not responsive, reduced resolution is OK
I run Ubuntu 20.04 for quite a while on a Intel CPU with integrated graphics on a Monitor with fullHD ( resolution to 1920x1080). Recently the desktop became unresponsive (sometimes turns black). ...
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0
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1
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188
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Limited display resolution selection with NVidia gpu & drivers
I've got an Ubuntu 20.04 workstation, featuring an NVidia RTX2080 gpu, and connected to a widescreen with a native resolution of 3440x1440.
For basic needs, the display works fine : by default, it's ...
- 274
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1
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1k
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Can't set the native resolution for an external VGA 1080p monitor with xrandr or settings
I have a fresh install of Ubuntu 20.04.1 LTS and I can't set the external 1920x1080p monitor connect by a VGA cable to its native resolution. By default on boot its set to 1024x768p and from settings ...
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0
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424
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3rd monitor not detected but system "reacts" when it gets plugged in
I recently tried adding a 3rd monitor to my machine (Ubuntu 20.04.1 LTS).
Right now my setup is two monitors: my laptop's built-in one (1080p) and an external 4k monitor on thunderbolt. It is set in ...
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0
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0
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409
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Using Ubuntu as second display wirelessly
I have two ubuntu-running systems:
PC: Kubuntu 20.04
Laptop: Xubuntu 20.04
The thing is my laptop is not good for doing daily stuff but, it has a great display which I like to use it as a second ...
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2
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0
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293
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How to undo xrandr settings?
I had split my screen into two using this:
xrandr --setmonitor HDMI-0~1 960/254x1080/286+0+0 HDMI-0
xrandr --setmonitor HDMI-0~2 960/254x1080/286+960+0 none
xrandr --fb 1921x1080
xrandr --fb 1920x1080
...
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1
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1
answer
943
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Method for screen sharing of one window only
Back in 2019 I was using a chromecast feature available only (I believe) to linux users that allowed me to screen share just one application to a chromecast device. This solved a huge problem for me ...
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3
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2
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11k
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Connect a Windows laptop as a display
I have an Ubuntu laptop, but its screen is very small. Can I use the laptop screen from my Windows-10 laptop as a wireless / wired (HDMI) display? I found some documentation to allow my Windows laptop ...
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2
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1
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8k
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Update refresh rate on Ubuntu 20.04
How can I update my monitor refresh rate from 60Hz to 75Hz on Ubuntu 20.04. I'm having Samsung S24R350 75Hz display connecting to Intel UHD Graphics 630 on i5-10400 using VGA port. Running xrandr --...
- 541
4
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0
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273
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display scaling keeps reverting
I am running ubuntu 20.04 on a virtual machine and whenever I resume my host computer from sleep the display scaling factor gets reset to 100% (I want it at 200%)
there's an old similar question ...
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0
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120
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GNOME desktop manager no longer opening, drop to console login screen
I'm running ubuntu 18.04 on a Dell 5540. Everything was working fine until I rebooted a couple of days ago and was dumped into a console login screen. Looking at the current syslog I find ...
- 1,529
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1
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343
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Reorganize displays for lockscreen
[Ubuntu 20.04]
I have 3 monitors, Each side by side.
The issue is, during normal (while logged in) my main monitor, is of course the one in the middle.
But at the lock screen, the displays are ...
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1
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1
answer
266
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Screen resolution reduced on Ubuntu Guest in Virtualbox with Guest Additions already installed
I have been using Ubuntu 18.04 on Virtualbox 6.1 on a Windows 10 host for months now. I installed Guest Additions on initial install, and everything was fine, including screen resolution scaling up. ...
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1
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0
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45
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How to save monitor on the left in extended screen mode?
Generally, I switch from single screen to extended screen mode. However, every time I switch to extended, I need to change the position of the monitor "1" (my note) to the left (the default ...
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1
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138
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hdmi no signal, except with hdd/ssd unplugged and booting on live distribution
First of all I'm sorry for misspelling : I'm a non-native english speaker and I use a somewhat broken keyboard.
I use kubuntu 20.10. The computer was brand new a few weeks ago and worked perfectly. I ...
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1
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1
answer
624
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Virtualbox Ubuntu 20 wont achieve max resolution
Summary: I'd like to set the resolution of my Ubuntu box to 2560x1440 (the resolution of my screen) but the highest that it will go is 1920x1440.
Currently, I tried following this set of instructions: ...
1
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1
answer
158
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Extend Ubuntu screen on other Ubuntu machine
I have a ubuntu laptop and a ubuntu pc. I want to wirelessly connect them in such a way that I can use my PC's monitor whenever I want as an extended display for my laptop.
Is there any way to do so?
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1
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731
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Help configuring display settings: Ubuntu 20.04 and old (of course) desktop w/NVIDIA GeForce 7050 graphics card
I recently loaded Ubuntu 20.04 onto a new 1TB hard drive in an old eMachines desktop computer.
Info:
NVIDIA GeForce 7050 Integrated graphics card
VGA port on desktop; no other display ports
Acer 20” ...
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1
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1
answer
69
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Cannot use any app, Display error, Error in graphic card defination
I have just installed Ubuntu 20.04LTS on my laptop and I face this problem:
After log into my user as "Ubuntu System" I can only see desktop and if I tried to open any app or do any action ...
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1
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0
answers
580
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Screen does not blank completely in powersave
On my Dell XPS 13 with Ubuntu 20.04, using the default Gnome shell, I've set the "Blank screen" timeout to 5 minutes. However, the screen does not blank completely, but still shows a black ...
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514
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How to approach debug and fix of graphics system failure after update (nvidia340 driver, 20.04)
Last night I allowed one of my laptops to do a reboot after an update, and the graphics system failed such that I never get a graphical login screen. Login still worked on the text consoles, however, ...
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1
answer
1k
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Monitor/display power saving no longer working after 20.04.1 LTS update
I have just upgraded from 18.04.5 LTS to 20.04.1 LTS and appear to have lost the ability to blank the screen/monitor despite it working fine previously. I am using the 'Ubuntu' desktop environment and ...
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1
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Screen auto-rotation not working in Ubuntu 20.10 with GNOME 3.38.1
I have a 2-in-1 laptop that I sometimes use in tablet mode. However when I physically rotate the device, the display orientation stays them same. How can I get it to auto-rotate?
EDIT: An update fixed ...
1
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0
answers
82
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Flip a seconday display horizontally - and make it permanent
I have flipped a secondary display horizontally, since it is going to be used on a teleprompter.
Used xrandr -x to achieve this.
Now, I would like to store this, so next time I boot up / reboot, this ...
0
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0
answers
183
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Screen resolution problems
I've been fixing some old laptops for donations to poor students and been installing Ubuntu in all of them because they are very obsolete (stuff from 2010 and behind). Recently, I got two laptops that ...
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