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Questions tagged [display]

Questions related to hardware displays, either internal (as in a laptop) or external (as in most desktop monitors, or projectors)

3795 questions
184
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12 answers

Enable fractional scaling for Ubuntu 18.04

I recently installed Ubuntu 18.04 and discovered that the fractional scaling option that was in 16.04 is no longer there. 200% is too big for my display, and this answer didn't work for me (the options didn't change after running the command). Is…
Mitch
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175
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12 answers

Is it possible to have different DPI configurations for two different screens?

I'm using Ubuntu 12.04.3 with NVidia drivers (319) for my Quadro K2100M graphic card, and when I switch my main 3200x1800 laptop screen to mode 1920x1080 (using nvidia-settings), the display goes blurry... I am using two screens: My main screen is…
Anthony O.
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116
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11 answers

Turn off monitor using command line

I am runnning Ubuntu Server on my laptop. There is really no reason for the screen to be on. I have been trying to use this command to turn the screen off: sleep 1 && xset dpms force off The problem is I get the following error unable to open…
AngryBird
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90
votes
6 answers

Ubuntu as Miracast Sender/receiver

I couldn't find anything about Ubuntu acting as a Miracast receiver or sender. Can it work at all? Are there hardware prerequisites? Is WiFi a requirement or can it work over LAN or another kind of network connection? WiFi direct seems to be a…
TiloBunt
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90
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5 answers

Different display scale settings - 18.04

I have a Dell monitor set to a scale of 200%: I then set the laptop built-in display to 100%: However, if I then switch back to the Dell monitor settings, the scale there has reverted to 100%. Is there a way to have 200% scale on the Dell monitor…
dharmatech
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68
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6 answers

Is it possible to have f.lux (software that adjusts display's color temperature) on Ubuntu 14.04?

f.lux is software which adjusts temperature of your display according to time of the day. Is it possible to make f.lux work in Ubuntu 14.04? If so, maybe you can share your knowledge or point me to a guide.
Marius
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63
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2 answers

Reporting: I can't open settings in ubuntu 20.04 LTS

I am a regular user of Ubuntu. I recently moved on from Ubuntu 19 for 20.04 LTS, but after the upgrade the settings are not opening. Besides the settings, the display settings and change background option are also not working.
Sayan Dutta
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61
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6 answers

How can I rotate my display in the most easy way?

I am the lucky owner of a pivot monitor, which screen can be rotated (physically). What is the easiest way to make my display turn when I turn my monitor? For the moment I first launch the 'Displays' app, and then change the settings and confirm.…
Agmenor
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59
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2 answers

How to add display resolution for an LCD in Ubuntu 12.04? xrandr problem

I am new to Ubuntu. I have installed Ubuntu 12.04 and am stuck trying to set up the correct resolution for my LCD display. The native resolution for the LCD is 1920x1080 here is the output from xrandr: $ xrandr Screen 0: minimum 320 x 200, current…
SeregaI
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57
votes
6 answers

Ubuntu 17.10 secondary display issue, missing menubar, launcher and bar on top of the screen displays date time and network status missing

Installed Ubuntu 17.10 today, menubar, launcher and the bar which indicates time/date/network connection status are missing. I am using the secondary display and connecting the laptop to the secondary. Even without the secondary display, the top bar…
user3227126
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56
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3 answers

Samsung TV "Mirror Screen"

I would like to show the screen of my Ubuntu laptop on a Samsung TV. The TV has a menu entry called "mirror screen". But up to now I found no way to get it working. I need a wireless way to us the TV as monitor. Any hints? Exact hardware version:…
guettli
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50
votes
11 answers

Is there a software utility to adjust screen gamma/brightness/contrast?

I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to be darker. Can I do this a software way instead…
Ivan
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46
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12 answers

How do I fix overscan on my HDMI HDTV?

I've connected a HDTV with HDMI on my Radeon 4670, using the open source ati driver. However there is "overscan" which cuts off a bit of each edge of the screen, about the size of the gnome-panel. How can I fix this so it displays the full…
Hew
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44
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8 answers

How do you change brightness, color and sharpness from command line?

I am controlling my PC with SSH and scripting. How can i change the brightness, color and sharpness from command line? Try 1: failed $ sudo redshift -t 5000:5000 -g .5 Cannot list GNOME panel applets. Initialization of gnome-clock failed. Trying…
user25165
44
votes
2 answers

How do I rotate my display when not using an X Server?

I have a widescreen monitor that rotates. I'm trying to use it in 'landscape' mode (vertical). This is easy in the GUI. How do I rotate my display when I am not running an X Server or when I am viewing a Virtual Console / Terminal.
Kurtis
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