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So I have a 34 inch 3440x1440 and a 28 inch 3840x2160 monitor side by side. All apps look tiny on the 4k monitor. My only solution so far has been to increase the zoom level on applications that allow that but it has been a real pain when moving windows from one monitor to another and usually the overall gui is still tiny. Is there any way to scale only the 4k monitor to a reasonable dpi without fuzziness? I am preferably looking for mac like scaling where you can set a more space/larger text but with sharp text

I am on Ubuntu 16.0.4 running on an Nvidia 980 Ti graphics card

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Avi Mosseri
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2 Answers2

8

You don't provide any information about your hardware, used drivers and the distribution you use. So it is a bit like catching a black cat at night-time.

Try to play around with the xrandr-command. Here an example (terminal-output):

mook@MookPC:~$ xrandr
Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767
VGA1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 410mm x 230mm
   1366x768      59.79*+
   1024x768      75.08    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32    56.25  
   640x480       75.00    72.81    66.67    60.00  
   720x400       70.08  
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
mook@MookPC:~$ xrandr --output VGA1 --scale 0.9x0.9
mook@MookPC:~$ xrandr --output VGA1 --scale 1x1

xrandr without options will display a list of your monitors, so you know their names. Adapt the other commands to fit your needs. Try different scale-factors (should be lower than 1) until you are satisfied.

If evereything works fine you may add the tuned command-line to the end of ~/.profile, so the command will be executed whenever you login.

mook765
  • 18,644
7

My monitors are only 1920x1080: a 17" laptop and a 50" TV. The smaller laptop sits four feet away and I need to increase the size of everything to see it better.

Go into System Settings -> Screen Display

On the Scale for menus and title bar, I set to 1.5 on 17" Laptop screen but leave at 1.0 for TV. I'm not sure if this will work for you...

Screen Scaling

Edit 1 - Increase overall DPI scaling

The deafult DPI in X is 96 Dots per inch. This can appear very tiny on my 17" laptop screen with a resolution of 1920 x 1080. You need to stick your face 6 inches from the screen to read the screen for the Kids3 application for example:

Kids3 96DPI

To solve this (in my case), use:

xrandr --dpi 168

Then reopen the application:

Kids3 168DPI

This is a manual method. You can make it permament but you can have X calculate the DPI by passing it your resolution and screen size in the Xorg configuration file:

Section "Monitor"
    Identifier             "Monitor0"
    DisplaySize             286 179    # In millimeters
EndSection

I haven't played with this yet.

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WinEunuuchs2Unix
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