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Tag : hdpi  
Link: 🔍 See Original Answer on Ask Ubuntu 🔗

Title: Is there any Ubuntu flavor that handles HiDPI consistently?
ID: /2016/11/12/Is-there-any-Ubuntu-flavor-that-handles-HiDPI-consistently_
Created: November 12, 2016    Edited:  November 12, 2016
Upload: November 24, 2022    Layout:  post
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The Problem

This is the strangest answer I’ve written. When upgrading to Ubuntu 16.04 I had to set scaling factor to 1.4 on this screen:

Screen Scaling

I know it says 1.5 but 1.4 worked better and I had also tried 1.25.

Next I had to go into Google Chrome and set “Large Font” in the settings. Alternatively I had tried setting zoom factor to 110% and 125%.

The Solution

I fixed this by acccident using Ctrl+Alt+F5, logging into the console and typing startx. Then using Ctrl+Alt+F1, logging into to console and typing sudo reboot.

Upon signing in all the icons and menu lines were super enlarged and I reset monitor scaling (in picture above) to 1.0. I then had to change Google-Chrome font size from “large” to “normal”.

The Explanation

I wouldn’t believe this solution myself unless it happened to me.

I then discovered the command xrandr --listmonitors which shows:

$ xrandr --listmonitors
Monitors: 2
 0: +*LVDS1 1920/382x1080/215+0+1080  LVDS1
 1: +HDMI1 1920/1107x1080/623+0+0  HDMI1

Notice the screen size 382x215 millimeters for the 17” laptop display (LVDS1) and 1107x623 millimeters for the 50” TV. This plays an important role in the new DPI scaling I’m benefiting from, but I don’t have the experience to explain it academically.

So yes it’s an incredulous answer and I wouldn’t believe it had it not happened to me. I believe there must be a better method such as reconfiguring X, perhaps by deleting a configuration file so it’s automatically rebuilt but, I don’t know that shorter solution.

The Proof

The end result is what is important:

Screen no scaling

⇧ Newly Added Plymouth Theme Not Showing Up During Boot Intel SkyLake Blank Screen on Ubuntu 16.10  ⇩