Magnified screen to 200%. Now stuck. Taskbar offscreen. Haven’t been able to get back to 100%.
You can try to open a terminal. Press Ctrl+Alt+T and then enter
gnome-control-center
to launch the settings app.
Sorry. Terminal ignored that entry.
Can you try to launch that command from terminal
gnome-text-editor ~/.config/monitors.xml
and then go to the line
<scale>2</scale>
and set the value in the middle (I think it is 2 in your file) of that line to 1. That sets a 100% scaling.
<scale>1</scale>
Save the file and press Ctrl+Alt+Del to logout. Then login.
That worked for me to set the scaling to 100%.
Another option would be to remove that ~/.config/monitors.xml file instead of running gnome-text-editor and editing it. Just remove that file with
rm ~/.config/monitors.xml
and then press Ctrl+Alt+Del to logout or reboot
sudo systemctl poweroff
That resets all monitor settings to default. After login open the settings app and make the display settings you like.
The monitor popped up but where would be the line 2 ?
I meant the line 2
Sorry I’m typing the line in but only the middle 2 digit is appearing ?
Is it solved now? I edited my post because it was not formatted correctly. I didn't meant line 2.
The easiest way is to remove the entire file with the command
rm ~/.config/monitors.xml
and then to logout or reboot.
No. It’s a fault my end the line with the word ‘scale’ (twice), the digit 2 and symbols <> /
It says ‘no such file or directory’
I don't understand what you mean.
If you want to edit the file, just replace the 2 with a 1 in the line which begins with and then save it.
Where do I find this file?
At ~/.config/monitors.xml
Usually, when you have changed something in the displays settings (as e.g. scaling), you have that file - otherwise not.
Have you used the settings app to change the scaling to 200%?
Doesn't the text editor open the file when you enter
gnome-text-editor ~/.config/monitors.xml
or can't you see it because it is outside of your screen?
Then try it with nano. Nano is a terminal text editor and opens in the same terminal window:
nano ~/.config/monitors.xml
Thanks for your help. I just solved the problem by rebooting with a terminal command sudo reboot.
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Had you changed the scaling e.g. with xrandr (--scale 0.5)? With that method no ~/.config/monitors.xml file is created. Then a simple reboot or logout helps to reset it.
Problem sorted. Rebooted using terminal command - sudo reboot