0
votes
0answers
29 views

Low resolution options disappeared after selecting a higher one

I have a TV with a ridiculously low resolution (around 800x400), the TV accepts higher resolutions as well, and scales them down to the native resolution. Once I tried selecting a higher resolution ...
4
votes
0answers
313 views

How to modify the default setting adopted by xrandr when connecting an external monitor?

I am confronted with a problem of conflict of resolutions (this is a separate question), which makes the display image distorted on both monitors. But this bothers me the most when connecting the ...
5
votes
3answers
2k views

How does X-server calculate DPI?

From Xfce Docs: In case you want to override the DPI (dots per inch) value calculated by the X-server, you can select the checkbox and use the spin box to specify the resolution to use when ...
1
vote
0answers
180 views

Setting KDE to crop the laptop's screen to match external VGA device's ratio

I have a laptop with 16:9 screen ration. Sometimes I need to attach it to a projector via VGA. The projector ratio is 4:3. I use System Settings->Hardware->Display and Monitor->Size & Orientation ...