On Thu Jul02'26 07:34:45PM, Felix Miata wrote: > From: Felix Miata <[email protected]> > Date: Thu, 2 Jul 2026 19:34:45 -0400 > To: [email protected] > Reply-To: Community support for Fedora users <[email protected]> > Subject: Re: OT: recommendations for a 2880x1800 external monitor? > > Ranjan Maitra composed on 2026-07-02 11:35 (UTC-0500): > > >> Simpler choices I suggest to try for mirroring the two: > > >> xrandr --output eDP-1 --mode 2880x1800 --pos 0x0 --output HDMI-1 --mode > >> 3840x2160 > >> --scale-from 2880x1800 > > >> xrandr --output eDP-1 --mode 2880x1800 --pos 0x0 --output HDMI-1 --mode > >> 3840x2160 > >> --scale .75x.75 > > > I now can not recall about the first one, but the second and third do the > > same thing. Which likely makes sense. However, both screens are completely > > filled (how is this possible?) and what is really bad about the HDMI-1 > > screen is that it does not display new windows or the mouse cursor or even > > when you write on an existing terminal then the script gets messed up (I do > > not quite know how to explain this) to be unreadable. The eDP-1 screen > > looks fine to me. > > > So, I am missing something. > > This works here, without adjusting for the different aspect ratios: > xrandr --output DVI-D-1 --mode 1920x1200 --primary --pos 0x0 --output HDMI-1 > --mode 2560x1440 --scale-from 1920x1200 --same-as HDMI-1 --pos 0x0 > > So, for you, without adjusting for the different aspect ratios: > xrandr --output eDP-1 --mode 2880x1800 --primary --pos 0x0 --output HDMI-1 > --mode 3840x2160 --scale-from 2880x1800 --same-as HDMI-1 --pos 0x0 > > Or, substitute --scale .75x.75 for --scale-from 2880x1800. At least so far the > entirety of the small screen is included on the larger. > > I'm getting stumped as yet trying to correct for the different aspect ratios, > but > still trying. The stumper is the bottom of the big screen is missing the > bottom of > the small screen (no panel) when I get the aspect ratio corrected. When I get > the > whole desktop on both, then the larger screen's windows are stretched > horizontally. > Perhaps Patrick is right that black bars are needed....
Right, black bars have to show up because how else can you fix a rectangle of one height/weight proportion into another of different one, without stretching or cutting out? I will see if Patrick comes up with some suggestions on a native resolution monitor, otherwise will try based on that webpage. Many thanks again, and best wishes, Ranjan -- _______________________________________________ users mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected] Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new
