On 26 Feb 2021, at 17:18, S Bob <sbob@xxxxxxxxxxxxxxxxxxxxx> wrote:
All;
I'm running Fedora 33 on an LG Gram 17.
I have a BenQ EX2780Q External Monitor.
If I go to System Settings --> Display and Monitor I can set
the external monitor to a range of resolutions, however the
resolution I want is not on the list.
I have a script I can run as root to set the resolution I want:
#!/bin/bash
# cvt 2160 1200 60
xrandr --newmode "2160x1200_60.00" 217.25 2160 2312 2536 2912
1200 1203 1213 1245 -hsync +vsync
xrandr --addmode HDMI-1 "2160x1200_60.00"
xrandr --output HDMI-1 --mode "2160x1200_60.00"
However, I would like the 2160x1200 setting to be added to the
list in System Settings --> Display and Monitor permanently,
how do I do this?
Can I add an xorg.conf file? If so does anyone have any simple
examples?
I would check that the EDID from the monitor reports support for the mode you are setting.
You can get EDID from xrandr —verbose I recall, and use an edid decode program to view the details. It been a while since I had to do this and no not recall the exact program to use.
Also check in dmesg for any messages about edid problems.
Barry
Thanks
in advance
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