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I had Ubuntu 16 and I was able to add the 1080p resolution for my second monitor (VGA1) but after I installed Ubuntu 17, I get the error when I want to output the new resolution: xrandr: Configure crtc 0 failed.

Here's what I did:

$ cvt 1920 1080 60.0
# 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz
Modeline "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
$ xrandr --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
$ xrandr --addmode XWAYLAND0 1920x1080_60.00
$ xrandr --output XWAYLAND0 --mode 1920x1080_60.00
xrandr: Configure crtc 0 failed

I've searched a lot, but couldn't find a solution.

Amir Savand
  • 21

1 Answers1

-2

Please open the following file and remove the # (comment) :

/etc/gdm/custom.conf or/etc/gdm3/custom.conf

The line to remove the comment :

#WaylandEnable=false

Restart the GDM service and try the following command :

xrandr

This should remove the WAYLAND and start showing the VGA or HDMI depending on your display port

Sriharsha BS
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