Color profile for laptop screen is wrongly applied to one of my external monitors instead
I had a laptop with 1 external monitor connected. The external displays' colour is fine to me, but the internal panel has a noticeable blue tint. I downloaded a profile that makes it roughly match the external monitor. That was fine!
Now I just got a 2nd external monitor, of the same type. It again doesn't need colour management. But now, I can't use all 3 screens at once, because I need the colour profile on the laptop for it to be usable, but g-c-c insists on wrongly applying the profile to one of the external screens instead. This doesn't seem to be totally consistent, either.
This occurs on X11 and Wayland and regardless of whether the laptop screen is on or off in Displays.
So, right now, I have this:
The problem (at least in its current incarnation) is this:
- If I now tick
ON
colour management for the Laptop Screen, my right-hand external monitor (HP 27xw, # 3) gets the laptop screen's colour profile and looks awful. - Turning
OFF
colour management for the Laptop Screen does not fix this. - I have to toggle colour management
ON
for either of the external displays to 'fix' this (thenOFF
again once it's 'fixed').
The net result is that I can't have both external displays turned on and have the internal one turned on with colour-management; that's an either-or proposition, sadly.
It seems worth noting that I just tried turning the internal display on again, and it came on, but suddenly the right-hand external display has the errant colour profile applied to it... despite none of the displays appearing as ON
for colour management...
What can I provide to help diagnose and resolve this? I want to be able to use all 3 displays, but right now I can't, because one of them always has very different colours, and it's awful to look at.
I don't know if this'll be useful, but it came to mind, so in case it is, here's my xrandr
output (with internal display off, but nothing interesting changes when it goes on):
$ xrandr
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 8192 x 8192
LVDS-1 connected (normal left inverted right x axis y axis)
1920x1080 60.06 + 59.93
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1280x1024 60.02
1440x900 59.89
1280x960 60.00
1360x768 59.80 59.96
1152x864 60.00
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
960x600 60.00
960x540 59.99
800x600 60.00 60.32 56.25
840x525 60.01 59.88
800x512 60.17
700x525 59.98
640x512 60.02
720x450 59.89
640x480 60.00 59.94
680x384 59.80 59.96
576x432 60.06
512x384 60.00
400x300 60.32 56.34
320x240 60.05
VGA-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm
1920x1080 60.00*+
1680x1050 59.95
1600x900 60.00
1280x1024 60.02
1440x900 59.89
1280x800 59.81
1280x720 60.00
1024x768 60.00
800x600 60.32
640x480 59.94
720x400 70.08
HDMI-1 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 598mm x 336mm
1920x1080 60.00*+ 50.00 50.00 59.94
1680x1050 59.88
1600x900 60.00
1280x1024 60.02
1440x900 59.90
1280x800 59.91
1280x720 60.00 50.00 59.94
1024x768 60.00
800x600 60.32
720x576 50.00
720x480 60.00 59.94
640x480 60.00 59.94
720x400 70.08
DP-1 disconnected (normal left inverted right x axis y axis)
Thanks in advance!