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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Something resets my monitor colour calibration when I log in (self.linux)

submitted 8 months ago by fhein to c/[email protected]

11 comments fedilink hide all child comments

I have calibrated my monitors to create icc profiles, they show up in KDE color management and everything used to work exactly as it should. Now every time I start my computer it goes like this:

I log in to my account
It shows my desktop, with the right colour correction.
After a few seconds the colours revert to look un-calibrated on both monitors.
I restart the colord service and it loads the colour correction again.

As an alternative to step 4, if I go to KDE colour settings, select the default profile and then back to my profile then it also starts looking good again.

This problem must've started a week or two ago, but unfortunately I haven't been able to pinpoint exactly when. I haven't touched anything related to colour management in months, and don't think I've done any changes to my system other than upgrading packages.

Can't see anything colour related in the syslog except colord loading the correct profiles. I removed all the old profiles that I wasn't using anyway. I removed dispcal's profile loader from autostart to make sure it wasn't interfering with something. The profiles are both installed system wide and in my user folder.

Using Fedora 39 KDE.

Anyone have any idea what could be wrong, or even how to debug this?

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[–] breadsmasher 3 points 8 months ago (2 children)

I am so glad to have come across this post because I thought I was going crazy. My colour was resetting and darkening, figured I was somehow hitting the button by mistake for it on my monitor to change between a preset or something. Had no idea the monitor could be controlled from the pc like that?

Glad I am not the only one having this problem

[–] jmanjones 1 points 8 months ago* (last edited 8 months ago)

This post has also confirmed that I, also, am not crazy. I knew its was changing randomly!

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