Plasma/nvidia sees only one monitor after last weeks updates

JanErik · Guru Joined: 28 Oct 2002 Posts: 488 Location: Finland

I usually update on sundays and shut down for the night to make sure everything comes up OK.

After this sunday, Plasma had lost display settings and found only one of two monitors. It does work correctly though after setting resolution. The other output is cloned.

Using legacy nvidia-drivers.

Should I try to delete settings in .kde first?

asturm · Posted: Mon Jan 04, 2016 7:20 am Post subject:

~/.kde* is not used anymore for configuration in kf5-based applications and plasma-5, but ~/.config. It is possible that some kscreen files are corrupted, I've heard about that, but can't give you any pointers.
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backend.cpp:92:2: warning: #warning TODO - this error message is about as useful as a cooling unit in the arctic

JanErik · Guru Joined: 28 Oct 2002 Posts: 488 Location: Finland

OK, I am not sure why it did this but I re-emerged nvidia-drivers and rebooted, now it finds both.

I had recently updated then kernel and forgot to set the symlink to /usr/src/linux, still the driver compiled fine but maybe it was due to that? But it worked after that restart.