> That lspci -nnk | grep -A5 probably should have been -A12 or so. maybe you wanted to see the NVIDIA part: 00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 530 [8086:191b] (rev 06) Subsystem: Dell Device [1028:06e4] Kernel driver in use: i915 Kernel modules: i915 ... 01:00.0 3D controller [0302]: NVIDIA Corporation GM107M [GeForce GTX 960M] [10de:139b] (rev a2) Subsystem: Dell Device [1028:06e4] Kernel driver in use: nouveau Kernel modules: nouveau > 'dnf install inxi; inxi -c0 -G'. Graphics: Card-1: Intel HD Graphics 530 Card-2: NVIDIA GM107M [GeForce GTX 960M] Display Server: X.org 1.19.3 drivers: modesetting,nouveau,intel (unloaded: fbdev,vesa) tty size: 120x80 Advanced Data: N/A for root > Plasmashell seems might be thinking both displays are currently connected and it > is trying to use the disconnected display, due to an inappropriate driver and/or > laptop firmware configuration, or defective firmware in need of update. > > If it was here, first thing I would try is adding the following to > ~/.config/kded5rc: > > [Module-kscreen] > autoload=false I did not have this file, so I created it with the content you show. I rebooted, logged in, no more success. I also removed sddm and had to run startx but I got the same black screen. > Is linux-firmware installed? yes Version : 20170605 Révision : 74.git37857004.fc25 > https://fedoraproject.org/wiki/Bumblebee You are right, I was not aware of that. Seems complicated. Do you recommand that I do not use nouveau but prime instead, is that what I should understand? Frédéric _______________________________________________ kde mailing list -- kde@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to kde-leave@xxxxxxxxxxxxxxxxxxxxxxx