J'ai installé inxi et voici le résultat sous root :
Graphics: Device-1: Intel 4th Gen Core Processor Integrated Graphics driver: i915 v: kernel
Device-2: NVIDIA GK107GLM [Quadro K1100M] driver: nouveau v: kernel
Display: wayland server: X.org 1.19.6 driver: intel,nouveau unloaded: fbdev,modesetting,vesa
tty: 120x24
Message: Advanced graphics data unavailable for root. Old System?
et le résultat sous utilisateur standard
Graphics: Device-1: Intel 4th Gen Core Processor Integrated Graphics driver: i915 v: kernel
Device-2: NVIDIA GK107GLM [Quadro K1100M] driver: nouveau v: kernel
Display: wayland server: Fedora Project X.org 1.19.6 driver: intel,nouveau
unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz
OpenGL: renderer: Mesa DRI Intel Haswell Mobile v: 4.5 Mesa 18.0.5
qui semble confirmer un problème au moins sous root ?