Hi, on fresh KUbuntu 18.04 install, nvidia driver seems to be installed but shows errors:
# lshw -c video
*-display NON-RÉCLAMÉ
description: VGA compatible controller
produit: Intel Corporation
fabriquant: Intel Corporation
identifiant matériel: 2
information bus: pci@0000:00:02.0
version: 02
bits: 64 bits
horloge: 33MHz
fonctionnalités: pciexpress msi pm vga_controller bus_master cap_list
configuration: latency=0
ressources: mémoire:64000000-64ffffff mémoire:40000000-4fffffff portE/S:7000(taille=64) mémoire:c0000-dffff
*-display
description: 3D controller
produit: NVIDIA Corporation
fabriquant: NVIDIA Corporation
identifiant matériel: 0
information bus: pci@0000:01:00.0
version: a1
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list rom
configuration: driver=nvidia latency=0
ressources: irq:16 mémoire:65000000-65ffffff mémoire:50000000-5fffffff mémoire:60000000-61ffffff portE/S:6000(taille=128) mémoire:66000000-6607ffff
# nvidia-settings
ERROR: Unable to load info from any available system
(nvidia-settings:4258): GLib-GObject-CRITICAL **: 02:29:05.228: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
** Message: 02:29:05.230: PRIME: No offloading required. Abort
** Message: 02:29:05.230: PRIME: is it supported? no
# lsmod|grep i915
i915 1622016 0
i2c_algo_bit 16384 1 i915
drm_kms_helper 172032 2 nvidia_drm,i915
drm 397312 4 drm_kms_helper,nvidia_drm,i915
video 45056 1 i915# xdpyinfo | grep 'dimensions:'
dimensions: 800x600 pixels (212x159 millimeters)
Thanks for your support