__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia glxgears
Pour le backlight control, voir https://unix.stackexchange.com/questions/616371/backlight-control-not-working-on-lenovo-ideapad-gaming-3-with-renoir-amdgpu/637154#637154 et https://gitlab.freedesktop.org/drm/amd/-/issues/1438
Pour cela utiliser Compiz comme gestionnaire de fenetre https://doc.ubuntu-fr.org/compizconfig-settings-manager
Utiliser un logiciel qui s'appelle
piper
Please create the file /etc/modprobe.d/iwlwifi.conf with content
options iwlwifi remove_when_gone=1
Remove dev from PCIe bus if it is deemed inaccessible
Since then I had no Problem anymore with connection after wakeup from suspend to ram or suspend to disk. More Option for the module
modinfo iwlwifi | fgrep parm