Hi An, Yes, after running those commands and rebooting, everything works again. I can adjust the screen brightness again, and no more trailing cursor.
``` vesa@vesa-Legion-5-Pro-16ACH6H:~$ lsmod | grep nvidia nvidia_uvm 2076672 0 nvidia_drm 139264 12 nvidia_modeset 1638400 12 nvidia_drm nvidia 104169472 205 nvidia_uvm,nvidia_drm,nvidia_modeset drm_ttm_helper 16384 1 nvidia_drm video 77824 2 ideapad_laptop,nvidia_modeset vesa@vesa-Legion-5-Pro-16ACH6H:~$ ls /sys/class/backlight nvidia_0 vesa@vesa-Legion-5-Pro-16ACH6H:~$ ``` -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2155617 Title: Backlight device disappears and brightness breaks on kernel 6.17.0-23+ (Lenovo Legion 5 Pro, NVIDIA hybrid graphics) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2155617/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
