thank you for all the information and detailed and clear steps, and thank you for being so patient, I am testing in the middle of my workday
These are the results: Step 1: Running kernel: 7.2.0-070200rc5-generic Kernel command line: BOOT_IMAGE=/boot/vmlinuz-7.2.0-070200rc5-generic root=UUID=02db4a59-6dd6-40bd-af90-92192c3afc49 ro quiet splash crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M Step 2: === SLIDER SET TO 20% === intel_backlight: brightness=8728 actual=8728 max=42667 type=raw dmesg does not show any response <-- please take this phrase with a grain of salt as I probably dont know what am I doing :D Step 3: === SLIDER SET TO 80% === intel_backlight: brightness=32591 actual=32591 max=42667 type=raw dmesg does not show any response Step 4: no changes in screen observed no erratic behaviour observed no error messages observed Step 5: NVIDIA WMI EC interface found: /sys/bus/wmi/devices/603E9613-EF25-4338-A3D0-C46177516DB7 I want to share logs and more information but I am not sure which type of logs should I share. which commands should I run? after your reply, I will try to run the scripts in RC4 ** Attachment added: "omar Achernar sudo dmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2163244/+attachment/5991682/+files/omar%20Achernar%20sudo%20dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2163244 Title: Ubuntu 26.04 LTS -- Lenovo Yoga 7 Pro 15IPH11 Screen Brightness not Working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2163244/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
