I tried apt upgrade and bios update but didn't helped $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=c78b51e8-c664-4dd2-8020-7bc5da6f2bc0 ro quiet splash vt.handoff=7
** Attachment added: "dmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891032/+attachment/5401031/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891032 Title: Brightness key freeze screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891032/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
