Unseen, as per http://download.lenovo.com/express/ddfm.html an update is available for your BIOS (1.43). If you update to this, does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Thank you for your understanding. ** Tags removed: kernel-bug-exists-upstream ** Tags added: bios-outdated-1.45 kernel-bug-exists-upstream-v3.7-rc2 needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Summary changed: - backlight stays on after screen off timer; screen off timer can not be disabled + [Lenovo ThinkPad W510] Backlight stays on after screen off timer; screen off timer can not be disabled -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1069557 Title: [Lenovo ThinkPad W510] Backlight stays on after screen off timer; screen off timer can not be disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1069557/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs