rihad, as per http://www.gigabyte.com/products/product- page.aspx?pid=2551#bios an update is available for your BIOS F12. If you update to this, does it change anything?
As well, once complete, please 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 ** Tags added: bios-outdated-f12 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/880646 Title: 11.04 and up cannot start from RAID/LVM2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/880646/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs