I'm sure when you enabled the "Load Legacy Option Rom" the bios initialize some of the hardware differently then when that option is disabled.
I'm sure that I'm booting with the efi kernel Command line: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic.efi.signed ** Attachment added: "dmesg" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1234546/+attachment/3884363/+files/dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1234546 Title: Plymouth screen refresh is bad when Live USB is started in UEFI mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1234546/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
