Many many thanks Steve! Bug Bios on my laptop is solved. \(^o^)/
For information: 1. download: http://archive.ubuntu.com/ubuntu/dists/xenial-updates/main/uefi/grub2-amd64/2.02~beta2-36ubuntu3.22/grubx64.efi.signed 2. change permission: sudo chmod 777 grubx64.efi.signed 3. copy: sudo cp grubx64.efi.signed /boot/efi/EFI/ubuntu/grubx64.efi 4. reboot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1734147 Title: corrupted BIOS due to Intel SPI bug in kernel To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1734147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs