query: Ubuntu installation problem (Secure boot)
positive_passages.docid: 21732
positive_passages.text: Can't load GRUB all of a sudden (UEFI problem)
negative_passages.docid: 32246
negative_passages.text: How to install the Boot-Repair tool in an Ubuntu live disc?
negative_passages.docid: 37869
negative_passages.text: Installation of Ubuntu 14.04 shows error about /boot/efi and takes forever
negative_passages.docid: 148742
negative_passages.text: What is the "Bootable flag" option when installing a distro?
negative_passages.docid: 73121
negative_passages.text: How can I force Ubuntu to boot on a stuck boot menu?
negative_passages.docid: 63772
negative_passages.text: I can't boot into a usable system after updates. What should I do?
negative_passages.docid: 8047
negative_passages.text: Ubuntu Touch Install Problem
negative_passages.docid: 145858
negative_passages.text: Ubuntu 12.04.3 LTS installation failed. says: "GRUB installation failed"
negative_passages.docid: 42207
negative_passages.text: I receive the error 'grub-install /dev/sda failed' while attempting to install Ubuntu as the computer's only OS.
negative_passages.docid: 153810
negative_passages.text: "Untrusted packages could compromise your system's security" appears while trying to install anything
negative_passages.docid: 12068
negative_passages.text: GRUB rescue problem after deleting Ubuntu partition!
negative_passages.docid: 71825
negative_passages.text: How to secure grub recovery mode
negative_passages.docid: 111852
negative_passages.text: The 'grub-efi-amd64-signed' package failed to install target/
negative_passages.docid: 4206
negative_passages.text: Not booting from USB or CD (SYSLINUX Message)
negative_passages.docid: 46173
negative_passages.text: Can't boot Windows 7 after installing Ubuntu
negative_passages.docid: 21486
negative_passages.text: Installation of Ubuntu 16.04 blocked: cannot find hard disk
negative_passages.docid: 34367
negative_passages.text: How do I reinstall Ubuntu?