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  1. Re: HP Spectre x360 Covertible dual boot goes straight to windows 10

    Have you changed drive settings in UEFI from RAID or Intel RST to AHCI.
    If dual booting with Windows you must first install Windows AHCI driver or it will not boot.

    HP Pavillion X360...
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    Re: grub-efi failed to update

    Did UEFI get reset?
    That updating UEFI will normally reset many settings.

    Other brands of motherboards with 990 chipset need IOMMU setting changed. If that reverted to default that could be an...
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    Re: grub-efi failed to update

    What brand/model system?
    Have you updated UEFI from vendor.

    Spectre virus, repoline
    Almost all systems need UEFI updates, anyway, for mitigation of Meltdown and Spectre CPU...
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    Re: grub-efi failed to update

    You are not showing an "ubuntu" entry.
    sudo efibootmgr -v

    Try this, but I expect the same error. Some systems only boot the hard drive or fallback entry which grub does also now...
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    Re: grub-efi failed to update

    May be best to see details, use ppa version with your live installer or any working install, not older Boot-Repair ISO:
    Post the link to the Create BootInfo summary report. Is part of Boot-Repair:...
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    Re: multiple distros

    From the live installer you cannot run install grub. That attempts to install grub to live installer, not your install. Many new users find Boot-Repair easier. That command does work if you are in...
  7. [ubuntu] Re: Boot issues after 19.10 install on Thinkpad 430s

    I would think this is the major issue.
    Started GRUB failed boot detection.

    But then why is grub not seeing drive?
    Or did you install in BIOS mode and booting in UEFI sometimes?
    Or drive is...
  8. Re: Problem with GRUB dual boot ubuntu-windows

    sudo update-grub
    not sure if you can directly run os-prober?
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    Re: Can't change SATA mode from optane

    If you have updated UEFI, have UEFI Secure boot on with your own password and your manual says to use contol-S like previous post, I would ask on the Acer site/forum.
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    Re: Can't change SATA mode from optane

    Intel Optane - See Intel response that no performance difference between RAID & AHCI.
    https://communities.intel.com/thread/121155

    While HP, similar issue....
  11. Re: Problem with GRUB dual boot ubuntu-windows

    After turning off fast startup in Windows, did you run this so grub2's os-prober could find it?
    sudo update-grub

    Some NTFS may need chkdsk also if forced shutdown corrupted NTFS.

    From Ubuntu...
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    Re: Can't change SATA mode from optane

    Acer is one with some unique requirements, but most models seem to work well.
    One requirement is that after install you have to enable "trust". It seems to only trust a Windows boot entry by...
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    Re: Can't change SATA mode from optane

    The mode you want is AHCI, and if dual booting with Windows you must first install the AHCI drivers into Windows.

    Often issue is that you need UEFI update and SSD firmware update, even if new...
  14. Re: Problem with GRUB dual boot ubuntu-windows

    That then sounds like the hibernation flag is set with fast start up on.

    Fast Start up off (always on hibernation), note that Windows turns this back on with updates, SHIFT + Shut down...
  15. Re: Wrong fs type, bad option, bad superblock

    I think these are similar instructions.
    Includes chroot. /home encryption:
    https://help.ubuntu.com/community/EncryptedPrivateDirectory/#Live_CD_method_of_opening_a_encrypted_home_directory...
  16. Re: Problem with GRUB dual boot ubuntu-windows

    Can you directly boot Windows from UEFI boot menu?

    Grub only will boot or find to add to boot menu working Windows. That also means Windows cannot be hibernated. Windows with updates will turn...
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    [SOLVED] Re: Can you test booting into an nvme drive?

    UEFI was not invented by Microsoft.
    It was from Intel originally as EFI. And adopted by Apple Mac when they changed to Intel chips.
    Then Intel turned it over to the UEFI Forum in 2005 and version...
  18. Thread: Dual Boot

    by oldfred
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    Re: Dual Boot

    Depends on configuration.
    May not hurt to just document what you now have. On line version only says for a relatively short time. If you want to keep a copy, you need to save that yourself.

    ...
  19. Thread: Dual Boot

    by oldfred
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    Re: Dual Boot

    You can have multiple installs on your system. The last install will be the default boot.
    And you need to have all installs in same boot mode, all UEFI or all old BIOS. Only if on different drive...
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    [xubuntu] Re: Move Xubuntu 18.04 to new computer

    I would still back up Windows.
    You may find you do not like system & decide to sell it. Then it almost always needs Windows.
    Or find one application that needs Windows, so you want to dual boot.
    ...
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    [xubuntu] Re: Move Xubuntu 18.04 to new computer

    Bit more difficult to convert BIOS install to UEFI. But main difference is grub and some settings which reinstall of grub handles.
    You can keep gpt partitioning & BIOS boot if you have a 1 or 2MB...
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    [kubuntu] Re: Unable to boot to Ubuntu after install

    That does work as long as grub can boot Windows.

    But grub only boots working Windows.
    So when Windows does an update and turns fast start up back on, you will have no way to boot Windows. Or if...
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    [kubuntu] Re: Unable to boot to Ubuntu after install

    Only if single booting Ubuntu may we still change UEFI boot menu description to "Windows Boot Manager". For dual boot systems, Windows overwrites that entry with UEFI update. Or when Windows breaks...
  24. [ubuntu] Re: Ubuntu Server 18 on RAID 1 UEFI won't boot after copying EFI partition

    Do not know server and this only runs from system with gui/desktop.
    If you have Ubuntu live installer for desktop or can get it.

    May be best to see details, use ppa version with your live...
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    Re: Ubuntu boot issue, Ubuntu crashed?

    Some examples with details. I do not know nor use LVM. Relay on TheFu.

    For mounting encrypted see first few lines:...
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