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Thread: UEFI > Secure Boot > Ubuntu

  1. #1
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    Question UEFI > Secure Boot > Ubuntu

    A couple questions:

    I have a new computer. HP Pavilion 23-b010 All-in-One Desktop PC, Integrated AMD Radeon HD 7340 graphics, 6 GB memory. Windows 8 pre-installed. UEFI/Secure Boot.
    Full specifications here: http://h20000.www2.hp.com/bizsupport...odTypeId=12454

    1) Is disabling secure boot a wise decision if Windows 8 is installed. I have an option to disable it in BIOS/UEFI, I've just not done it yet.

    2) If I decide to wipe my drive and install Ubuntu (or any other distro), is disabling secure boot necessary?
    Last edited by Uncle Spellbinder; January 15th, 2013 at 09:37 AM.
    Friedrich Nietzsche: "Without Music, Life Would Be A Mistake" - So, what album are you NOW PLAYING?

    My Last.FM | My Original Music at Jamendo

  2. #2
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    Re: UEFI > Secure Boot > Ubuntu

    It is all very new. I would not remove Windows at this time. Some systems just work with secure boot on or off, some will work with secure boot off, and some require major work arounds or do not work.

    I think you have to at least temporarily disable secure boot to be able to boot from flash drive to install anything.

    Some general info from oldfred and links.
    http://ubuntuforums.org/showthread.php?t=2086883

    You will need to use the 64 bit version of 12.10 and from the UEFI menu boot the flash drive in UEFI mode. That way it will install in UEFI mode.
    Systems need quick boot or fast boot turned off in UEFI settings. Vitial for some systems.
    https://help.ubuntu.com/community/UEFI
    https://wiki.archlinux.org/index.php/UEFI
    https://help.ubuntu.com/community/UEFIBooting

    Another HP
    HP p6-2326 Ubuntu and windows 8 Boot DVD
    http://ubuntuforums.org/showthread.php?t=2093445
    UEFI dual boot two drives - HP - before secure boot issues
    http://ubuntuforums.org/showthread.php?t=2072950

    HP to get into UEFI/BIOS menu - escape then f10 as soon as it starts.
    http://h10025.www1.hp.com/ewfrf/wc/d...roduct=5171079

    grub2's os-prober creates wrong style (BIOS) chain boot entry
    https://bugs.launchpad.net/ubuntu/+s...2/+bug/1024383
    Type of entry that does not work:
    'Windows ...) (on /dev/sdXY)'
    Boot Repair -Also handles LVM, GPT, separate /boot and UEFI dual boot.:
    https://help.ubuntu.com/community/Boot-Repair
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #3
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    Re: UEFI > Secure Boot > Ubuntu

    Thanks for the links. I already turned off secure boot. Left the other settings in tact except for boot order. I have DVD drive first.

    I experimented with some live DVDs/Live CDs. So far no 32 bit distro will boot (including Ubuntu 12.04, 12.10 and 13.04). All three of these Ubuntu versions in 64 bit are recognized and boot to Live DVD without issue.

    So, now to decide If I want to try to dual-boot or to install and wipe Windows. I've been using Xubuntu and/or Fuduntu on my previous old Dell with no Windows install. Pure Ubuntu. So I really don't need Windows. I do have the Windows recovery media in case.

    Time to ponder this situation...
    Friedrich Nietzsche: "Without Music, Life Would Be A Mistake" - So, what album are you NOW PLAYING?

    My Last.FM | My Original Music at Jamendo

  4. #4
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    Re: UEFI > Secure Boot > Ubuntu

    I always go "ouch" when i see someone wanting to delete something they payed
    good money for. But then i like windows 8.

  5. #5
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    Re: UEFI > Secure Boot > Ubuntu

    Quote Originally Posted by offgridguy View Post
    I always go "ouch" when i see someone wanting to delete something they payed
    good money for. But then i like windows 8.
    Well, I payed for the PC. Windows 8 just happened to be on it.

    In all seriousness, I have the Windows 8 recovery DVDs I made with the HP recovery software. So I won't really lose it. And I've actually grown to appreciate Windows 8. This is my first time dealing with the whole UEFI/Secure Boot thing, so I'll admit to being a bit hesitant. But I really miss Ubuntu and Linux in general. I may just go ahead and back up my pictures, documents and Firefox profile and try and install Ubuntu in place of Windows 8.
    Friedrich Nietzsche: "Without Music, Life Would Be A Mistake" - So, what album are you NOW PLAYING?

    My Last.FM | My Original Music at Jamendo

  6. #6
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    Re: UEFI > Secure Boot > Ubuntu

    Quote Originally Posted by Uncle Spellbinder View Post
    I experimented with some live DVDs/Live CDs. So far no 32 bit distro will boot (including Ubuntu 12.04, 12.10 and 13.04). All three of these Ubuntu versions in 64 bit are recognized and boot to Live DVD without issue.
    I have an ACER Iconia W510, which has 32bit ATOM CPU. There is no legacy mode for UEFI in the BIOS SETUP. Is it possible to install somehow Ubintu 32bit on it?

  7. #7
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    Re: UEFI > Secure Boot > Ubuntu

    Sorry: Ubuntu

  8. #8
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    Re: UEFI > Secure Boot > Ubuntu

    I found that with my UEFI Dell laptop I had to copy the x64 ISO contents to a Fat32 formatted USB stick. Then it would see the "efi\boot\bootx64.efi" file and either offer it as boot selection or just auto boot using it.

    From there I could either install Ubuntu 12.10 x64 or run the live environment. Unfortunately the only Linux distro that allows me to do this is Ubuntu/Xubuntu even if they support a signed efi file.

  9. #9
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    Re: UEFI > Secure Boot > Ubuntu

    Just installed ubuntu on my GF's HP laptop which came with win 8 pre installed.

    I also had to turn of intel fast boot (I think its called that) aswell.

    After that installed fine from USB.

  10. #10
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    Re: UEFI > Secure Boot > Ubuntu

    Needless to say, the more computers are produced with this UEFI, the more will be out there. Growing exponentially. Seems the Linux distro world is going to be forced to adapt to this by having compatible/UEFI-signed media available. Or users of Linux will fall off DRASTICALLY.


    .
    Friedrich Nietzsche: "Without Music, Life Would Be A Mistake" - So, what album are you NOW PLAYING?

    My Last.FM | My Original Music at Jamendo

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