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Thread: Ubuntu/eOS not booting because of "efidisk read error".

  1. #21
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    Is that error after grub menu or before. Or is it UEFI error or grub/boot error?
    If you have grub menu can you boot recovery mode or second kernel?
    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.







  2. #22
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    Made a short video which is better to explain I guess, https://www.youtube.com/watch?v=HQNd...e_gdata_player

  3. #23
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    Oh, you have
    grub>
    Which is that grub is not correctly installed. You should get that is booting in BIOS/Legacy/CSM mode as now your grub is in UEFI boot mode.

    If booting in UEFI mode and getting that I would use Boot-Repair to reinstall grub in efi boot mode.
    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.







  4. #24
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    Kubuntu 13.10 Saucy Salamander

    Re: Ubuntu/eOS not booting because of "efidisk read error".

    Well I know on my ASUS X501A Laptop I had to go into the BIOS and turn off secure boot. That could be a potential problem. I don't remember exactly what the errors were but I think they were very similar. Mine was called secure boot I guess yours maybe CSM but I would check either way.

    Thanks,
    mccalleyt

    I think you may have to reinstall to fix the issue. Only in part because it would be easier than going thru the pain staking step to reinstall grub2 and fix the configuration.
    Last edited by mccalleyt; March 11th, 2014 at 08:20 PM.

  5. #25
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    @Oldfred, I already re-installed GRUB by booting eOS in UEFI Mode with my USB Stick (clicked on "Try eOS") then install BootRepair and repair it, didn't work though.
    @mccalleyt Secure Boot is off, aswell CSM (There are actually 2 things, CSM and Secure boot, both disabled, still not working).

  6. #26
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    Post the link to the Create BootInfo report. Is part of Boot-Repair:
    https://help.ubuntu.com/community/Boot-Info
    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.







  7. #27
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    Re: Ubuntu/eOS not booting because of "efidisk read error".


  8. #28
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    I do not see anything, other than the extra grub in the MBR that would give that type of error if booting in BIOS mode not UEFI.
    Otherwise something with your version is not correct.
    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.







  9. #29
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    I guess I will try to format the Volume on which eOS is, and try to install Ubuntu. Just not sure which one as Ubuntu 13.X does support it untill 2015 (I think) and the 12.X longer, so can you suggest me which one I shall install?

  10. #30
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    Re: Ubuntu/eOS not booting because of "efidisk read error".

    https://wiki.ubuntu.com/Releases

    Either 12.04.4 or 13.10.
    In April 14.04 will be out. If your system is Haswell based, then this may work, but should not be installed as main working system until released. Those testing it find Haswell systems work better with it, but also have other installs.
    Both 12.04 & 14.04 are long term releases.

    Also instructions for DVD or USB flash drive
    http://www.ubuntu.com/desktop/get-ubuntu/download


    Shows install with screen shots for both BIOS & UEFI, so you know which you are using.
    https://help.ubuntu.com/community/UEFI
    Also shows Windows 8 screens
    http://askubuntu.com/questions/22183...ndows-8-system
    Boot Repair -Also handles LVM, GPT, separate /boot and UEFI dual boot. required for UEFI & grub bug fixes
    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.







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