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I am running windows 8 natively and have installed Ubuntu 14 from their download page. I believe I have installed the 32bit version instead of the 64bit version, because it will not load the option to boot into Ubuntu at startup. I have to restart holding shift to get into an option to reboot a sata drive that has this version of ubuntu on it. What is the best course of action here? Uninstall Ubuntu? Upgrade somehow?

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  • 32 Bit verison is backward compatible, and works on all 64 bit hardware. Its some sort of bootloader issue. Try going into the Bios/UEFI settings, disable UEFI secureboot, and enable legacy boot, and then restart
    – Jay Aurabind
    Apr 28, 2014 at 9:45
  • I have done this already. That was the only way I could have even installed ubuntu in the first place.
    – Grace
    Apr 28, 2014 at 9:47
  • In fact, Ubuntu is compatible with UEFI. Did you try it with Secure Boot enabled? Have you take the necessary steps mentioned in help.ubuntu.com/community/UEFI ?
    – Jay Aurabind
    Apr 28, 2014 at 9:50
  • Did you answer No when the Ubuntu installer asked if you want to install Grub?
    – Katu
    Apr 28, 2014 at 9:53
  • I tried to install Ubuntu with secure boot enabled and was getting the error message no efi usb drive available. Once I disabled secure boot I was able to install ubuntu. I am using it right now. The problem as described above, is when I shut down for the night and want to reboot again, it only reboots into Windows 8 and does not give me an option to boot into ubuntu. I have to manually reboot into Ubuntu. I'd like to have an option to choose which OS I boot into at startup, which it is supposed to give me. I believe that 64bit Ubuntu would give me this option as it includes support for Uefi.
    – Grace
    Apr 28, 2014 at 9:54

1 Answer 1

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Either you can use boot-repair from an ubuntu live usb or easyBCD from Windows.

http://neosmart.net/EasyBCD/

sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo sed 's/trusty/saucy/g' -i /etc/apt/sources.list.d/yannubuntu-boot-repair-trusty.list
sudo apt-get update
sudo apt-get install -y boot-repair && (boot-repair &)
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  • I have installed 64 bit ubuntu, but it has not fixed the issue. I went back into UEFI and changed boot order to legacy, so now it at least boots into Ubuntu first. I don't know what else to do to make it give me a choice of OS to boot into, but this is at least a work around.
    – Grace
    Apr 28, 2014 at 19:31
  • I'm sorry to keep bumping this but I seem to have ruined windows 8 and cannot access the UEFI settings anymore. Is this fixable?
    – Grace
    Apr 28, 2014 at 20:05
  • Make a bootable usb key with windows 8 repair (16Go at least I think) or use the installation CD to fix it.
    – Adrien Horgnies
    Apr 28, 2014 at 20:33
  • I don't have a windows install disk. Windows recovery media was installed on a separate partition.
    – Grace
    Apr 28, 2014 at 20:36

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