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I'm trying to install Ubuntu 14.04.3 alongside Windows 10, on a x64 UEFI HP laptop.

I burned the Ubuntu (64bit version) on the usb using UNetbootin, proceeded without problems with the installation of Ubuntu, and then rebooted the laptop. However, this resulted in the laptop just booting into windows with no grub appearing.

I consequently tried a variety of things. For example I followed the steps outlined in this guide:

  1. Disabled UEFI secure boot and Windows 10 fast boot option
  2. Reinstalled again Ubuntu 14.04 from the USB
  3. Ran boot-repair from the ubuntu live installation. Boot-repair completed without giving errors. It said to have successfully repaired the GRUB, and in case the GRUB still didn't show up to run the following command on a Windows 10 administrator terminal: bcdedit /set {bootmgr} path \EFI\ubuntu\shimx64.efi.
  4. From Windows 10 I run the above command, which executed without errors. Rebooting the system however the GRUB still doesn't show up. I also tried the slightly different version of the same command given in the above linked page, but still no luck.

I'm not sure what else I can try to make it work, I've never had such problems in installing a linux distribution alongside Windows on other laptops. Any help is appreciated at this point.

Update

I did found a way to boot into Ubuntu through the GRUB. Holding down F11 during the booting process, Windows will boot into the blue "safe mode". In there if you select the "chose a booting device" option you will have the choice to boot from a series of devices, including GRUB and Ubuntu (which however both result in booting from the GRUB). Here is a photo of this menu (sorry for the non-english language, the title says "Use a device"):

enter image description here

While this method works, it is obviously a pain to have to do this procedure every time, but this proves that grub is installed correctly. "Only" the boot loader priority seems to be messed up. How can I force the boot loader to boot into GRUB instead of windows?

Additional information:

  1. The laptop is an HP Notebook - 15-ac119nl (ENERGY STAR)

  2. Here is a snapshot of the partition table given by gparted: enter image description here

  3. Here is the output of bcdedit on Windows 10:

enter image description here

Community
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glS
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  • A bit off topic, but what other distributions have you successfully installed alongside Windows 10? I'm a bit unclear on your blanket statement regarding installing alongside Windows when it seems this question regards a specific version of Windows (10 to be precise). – Elder Geek Nov 08 '15 at 15:55
  • Both ubuntu and other linux distributions, but never on this particular laptop, and really never alongside Windows 10 neither. I'm not sure I understand what you're saying, though. This question is specifically about installing ubuntu alongside Windows 10 on this particular laptop. – glS Nov 08 '15 at 15:58
  • Sorry, It wasn't my intent to be unclear My question was prompted by your statement that " I've never had such problems in installing a linux distribution alongside Windows on other laptops. " – Elder Geek Nov 08 '15 at 16:00
  • Related: http://www.pcworld.com/article/2955460/operating-systems/dual-booting-linux-with-windows-what-you-need-to-know.html I'm sorry I don't have more for you but I'm personally busy avoiding Windows 10 as I'm not interested in "beta testing" for Microsoft and I don't own that particular laptop. – Elder Geek Nov 08 '15 at 16:00
  • HP only likes to boot Windows: http://askubuntu.com/questions/486752/dual-boot-win-8-ubuntu-loads-only-win/486789#486789 – oldfred Nov 08 '15 at 17:10

2 Answers2

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I know this is old but for anyone who comes across this, heres how I solved it. It based on the info in the link oldfred posted.

Problem

I had the same problem on a HP Laptop. There are a lot of laptops which love to boot windows as priority despite what you configure. You need to overwrite the windows boot manager with the grub. It's a bit of a hack, but it's worked great for me and others. Windows will overwrite this every time it updates.

Solution

I created an SH (script file) with the following commands and run it as sudo. (make sure your boot partition is mounted at /boot/efi, which it should be by default)

7z a /boot/efi/EFI_`date +\%d\%m\%Y`.7z /boot/efi/EFI/
cp -a /boot/efi/EFI/ubuntu/* /boot/efi/EFI/Boot/
mv /boot/efi/EFI/Boot/grubx64.efi /boot/efi/EFI/Boot/bootx64.efi
cp /boot/efi/EFI/ubuntu/grubx64.efi /boot/efi/EFI/Microsoft/Boot/
mv /boot/efi/EFI/Microsoft/Boot/grubx64.efi /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi

Notes

The script basically backs up the current EFI configuration (using 7zip, modify this to your preferred flavor of backup), then overwrites the efi boot scripts of the windows boot manager.

It will need to be run everytime windows does a major update.

Jered
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  • thanks for the answer. I don't have the laptop that gave me this problem at hand anymore, so I can't really apply or try this, but it will likely by useful to someone else googling for the same (very frustrating) problem – glS Sep 19 '16 at 19:43
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Tried this command in your windows cmd (as administrator)

bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi

If that not works, try this

bcdedit /set {bootmgr} path \EFI\ubuntu\bootx64.efi
adadion
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  • I've already tried the one with grubx64, as I said in the question. I will try the one with bootx64. Do you have any source for this information? – glS Nov 09 '15 at 11:14
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    @glance just notice that, use EasyBCD on your windows, it is now supported Windows 10. See this for documentation. – adadion Nov 09 '15 at 11:18