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-   -   The dreaded GNU Grub Boot Prompt after trying to install Elementary OS (https://www.linuxquestions.org/questions/linux-newbie-8/the-dreaded-gnu-grub-boot-prompt-after-trying-to-install-elementary-os-4175478565/)

Caskla 10-10-2013 07:49 PM
1 Attachment(s)
Here is the input. It seems that (hd2,gpt5) is my boot partition. Would have continued with the instructions, but I was unsure of what to type after the root=/dev/ part.
I figure the initrd.img-3.2.0-51-generic is the initrd.

Ztcoracat 10-10-2013 08:56 PM
Yes it (hd2,gpt5) does indeed look like your boot partition.
And the initial ram disk image (3.2.0-51 generic seems like it could be the initrd-

I (think) now like colorpurple21859 said you would type something like:
Code:
linux (hd2,gpt5) /boot/(your kernel 3.2.0-51)
After the kernel in the above in code I'm not sure if root=/dev would come next or if the name of initrd is what should be typed next.

I'm learning and waiting for colorpurple21859's counsel at this point. Never seen this output before.

andrewthomas 10-10-2013 09:07 PM
Set to the correct value, which might be something like this:
Code:
set prefix=(hd2,gpt5)/EFI/ubuntu
    set root=(hd2,gpt2)
    insmod normal
    normal
not sure if you have to insert the gpt module

colorpurple21859 10-10-2013 09:50 PM
See if this will pull up a boot menu.
Code:
configfile (hd2,gpt5)/boot/grub/grub.cfg
If it does and allow you to boot, then copy the /boot/grub/grub.cfg to /boot/efi/ubuntu and see if that will give you a boot menu.

colorpurple21859 10-10-2013 09:53 PM
Code:
ls (hd2,gpt5)/boot
will allow you to see what kernels are in you boot menu so you can boot directly as posted before if the configfile command doesn't work.

Caskla 10-13-2013 04:26 PM
Quote:
I (think) now like colorpurple21859 said you would type something like:
Quote:
linux (hd2,gpt5) /boot/(your kernel 3.2.0-51)
I am still unsure about what my kernel is. Could it be the vmlinuz-3.2.0-51-generic?

I will get back to you others in a minute. Thank you all for your help.

Caskla 10-13-2013 04:34 PM
The
Quote:
configfile (hd2,gpt5)/boot/grub/grub.cfg
command worked. The only issue is, there is no /boot/efi/ubuntu folder. The only things that are in my efi folder is another folder titled EFI and within that is a Boot folder, an elementary folder, and a Microsoft folder.

EDDY1 10-13-2013 07:54 PM
You may want to read this.
https://help.ubuntu.com/community/UEFI

colorpurple21859 10-13-2013 08:36 PM
copy your /boot/grub/grub.cfg to either EFI/boot or EFI/elemtary to get your grub menu. I'm not sure which one

colorpurple21859 10-13-2013 09:03 PM
This helps explain how grub2 works with efi http://www.rodsbooks.com/efi-bootloaders/grub2.html


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