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Operating System not found UEFI, GPT
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merta
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Joined: 14 Mar 2017
Posts: 10

PostPosted: Wed Mar 15, 2017 2:19 am    Post subject: Operating System not found UEFI, GPT Reply with quote

Hi,

I installed the Gentoo into Vmware but when I the time comes the rebooting it is not rebooting.

I looked around the find the solution of that but it seems to me that I configured ok when I looked at the other questions
https://forums.gentoo.org/viewtopic-t-984076-start-0.html
I confused.

I run 2 commands to see check whether everything is correct. I couldn't copy and paste it from the vmware so I took screenshots of 2 commands

Code:

gdisk -l /dev/sda

&

parted -a optimal /dev/sda


Outputs of the code :https://drive.google.com/drive/folders/0B7CHOmiZbA-7RC1UcEhQYXNGMEU?usp=sharing

updated any help :oops:
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Roman_Gruber
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Joined: 03 Oct 2006
Posts: 3806
Location: Austro Bavaria

PostPosted: Wed Mar 15, 2017 3:02 pm    Post subject: Reply with quote

Booting is done via a bootloader.

You should share your output of your bootloader.

The screen you have shown is just part of the gentoo handbook on how to setup your harddisc.

Keywords to look up in gentoo handbook / wiki : bootloader / grub bootloader.

Also note, a virtualization has virtual hardware which usually differ from the real hardware.

Quote:
I run 2 commands to see check whether everything is correct.


you should check the bootloader, and if the necessary files (kernel / file system) are in place.
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NeddySeagoon
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Joined: 05 Jul 2003
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PostPosted: Wed Mar 15, 2017 5:38 pm    Post subject: Reply with quote

merta,

That message comes from the BIOS when it cannot detect a bootable partition.
As you have a GPT formatted install, you need to set the bootable flag on the only partition in the the protective MSDOS partition table.
Code:
fdisk -t dos /dev/sda
will allow you to do that.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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merta
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Joined: 14 Mar 2017
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PostPosted: Thu Mar 16, 2017 1:23 pm    Post subject: Reply with quote

Thank you @Roman_Gruber and @NeddySeagoon for responses.

I was trying to install UEFI on Vmware Virtual box but I failed couple times so I decided to setup normal bios instead.

I am guessing that is because of I was trying on virtual box. (it might not support UEFI). So I just installed regular Gentoo following a video from youtube https://www.youtube.com/watch?v=13HUQ0LHI7g

I installed now. I am looking way to set up the user interface now. Any recommendations?
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NeddySeagoon
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PostPosted: Thu Mar 16, 2017 1:56 pm    Post subject: Reply with quote

merta,

Install the Window Manager(s) of your choice. They are all documented on the wiki.
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Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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minsoehan
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Joined: 02 Jan 2015
Posts: 101
Location: Yangon, Burma. (Mother Su's Country)

PostPosted: Thu Mar 16, 2017 2:56 pm    Post subject: Reply with quote

merta

your partition 1 is bios_grub and partition 2 is esp.
why you are having two.
If you are trying to boot via EFI, you should only have EFI System Partition (ESP) and GPT is highly recommended.

bios_grub is only needed for using grub on GPT booting via Legacy Boot.
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