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59729
Apprentice
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Joined: 21 Jun 2004
Posts: 279

PostPosted: Tue May 27, 2014 11:04 am    Post subject: (solved) problems with UEFI install/boot Reply with quote

Just got myself an Intel NUC and the latest bios doesn't seem to allow regular bios boot just get a black screen. UEFI boot works

I will install from USB / multilib-hardened-64bit

There are some guied how to create a UEFI USB install but all of them relies on a linux enviroment, Im currently running Windows and tried some tools which helps with that.

First I tried creating a bootable UEFI usb with a ubuntu image which worked seemed the easiest way to test as I couldnt find a premade image for gentoo stage3.

Next step I tried to create an empy bootable UEFI usb and copied the stage3 files to the USB / black screen no UEFI. Then I copied the EFI folder from the gentoo livedvd.

Summary, I can get windows and Ubuntu install to boot UEFI
std boot/no uefi install = black screen
I cannot get gentoo install to boot UEFI / only finds std/emulated boot or whatever its called

Any help appreciated


Last edited by 59729 on Tue Nov 11, 2014 9:28 pm; edited 1 time in total
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xaviermiller
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Joined: 23 Jul 2004
Posts: 7972
Location: ~Brussels - Belgique

PostPosted: Tue May 27, 2014 11:09 am    Post subject: Reply with quote

Hello,

SystemrescueCD has UEFI support.

For the rest, I've read the wiki pages :
http://wiki.gentoo.org/wiki/UEFI_Gentoo_AMD64_Quick_Install_Guide
http://wiki.gentoo.org/wiki/EFI_stub_kernel
http://wiki.gentoo.org/wiki/Partition

You need to activate EFI in the kernel, and put the kernel or boot loader in a GPT EFI partition, as stated in the given links.

If you don't need a dual boot, just copy the kernel to [GPT]/efi/boot and rename it botx64.efi
In that case, you will need to enter the command line in the kernel configuration (root=/dev/sda2 blah blah)
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Kind regards,
Xavier Miller
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59729
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Joined: 21 Jun 2004
Posts: 279

PostPosted: Tue Nov 11, 2014 9:27 pm    Post subject: Reply with quote

Thank you, this worked for me, except I got a ton of other problems. Posted a separate thread for that :)

Also if anyone else have the same problem / intel nuc

disable legacy boot
update bios
rescue cd's seems to have some problems for every new build amd64, some grub config needs to be updated (atleast from liveUSB). Google error message and it's easy to fix
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