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On Sun, Apr 10, 2022 at 6:59 AM Серега Филатов <raxp.worm202@×××××.com> wrote: |
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> |
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> If it's a similar laptop I assume you have grub2 installed in EFI mode. |
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> Check if you have grubx64.efi in your EFI partition (usually /<mounted EFI partition>/EFI/gentoo/). |
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> Also check if you have efi boot entry for grub with efibootmgr utility. if grub-install with EFI target was used on a new system it should call efibootmgr to add a Gentoo entry in UEFI). |
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> |
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> If you are trying to install grub in legacy mode then look in UEFI settings if CSM or legacy boot is enabled. But since you have win11 and you want dual boot I don't think that it's what you want. Os-prober will not pick up EFI win11 installation if grub is installed in legacy and you can't install win11 in legacy since Microsoft made win11 UEFI-only. |
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> |
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> On Sun, Apr 10, 2022, 15:15 Helmut Jarausch <jarausch@××××××.be> wrote: |
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>> |
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>> Hi, |
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>> |
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>> I have purchased a new Laptop with Windows 11 pre-installed. |
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>> I have managed to do (so far) |
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>> |
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>> - shrink the Windows partition (from within Windows since it's |
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>> encrypted) |
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>> - turned off secure boot to be able to boot a Linux rescue system from |
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>> USB |
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>> - created new partitions (boot, root and home) |
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>> - copied a gentoo system from a similar laptop onto the root partition |
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>> - reinstalled grub2 (after doing chroot) |
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>> |
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>> My problem now is that I can't select the Gentoo partition within BIOS |
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>> since this partition isn't offered as a boot option. |
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>> |
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>> Many thanks for any hints or pointers, |
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>> Helmut |
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>> |
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|
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An example: |
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|
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root@science2:~# ls -al /boot/efi/ |
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total 6 |
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drwx------ 3 root root 1024 Dec 31 1969 . |
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drwxr-xr-x 4 root root 4096 Mar 29 14:37 .. |
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drwx------ 5 root root 1024 Feb 13 15:35 EFI |
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root@science2:~# ls -al /boot/efi/EFI/ |
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total 5 |
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drwx------ 5 root root 1024 Feb 13 15:35 . |
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drwx------ 3 root root 1024 Dec 31 1969 .. |
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drwx------ 2 root root 1024 Feb 13 15:35 Boot |
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drwx------ 4 root root 1024 Dec 1 20:43 Microsoft |
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drwx------ 2 root root 1024 Feb 13 15:35 ubuntu |
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root@science2:~# ls -al /boot/efi/EFI/Boot/ |
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total 1857 |
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drwx------ 2 root root 1024 Feb 13 15:35 . |
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drwx------ 5 root root 1024 Feb 13 15:35 .. |
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-rwx------ 1 root root 955656 Feb 13 15:35 bootx64.efi |
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-rwx------ 1 root root 85672 Feb 13 15:35 fbx64.efi |
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-rwx------ 1 root root 856232 Feb 13 15:35 mmx64.efi |
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root@science2:~# ls -al /boot/efi/EFI/Microsoft/ |
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total 8 |
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drwx------ 4 root root 1024 Dec 1 20:43 . |
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drwx------ 5 root root 1024 Feb 13 15:35 .. |
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drwx------ 40 root root 5120 Dec 1 20:43 Boot |
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drwx------ 2 root root 1024 Dec 1 20:44 Recovery |
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root@science2:~# ls -al /boot/efi/EFI/ubuntu/ |
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total 3457 |
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drwx------ 2 root root 1024 Feb 13 15:35 . |
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drwx------ 5 root root 1024 Feb 13 15:35 .. |
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-rwx------ 1 root root 108 Feb 13 15:35 BOOTX64.CSV |
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-rwx------ 1 root root 117 Feb 13 15:35 grub.cfg |
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-rwx------ 1 root root 1722240 Feb 13 15:35 grubx64.efi |
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-rwx------ 1 root root 856232 Feb 13 15:35 mmx64.efi |
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-rwx------ 1 root root 955656 Feb 13 15:35 shimx64.efi |
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root@science2:~# |
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