All Questions
54
questions
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0
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86
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Recovery of grub (in EFI) after starting Windows 10 in dual boot
Well known problem, but unknown solution (at least so far). The question has been asked millions of times, but a solution to this specific case didn't show up while searching. Feel free to point me to ...
- 121
0
votes
2
answers
59
views
Can an EFI boot table entry override the timeout for GRUB?
It is possible for an entry in the EFI boot table to pass arguments to the stub that it loads. For example, this is commonly used to identify the system root when using the EFI-stub of a Linux Kernel.
...
- 1,198
0
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0
answers
118
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EFI/Bios/Grub: Notebook Doesn‘t boot neither HDD nor Fedora install media
I had a parallel installation of W10 and Fedora Linux. Was fine although prompting error of unknown TPM error the last time but the Notebook booted.
Then I Installed Fedora 39 immutable Onyx. Deleted ...
- 31
-1
votes
1
answer
858
views
Windows is not showing up in boot menu after installing Pop_OS on a separate NVMe drive
I have two NVMes on my laptop. I already have Windows 11 in one, and I wanted to install Pop_OS on the other.
After installing Pop_OS, it only showed Pop_OS in the boot menu after starting up the ...
- 3
0
votes
1
answer
522
views
How to fix accidentally deleting EFI partitions on dualboot windows 7 and linux
TL; DR: How to fix EFI partitions that accidently deleted and cause windows 7 gone from dual boot
What happend: So recently im dualbooting windows 7 with linux zorin os (based on ubuntu) and tried to ...
- 33
0
votes
1
answer
2k
views
/sys/firmware/efi/efivars mount point does not exist on artix (QEMU on arch) EFI variables are not supported on this system
I'm trying to install Artix Linux on a virtual machine before I install it on actual hardware. I'm using QEMU.
When trying to install GRUB via
grub-install --target=x86_64-efi --efi-directory=/boot/...
- 13
1
vote
1
answer
2k
views
How do I remove a phantom Windows Boot Manager displayed by grub?
I have a dual-boot dual-drive Dell Optiplex 7060, with a SATA SSD and an NVME stick.
Ubuntu Linux 22.04 is installed on /dev/nvme0. Windows 11 is installed on /dev/sda. I first installed Ubuntu on the ...
- 261
1
vote
1
answer
5k
views
How to install GRUB EFI to RAID1
While configuring a new server, I try to install the Debian Linux Buster at mirrored disks /dev/sda and /dev/sdb with uEFI.
I tried various combination:
var1:
/dev/sda and /dev/sdb - > /dev/md1 (...
- 155
1
vote
1
answer
2k
views
GRUB shows menu for Ubuntu 20.04 but not for Pop!_OS 22.04
I decided to switch to Pop!_OS 22.04 from Ubuntu 20.04, while I'm mentally preparing to switch to Devuan in the future. The GRUB is configurable from Ubuntu as expected, but when I do exactly the same ...
- 33
0
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0
answers
33
views
Any Windows bootable media won't boot after fixing GRUB2
Recently, I accidentally deleted EFI and Windows partition. Then, I tried fixing the GRUB first on a Ubuntu bootable media (it booted fine). After that, I made Windows bootable using Rufus. But, the ...
1
vote
0
answers
4k
views
How to uninstall grub?
I want to remove grub for another bootloader (i.e. OpenCore). I have some merits in doing so which I won't go into. So my question is how can I completely remove GRUB bootloader.
I can just remove the ...
- 11
1
vote
1
answer
496
views
Is it possible to install GRUB on a 2006 MacBook with 32bit EFI so I can also boot cleanly from 64bit OS Ubuntu server?
The machine is working, after many tries and big effort, it is up and running.
But to boot up the machine, I need to run a Linux Mint 18 boot disc, and tell the machine to boot from internal hard ...
- 21
-1
votes
1
answer
1k
views
GRUB/EFI - Divide & Conquer, smart multiple boot solution
Is there an adequate way to partition a HDD in such a way that every Linux distribution I install has its own GRUB, so that one distro shares anything or interferes with another distro at its absolute ...
- 1
1
vote
1
answer
770
views
Why am I having two grub menus?
I just installed ubuntu on my external hard drive and then try to turn on my computer I encounter a blank grub 2.40 menu(this blank grub) and after that when I type exit command, it takes me to ...
0
votes
0
answers
198
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Build Grub2 EFI for Ubuntu from nothing
After installing Ubuntu, I deleted the EFI partition. I would like to rebuild that partition, I don't want to perform data recovery. I have recreated a partition of a similar size there at SDA2 FAT32,...
