Questions tagged [uefi]
Questions about the Unified Extensible Firmware Interface (UEFI), the software interface aiming to replace typical BIOSes. This tag may also be used for questions related to UEFI partitions and systems.
1,096 questions
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Qemu: EFI stub: ERROR: Failed to decompress kernel
I created a raw disk image with qemu-img and created an EFI and an EXT4 filesystem on it with losetup, fdisk, mkfs.vfat and mkfs.ext4.
As a quick hack, because I couldn't find efi shell on the laptop ...
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Using Das U-Boot to boot Linux on x86_64 UEFI platform
I have some troubles booting Linux Kernel from Das U-Boot on x86_64 UEFI Platform.
I tried to use default efi application defconfig target (x86-app), with addition scsi, sata and some other config ...
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Cannot boot Ubuntu 24 on a Carbon X1 Lenovo thinkpad
I have a Thinkpad X1 Lenovo on Windows which I want to convert to Linux.
I have ubuntu-24.04.3-desktop-amd64.iso on a usb stick using Ventoy.
I start the laptop, press F12, install Ubuntu with the ...
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Fedora EFI boot entry absent on HP Victus (dual-boot with Windows 11)
I installed Fedora Workstation 42 alongside Windows 11 on my HP Victus 15 (fb3003AX), but Fedora never appears in the bootable devices menu.
Laptop model: HP Victus 15 (fb3003AX)
OS: Windows 11 + ...
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`Lenovo T470`. `Linux Mint 21.3`. System Firmware (`UEFI DBX`) update fails due to older version (1.7.9 instead of 1.9.1) of `fwupd` package in `apt`
Title:
Lenovo T470. Linux Mint 21.3. System Firmware (UEFI DBX) update fails due to older version (1.7.9 instead of 1.9.1) of fwupd package in apt.
Issue: Unable to update System Firmware (...
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Stuck on boot loading screen when booting from external SSD
I have a Dell laptop and I'm trying to run Fedora KDE Desktop 42 from an external SSD. I've freshly installed Fedora in the external SSD using another USB flash drive containing the live image. When I ...
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explanation of all Linux's /boot/efi .efi files
In a simple install of Redhat from rhel-8.10-x86_64-dvd.iso I have this
/boot/efi/EFI/BOOT/BOOTX64.EFI
/boot/efi/EFI/BOOT/fbx64.efi
/boot/efi/EFI/redhat/grubx64.efi
/boot/efi/EFI/redhat/mmx64.efi
/...
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How do I get FreeBSD multiboot to work with zfs
I have one hard drive that I want to split into two separate FreeBSD OS installs and I'm running into a wall trying to figure out how to get it working.
I followed Installing FreeBSD Root on ZFS using ...
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GRUB disappears from UEFI boot entries after booting Windows (Ubuntu + Windows dual boot)
Every time I boot into Windows (11/10) on my dual-boot system, the GRUB entry vanishes from the UEFI boot menu. I reinstall GRUB from a live Kali USB, and the entry comes back. Then I reboot into ...
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Grub cannot find any of my rhel 9 kernel
I'm using a red hat developer subscription, so no official support from red hat.
I have a rhel 9.6 installed to a 2TB nvme SSD, whose partitions are as follows:
1 : 600MB (EFI)
2 : 1GB (forget what ...
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87
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RHEL8 dracut initramfs switch-root hanging on one machine and not others
I have a 2TB external SSD connected to a server. Using the server, I booted into the RHEL8 installer and successfully installed onto the external drive, however during the post-install reboot (and all ...
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Rewrite the original /boot/efi esp partition and selected a previous pop os partition no formatting
So I have win 11 and pop os dual installed on the same drive. I switched between them from boot menu, but suddenly I couldn't find pop os in the menu, probably because of my corrupted USB flasg drive ...
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How can I boot into Linux on an NVME drive when my system's UEFI firmware doesn't recognise it
I want to install Debian on an NVME SSD, which is in a PCIE adapater card. However, the drive doesn't appear in the UEFI settings as a bootable drive.
I was able to install Debian onto a SATA HDD and, ...
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Booting into popos results in the laptop rebooting into BIOS
After i have formatted and de-allocated a space for my pop os installation, i used rufus to flash the pop os's iso images into my drive and installed pop os on my laptop(asus with nvidia gpu). i then ...
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Gibberish characters in EFI variables
Do gibberish characters found in EFI variables serve any purpose?
Out of curiosity, i am trying to read out EFI variables. Specifically ones related to the booting mechanism.
Under /sys/firmware/efi/...
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