uefi

  1. V

    Fixing UEFI after migration

    Hi there friends! I'm attempting to move off ESXi on a server (surprise, surprise), and one of my VMs is being particularly petulant. It's a Debian 12 VM, running a pretty standard LAMP stack, set up to boot with UEFI. I tried moving it with the ESXi Import function, and when I did, it sends...
  2. R

    [SOLVED] Error: bad shim signature on 6.8.12-5-pve kernel

    Hello all, Seems like the issue I was having where I couldn't install Proxmox with UEFI enabled because I was getting a SHIM error is coming up with the lates 6.8.12-5-pve kernel. Loading Linux 6.8.12-5-pve ... error: bad shim signature. Loading initial ramdisk ... error: you need to load the...
  3. S

    [SOLVED] UEFI Boot Display suddenly not initializing (yet?)

    Hello all! I'm having a bear of an issue trying to figure out why my windows server VM suddenly went offline. For context, I'd been having a BlueScreening issue as a result of using iSCSI, in an attempt to fix it my colleague unchecked the 'Use LUNs Directly' option (since we run 3 or 4 VMs off...
  4. D

    [SOLVED] Mint-Ubuntu-Debian doesn't installing\launching on UEFI

    So, im trying to install Mint-Ubuntu-Debian on vm, and it doesnt work with UEFI, noone of this, so as result i stopped on Mint (if it help, its linuxmint-22-cinnamon-64bit.iso) to test different solutions (but no result atm). Problem: Before installation end, linux requesting remove cd-rom. If...
  5. E

    Issues Booting Proxmox 8.2.1 ISO in UEFI Mode on Dell R720

    Hello everyone, I'm encountering an issue while trying to install Proxmox VE 8.2.1 on my Dell R720 server in UEFI mode. Upon booting from the ISO, I receive the following error messages: Welcome to GRUB! error: file '/EFI/' not found. error: no such device: /.disk/info. error: no such device...
  6. D

    Bios Settings Not Saving After Power Loss

    We had an issue with a defective UPS which caused a power outage. We have a 3 node cluster running 8.1. After the power loss, one of the nodes bios settings changed to the defaults. This enabled secure boot. When I disable secure boot and save the settings, the settings don't save when the...
  7. C

    Migrate physical Windows 10 to VM and start on console

    I'm trying to use free resources on a NUC by running the existing pysical Windows 10 installation as VM on Proxmox and some other VMs in the background. From console’s user perspective Windows should be started and shown on screen after boot. Steps taken so far: * Copied current disk to a CIFS...
  8. E

    Change Default Resoultion in Windows 10 with GPU Passthrough

    Guys, how can I change the default resolution of 1028x768 to something else on guest VM with Windows 10? I changed the default resolution in the bios OVMF (UEFI) to 1920x1080, but when i start guest OS it still has default resolution of 1028x768. I use it without Display (none), but with GPU...
  9. M

    ZFS & proxmox-boot-tool

    I installed Proxmox 7.x through the ISO on a Hetzner test server on ZFS with 4 HDDs. When upgrading to Proxmox 8, I encountered the documentation on switching to proxmox-boot-tool again (https://pve.proxmox.com/wiki/ZFS:_Switch_Legacy-Boot_to_Proxmox_Boot_Tool) but I'm not sure if I'm...
  10. O

    [SOLVED] Promox host from Grub to UEFI problem

    Hey I installed my Proxmox host as ZFS-on-root as a mirror one year ago. I only just now read that ZFS-on-root doesn't play nice with Grub and tried to swap over to UEFI boot. However I could not get BIOS (on Supermicro H12SSL-i) to find my OS install once changed to UEFI-boot. I read the...
  11. A

    [SOLVED] Proxmox uses GRUB instead of UEFI bootloader on UEFI compatible system

    Greetings! As far as I know disabling CSM should lead to installation in UEFI mode, yet I am still seeing GRUB during boot. What's weird, that efibootmgr -v reports that Proxmox were booted in UEFI mode. root@atlantis:~# efibootmgr -v BootCurrent: 000C Timeout: 1 seconds BootOrder: 000C,0001...
  12. A

    Seabios vs OVMF (UEFI) | Security & OpenSource Question

    I am currently in the process of choosing settings for my new VM Templates and one thing i am still not sure about is if i should use Seabios or OVMF as my new standard. Already did some research and saw the stuff / problems regarding pcie passthrough with seabios and i am aware that i might...
  13. M

    UEFi installation issue with zfs on root on Dell R630

    Okay, let me preface this with I'm not new to Proxmox and I've run this on lots of Dell servers. I've also been working on this for a few days so I might have missed a step or two of the actual troubleshooting This issue is only for UEFI boot and not bios boot. The setup consists of an 11-node...
  14. P

    W11 VM - Change / Update processor type

    PVE 8.0.4 hosting a W11vm that working just fine on a x86-64-v2-AES processor type. However, I would like to change the processor type to host or at least x86-64 v4 for the improved instruction set. Just changing the processor causes the W11 VM to bluescreen or not even boot. Has anyone done...
  15. O

    Convert Ubuntu VM from SeaBIOS to OVMF

    I have an active Ubuntu server 22 VM that I want to pass through a GPU (p2000) for hardware acceleration. Now when I set up this VM a long time ago I used the default machine (i440fx) and boot type (SeaBIOS), but the docs don't recommend those options for passthrough. The machine type was...
  16. M

    Proxmox UKI

    Hi, I'm trying to get Proxmox booting from a UKI, but I've ran into a roadblock. I generate the UKI with Dracut, but on restart after booting the UKI the machine hangs. This happens only with the Proxmox kernel (6.2), with the Debian kernel (6.1) everything works great. I know this is a very...
  17. B

    [SOLVED] Secure Boot with PVE coming?

    Hi! It's the first time, that I tried to install a Proxmox server with UEFI Secure Boot enabled today and realized that it would not work. Even the PVE8 docs (https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_12_Bookworm#PVE_Kernel_fails_to_boot) tell that Secure Boot should just be...
  18. A

    Migrating PVE server from grub (legacy BIOS mode) to UEFI

    hi, i have a proxmox server installed years ago and upgraded from 4.x up to 7.3 currently. the server was installed in legacy bios mode. firmware upgrades are not supported in this mode, so i would like to migrate to uefi. it is a single node installation (home server) with a couple of VMs on...
  19. P

    [SOLVED] Cannot install PVE as UEFI OS

    While reinstalling PVE, I was able to install it as an UEFI OS on a Transcend SSD but not on my Kingston SSD SV300S37A120G. I'm able to differentiate because the BIOS selections will prefix with UEFI OS. Also checked that Windows 10 had no issues installing itself on Kingston as an UEFI OS...
  20. H

    Unable to boot "Arch-Linux-x86_64-cloudimg.qcow2" with OVMF (UEFI) BIOS - Even with Secure Boot Disabled

    Proxmox Version: 7.4-3 I am trying to install Arch Linux via the official cloud image, which lists Proxmox as a tested provider: https://wiki.archlinux.org/title/Arch_Linux_on_a_VPS The page above details the Proxmox installation process in the table, with a link to the cloud image being...

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