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Questions tagged [uefi]

Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and platform firmware (BIOS)

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trying to netboot Linux using PXELinux 6.03 in a EUFI 64 board, tftp too slow

I am trying to set up a kids-school lab, using x5-Z8350 based mini PCs: https://ark.intel.com/products/93361/Intel-Atom-x5-Z8350-Processor-2M-Cache-up-to-1_92-GHz Mine seems to have an AMI 64 UEFI "bios". I have managed to offer IP from Ubuntu…
Juanito
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Install oVirt Node 4.1.6 on IBM x3650 M3

I have here a IBM x3650 M3 Server, with ServerRaid m5015 controller and two disk as raid1 configured. Bios firmware is the newest Version, settings a default except VT-D is enabled and I add legacy only to the boot order (this was recommended on…
jb_alvarado
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Fedora 26 UEFI/EFI Rescue Boot

I need to rescue an unbootable UEFI Fedora 26 system. I have booted from the DVD, and used the rescue choot environment. I have a GPT disk with a small FAT32 ESP partition of type EF00. I've run: dnf reinstall grub2-efi grub2-efi-modules…
Neik
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WDS + GRUB2 UEFI: most menu items not working

We are using WDS to deploy operating systems to several types of machines. As per this small guide, I got the UEFI clients to boot grub, but most of the menu items aren't working. When highlighting a selection and pressing enter, nothing happens,…
kazaamjt
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create bootable ISO from USB flash drive recovery media with imgburn or other tool

I need clean my HDD and partitions but first did a recovery usb drive with the recovery tool, the recovery is one of Thinkpad E431 and was done right. I cant rely only on a fragile usb drive to keep this copy and want keep a bkp on my external hdd…
Karl Moser
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PXE booting EFI Livecd - CentOS

I've got a legacy PXE server that does everything we need at my company, and entries that boot to a (custom) CentOS 7 livecd, again, in legacy PXE. I'd like to get these things working under EFI PXE. So far, depending on what .efi file I specify in…
Locane
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ESXi boot stuck at "Press ESC in 1 seconds to skip startup.nsh"

I had to move the primary hard drive that has ESXi installed to the next slot over due to a broken pin on the connector. This causes the system to boot to the screen which says "Press ESC in 1 seconds to skip startup.nsh, or any other key to…
Jeff
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MinnowBoardMax: Boot Failed. EFI Misc Device

Upon setting up a new MinnowBoard Max with a stock Debian install, I get the error Boot Failed. EFI Misc Device at boot. Searching all over the nets yield little help. I can start the system fine by waiting for the EFI Shell to start and invoking…
Yona Appletree
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WDS boot image doesnt want to start

I'am using Microsoft Hyper-V on Windows Server 2012 R2. I Have virtual machine of generation 2. My goal is to boot Windows PE boot image from WDS server using PXE. PXE boot seems OK. WDS starts its bootloader, then I choose boot image from list,…
Andy Coarse
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EFI Error after Windows Server Volume Restore

We had an epic failure of our Windows Server 2012 R2 Essentials Server. We are running a Western Digital Sentinel 5100, and the RAID controller somehow wiped every disk (yay!). We are trying to recover the Windows image from backups we created using…
Joseph Odell
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Remotely troubleshoot why EFi failed to boot a Linux kernel

I have recently inherited a Linux (Gentoo, 3.14 kernel) server. The server is physically located in another country, 3 hours of flight away. The server is set up to use EFI to boot. Its hard drive is partitioned into sda1 (EFI partition) sda2…
Leszek
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WDS 2012: UEFI Client Network Boot results in error 0x102

I've got a WDS 2012 and a DHCP Server 2012 running on the same subnet, but on different boxes. I have been deploying Windows 8.1 x64 without any issues to BIOS clients, using DHCP Options 66 and 67. Now I am trying to deploy Windows 8.1 x64 to HP…
woodrapp
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Possible to decrypt FDE/SED Samsung 840 upon boot without native BIOS/UEFI support for ATA password?

It's possible to encrypt and decrypt a drive with hdparm coupled with Full Disk Encryption like some Samsung and Intel SSDs. What I'm curious about is if it's possible to use with a Desktop motherboard. Seeing as there is very little support for…
Maletor
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Can a Windows Server 2008 use a GPT-only partition table?

I have here a little bit uncommon system: its primary hard disk can't have an old, DOS (MBR) partition table, only a GPT type. It is an outer restriction, that nothing can be done about. It seems as if the firmware silently rejected the disk writes…
peterh
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EFI vs MBR - Installing Windows Server 2008 R2 or 2012 on 8TB

I'm having some difficulty installing Windows Server 2008 R2 and Windows Server 2012 on an Intel Server platform. The server specs is as follows: Intel Grizzly Pass Server System - R2308GZ4GC 2x Intel Xeon 2620 - 2.0 GHZ - BX80621E52620 132 GB of…
Riaan
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