Uefi pxe boot. 04 using cloud-init configuration file.

Uefi pxe boot Some Ubuntu-based distros will allow you to boot with TFTP and HTTP instead of TFTP and NFS. Typically on Here below some drafts notes on how to boot WINPE on a UEFI computers. Nov 12, 2021 · How to Quickly create a simple PXE server for installing Windows (UEFI & BIOS) over network without USB etc. UEFI boot from netboot To send a file depending on the architecture, here the netboot image for UEFI-style boot, use: pxe-service=BC_EFI, "Boot from network BC EFI", ipxe. I think 67 needs to be: boot\x64\wdsmgfw. Rename the efi/boot/bootx64. May 22, 2025 · Resolution Enable PXE boot in BIOS for Latitude 7x10 and 7x00 Go to General > Boot Sequence, then select to enable Windows Boot Manager. NOTE: UEFI is suggested for both Windows 7 and Windows 10 (Windows 7 works on UEFI as long as Legacy Option ROMs are enabled). Configuration Manager relies on the Windows Deployment Services (WDS) server role via the WDS PXE provider. Is anyone else having this issue/knows where to start? Sep 7, 2025 · If you want to support network boot of both legacy BIOS and UEFI targets on the same broadcast network, then you must enable the Citrix Provisioning PXE Service and remove any DHCP options related to specifying the bootfile from the regular DHCP setup. efi file to mboot. In this post I will cover the creation of a live filesystem using livemedia-creator, and PXE booting it with qemu and UEFI. efi which is in install. kpxe (bios boot loader) to a uefi system. I setup a Wireshark capture and see the options passed but the client tries downloading the boot file from the router address and not the server I specified in option 66. Feb 13, 2025 · If I turn on my virtual machine everything is working as expected. PXE is built into most network interface cards (NICs) and functions with both BIOS and UEFI firmware, making it compatible with old and new systems alike. If you only have BIOS or if you only have UEFI, you can simplify your DHCP, PXE, and TFTP configuration. efi file (1) -\efi\boot\bcd file (2) -\efi\boot\boot. As Jan 7, 2024 · Step by step instructions to install and configure uefi pxe boot with kickstart on RHEL/CentOS 8 Linux. The option is simply completely not available anymore, and I can't seem to find any place either on the webUI Mar 17, 2021 · The following hardware is required for testing Secure Boot over PXE: A server that is running HLK controller and a test computer to act as the HLK proxy. However, with the introduction of UEFI Secure Boot, it is not possible to boot self-built netboot images on all UEFI systems without either disabling Secure Boot on the target system, or updating the Secure Boot key Feb 10, 2025 · The main differences in UEFI PXE booting is determining the . So knowing this I’m going to create the harder solution (see BdsDxe: failed to load Boot0003 "UEFI PXEv4" from PciRootAccess Denied I have never seen this issue before, and it only happens to UEFI machines. cfg-01-aa-bb-cc-dd-ee-ff Jun 22, 2023 · When i enable CSM on mitherboard to boot with bios it hangs on bios boot screen, so I enabled network stack to be able to boot from uefi mode. wim) files. Jan 18, 2024 · How To Start Windows PE System via UEFI PXE IPv4 - Cable Matters Knowledge Base A network boot option will appear in the boot options menu when the UEFI PXE network stack and Intel UEFI network driver have been loaded. EDK II has PXE Boot specification compliant implementation for UEFI. I've got a client getting an IP address, downlo Nov 11, 2021 · I am trying to set up a PXE boot server and the client boot is failing and dropping into the UEFI interactive shell. contoso. The section to add is below. Lastly, HTTP is entirely optional. Jan 12, 2024 · Go to the Boot Menu (this may also be under the Advanced Settings depending on BIOS version) Select Boot Priority (or Boot Configuration) and uncheck Boot Network Devices Last Go to Network Boot and enable UEFI PXE & iSCSI Select either Ethernet1 Boot or Ethernet2 Boot Pressing the F12 key during POST automatically forces booting from the LAN. Learn network booting, automated OS deployment, and best practices for efficient… Windows Deployment Services PXE Boot Configuration. Nov 23, 2016 · Got it booting over PXE i just created all the entrys from 0 to 9 and it works. Dec 5, 2023 · The main differences in UEFI PXE booting is determining the . You are sending undionly. . Feb 2, 2024 · However, when attempting PXE boot (both legacy and UEFI), I did not receive an IP address from the DHCP server, and there is limited information available in the SMSPXE. And actually, disabling Secure Boot and enabling Legacy Option ROMs is only going to make this more difficult 1 Using PXE with UEFI Preboot Execution Environment (PXE) defines a method for booting computers using a network interface, independent of local storage devices or installed operating systems (OSs). BOOT > CSM (Compatibility Support Module) > Network boot/NIC boot type is set to legacy Advanced > Onboard devices > for the "lan controller" I enable "boot from oprom". 5 via PXE on an UEFI environment and GRUB2. Configure DHCP for UEFI BIOS and automated installation Jan 28, 2024 · In a previous blog post, we have seen how PXE network boot works, and how to implement PXE boot for devices with a (classical) BIOS. I am having a very similar glitch in my deployment here, where I cannot boot UEFI/PXE local, but I can boot UEFI/PXE remote, and I can boot BIOS/PXE local. At the same time, we’re looking at a desktop hardware refresh across the company. See full list on gal. Featuring UniFi and Unraid. PXE is an industry standard created by Intel that provides pre-boot services within the devices firmware that enables devices to download network boot programs to client computers. If you cannot find "UEFI PXE Support" in Post & Boot page, please Enable Network Stack in same page. wim (5) If you dont find bootx64. Our DHCP is cisco switch 3750 on each Vlan on different subnet and our wds and clients are on same vlan. This page describes the operation of PXE. Switching over to SeaBIOS allows the machines to PXE boot normally. tinsdeall+opensource@mercianlabels. The UEFI BIOS initiates the PXE boot, the network bootstrap program is loaded and executed and then the Windows 11 operating system is started. com> Using this method This method is an experimental method, which serves a UEFI signed grub image, loads the configuration in grub. An instance of the Network Interface Identifier protocol must be created for each physical external network interface that is controlled by the !PXE structure. Jan 29, 2025 · Are you having trouble booting your computer due to the "Start PXE over IPv4" message? The "Start PXE over IPv4" message essentially means your computer is trying to boot from a network drive instead of your hard drive, which can cause issues. It is used to obtain type and revision information about the underlying network interface. Change the boot sequence. Some of the early UEFI systems like the Dell Latitude e6420 and the OptiPlex 790 do not support PXE booting in UEFI mode. 6 and allows boot over network via PXE (Preboot eXecution Environment). From what the helpdesk for serva has told me, this is not normal. The most common way of trying to do this is to configure your Dynamic Host Configuration (DHCP) server to store and serve this information. I have copied the grub2 and shimx64. After enabling uefi , it does not get ip from dhcp and nothing happens. This is a frustrating problem, but thankfully, there are a few easy solutions. This feature is commonly referred to as "PXE boot". But nothing further happens. cfg and boots the Linux kernel. The images can reside on the same server since they live in different folders. Install the TFTP Learn how to set up PXE servers to boot UEFI images for various Linux and Windows platforms. Network boot using the Preboot Execution Environment (PXE) is widely supported by current Unified Extensible Firmware Interface (UEFI) implementations. Jan 26, 2024 · Happy networking! FAQ What is PXE Boot? Preboot eXecution Environment (PXE) Boot is a protocol that allows a computer to boot its operating system from a server via a network, instead of from a local hard drive or a disk. 15) in addition to the WDS for the PXE boot linked to the “Lite Touch Windows PE” to deploy our Windows 10 1709 images. img - The “boot loader” which will be loaded to a RAM disk vmlinuz - A compressed bootable Linux kernel The setup of the TFTP server to support PXE boot for UEFI servers is a bit different from the setup to support the BIOS servers. 2 SSD, a 2. In UEFI mode, one of these machines and a newer UEFI only board get assigned an IP address, TFTP sy Jul 22, 2025 · Secure Boot may be enabled if wanted. Then when you choose to boot from the network using the F12 boot menu, make sure you choose the option under the UEFI section. Below are the steps to set up a TFTP server to support PXE boot for UEFI servers: 1. com > “Boot wimboot is a bootloader for Windows Imaging Format (. Mar 10, 2025 · Set up bare metal provisioning with PXE and iPXE in this step-by-step guide. cfg and dhcpd. UEFI is a standard firmware interface designed to replace BIOS. UEFI: The Unified Extensible Firmware Interface (UEFI) is a new interface between operating systems and platform firmware. efi pxe-service=X86-64_EFI, "Boot from network X86-64 EFI", ipxe. I can see communication between the client and SCCM/PXE server using the wireshark sniffer. For this purpose, we used SYSLINUX/PXELINUX. The offered environment mainly consists of DHCP or proxyDHCP and TFTP server services. Newer versions of mboot. Jan 10, 2025 · Configure PXE booting over UEFI This section explains how to configure the Preboot Execution Environment (PXE) to boot a hardware server from the network over Unified Extensible Firmware Interface (UEFI), which details the interface between the platform firmware and the operating system at boot time. Because of this each firmware requires a different boot loader and technically operating system. What are the main components of PXE Boot? Red Hat Enterprise Linux 9 UEFI PXE boot supports a lowercase file format for a MAC-based GRUB menu file. Go to General > Advanced Boot Options, then select Enable UEFI Network Stack. efi files Mar 27, 2024 · The main differences in UEFI PXE booting is determining the . The server UEFI requires a different boot image than BIOS. Are you running latest SCCM? Do you have helper IP configured on your network? For grins and giggles, switch it to BIOS boot instead of UEFI and see if it works. Aug 19, 2025 · The process to setup PXE boot server in Windows requires you to make a series of complicated configurations, which can be simplified by a PXE boot tool. Jan 20, 2025 · I am trying to set up a server to boot opensuse-15. 16299. Jan 7, 2024 · Step by Step instructions to install and setup ipv4 UEFI PXE Boot Server for automated installation of Ubuntu 20. efi If using netboot, the rest of the server setup section which focuses on the Arch ISO does not apply. This is likely the case with Arch Linux as well. Use 7zip to extract this iVentoy is an enhanced version of the PXE server. sdi file (3) -\efi\microsoft\boot\fonts folder (4) -\sources\boot. log, Click to expand This is not a ConfigMgr issue, if you are not getting IP address. This may seem straightforward, but there is a set of BIOS settings that need to be changed in order to enable it. It enables you to boot into a Windows PE (WinPE) deployment or recovery environment. But it doesn't start TFTP request. 1. With iVentoy you can boot and install OS on multiple machines at the same time through the network. efi boot file, editing the grub. The system is Rocky Linux (RHEL8). Open the “Windows Deployment Services MMC” under “Windows Administrative Tools” in the Start Menu. Mar 19, 2020 · initrd. It will be provided with the details of where it was retrieved from, so it can then do TFTP transfers of any additional files that it requires to complete the PXE boot process. To be able to distinguish between varying platforms the DHCP server needs to utilize the information sent by the clients. Oct 24, 2018 · Add PXE UEFI support to your Linux PXE server with this simple, step-by-step installation and configuration guide. After enabling the Network Boot, be sure to change the boot sequence so that Network boot is the first priority. Learn about WDS PXE boot for UEFI and BIOS as well as MDT integration, WADK, and others UEFI PXE netboot / install procedure Method developed by Will Tinsdeall <will. you need to get you network guys to fix this before worrying about PXE. cfg-01-aa-bb-cc-dd-ee-ff Jan 26, 2022 · The initially-transferred file will always be a . How to Fix Start PXE over IPv4 issue. Enable PXE boot in BIOS: Go to General > Boot Sequence, then select to enable Windows Boot Manager. Feb 11, 2021 · If client use old-school BIOS, it can boot. 1/Files you need from your windows x64 dvd -\efi\boot\bootx64. However, SYSLINUX/PXELINUX is usually not working well with modern UEFI devices. Red Hat Enterprise Linux 8 UEFI PXE boot supports a lowercase file format for a MAC-based GRUB menu file. In UEFI, I only see PXE IPv4 and PXE IPv6 as boot options. A System under Test (SUT) server that meets the following requirements. So, client got IP address from DHCP server and PXE settings from SCCM/PXE server. The following benefits are available when the Boot Mode is set to UEFI: Support for drive partitions larger Sep 28, 2021 · PXE booting is when your system starts over the IPv4-based network. There are separate pages describing how to Enable UEFI PXE Boot in EDK II and Configuring PXE Mar 6, 2025 · Set up a PXE Boot Server on Linux! Follow this step-by-step guide to configure PXE with DHCP, TFTP, and bootable images. Mar 25, 2020 · When provisioning my Supermicro SYS-E200-8D machines (X10 motherboard), i had the need to enable UEFI boot mode, and provision through PXE. On platforms with UEFI firmware, PXE is supported by a network stack in the client firmware. Oct 7, 2019 · The PXE environment in its simplest form is the process of having your device boot from its network card. Jun 16, 2025 · NOTE: The traditional method to UEFI over PXE is to have Server 2012 (Server 2008 WDS does not support UEFI boot) and Windows Deployment Services setup; this article will allow a non-server OS to allow UEFI PXE boot. In large network deployments, boot performance is critical. At May 22, 2020 · The VM then proceed to try to boot using PXE, fails, and eventually drop into an EFI shell: This particular VM is configured to boot using a VirtIO SCSI controller. To do that, go to the NIC Settings in the BIOS and check the “Enable UEFI Network Stack” option. Settings have been checked in DHCP, nothing has changed. After digging all the packet caps, and log traces in the DP, I'm THINKING Apr 29, 2023 · Hello everyone, I'm experiencing a strange issue with a windows 11 UEFI VM: basically, any option to boot from the network via PXE has disappeared from the UEFI bios and boot manager. [By Models] Go to Post & Boot > UEFI PXE Support > Enable , this setting can be enabled alone with Network Stack set to disabled. As soon as I disable secure boot, move it to Legacy on UEFI, it’s as if no ethernet cable is plugged in. Jan 12, 2024 · PXE boot, also known as Network Boot, is supported by all BIOS firmware versions on NUC products. Apr 26, 2023 · This is a followup to the qemu with PXE boot post I wrote a few years back. This document analyzes firmware and operating system (OS) elements that impact UEFI network boot performance, and offers suggestions for reducing boot time and removing network Aug 27, 2021 · Learn how to PXE Boot both BIOS & UEFI machines with DHCP Policies and Custom Vendor Classes One of the challenges that an IT deployment administrator may face in the field is the ability to boot both BIOS and UEFI machines from the same WDS environment. How to setup PXE net boot windows and Linux, using UEFI. If it use UEFI, PXE network boot doesn't work. Hence in this blog post, we will show how to use iPXE to implement network boot for UEFI devices. efi and efi/boot/crypto64. Mar 29, 2019 · Make sure the PXE boot itself is occurring in UEFI mode. Selecting this boot option will initiate a PXE network boot. If your ESXi host runs UEFI firmware, copy the efi/boot/bootx64. Most of the steps also apply to booting from a network in a IPv4 network. If I then reboot the virtual machine, the EFI BIOS screen appears again telling me "Start PXE over IPv4". Go to General > Advanced Boot Options, then select Enable UEFI Network Stack under: Nov 11, 2025 · Struggling with PXE boot failures? Learn the top 3 causes and expert solutions to ensure seamless deployments and security. I am assuming that you have some familiarity with using Anaconda to install Fedora, CentOS, and Red Hat Enterprise Linux. PXE is a standardized client-server solution that boots an agent via network, allowing management tasks in the absence of a running OS. Sure there are some machines that don’t properly work with ipxe. In regards to Jun 9, 2018 · Step by step guide for how to build your own PXE boot server supporting both legacy BIOS and EFI hardare Build your own PXE boot server This article is a step by step guide for building your own PXE boot infrastructure which can be used to boot both legacy BIOS and EFI based hardware from network. Because of variables such as differing disk layout, a specific boot loader setup doesn't universally apply to all systems. The !PXE structure is defined in the 32/64-bit UNDI Specification in Appendix E. Exit the BIOS, select UEFI PXE To make the VM automatically boot over PXE, you need to go into boot menu and change boot order. wim on your dvd (sources folder). Navigate to “Servers” > server-name. The interface consists of data tables with platform related information, boot and runtime service calls that are available to the operating system and its loader. How to configure/setup a PXE server for UEFI boot for Red Hat Enterprise Linux 7/8/9? UEFI mode PXE boot is supported on physical functions as well as NIC partitions, whereas legacy mode PXE boot is supported only on physical functions. Nov 25, 2016 · USB Boot UEFI client into FOG menu (harder way) You may ask why do we need this? UEFI PXE booting is a bit different than BIOS based PXE booting. This guide will help you to deploy Windows on devices both with UEFI and BIOS firmware. SecureBoot-compatible UEFI netboot over IPv4 and IPv6 UEFI/PXE-netboot-install describes a method for preparing a self-contained netboot image for use with UEFI-based systems. efi files from the ESXi installer ISO image to the /tftpboot folder on your TFTP server. In a nutshell As a reminder from the 4. What is the Difference The difference is the process that the firmware uses to find the boot target, Legacy Boot is the boot process used by BIOS firmware and UEFI boot is used by UEFI firmware. iVentoy supports x86 Legacy BIOS, IA32 UEFI, x86_64 UEFI and ARM64 UEFI mode at the Jul 26, 2024 · What I have discovered and have not found a solution for, however, is that the PC refuses to recognize boot devices. 04 using cloud-init configuration file. In case you missed it, be sure to read the first article, How to set up PXE boot for UEFI hardware. It doesn’t know what to do with the file so it rejects it. Jan 30, 2023 · Purpose The purpose of this document is to review the differences between Legacy BIOS PXE booting, UEFI PXE booting and why it matters. If you plan Mar 24, 2020 · This article is part two of two in a short series. The VM seems to skip it and moves to the next device. efi might be unable to boot newer versions of ESXi . ) Figure 2: Enabling Thunderbolt Boot Support The server must support UEFI PXE Boot (Windows Server 2012 is required usually). 5" SSD, and a 3. conf files, and setting the 'Boot Mode' to 'UEFI Mode' in the BIOS. kpxe This is your problem. ) or the network load of a live OS (i. I have used UEFI and BIOS from the same infrastructure, but I had DHCP with scope policies that would detect it UEFI or BIOS PXE boot and hand out those options specific to each type of boot. More significantly, the Network Boot option has completely disappeared from the list of bootable devices within the VM's internal UEFI menu. Jun 8, 2021 · Well from your initial post it very much sounds like PXE boot for legacy BIOS machines work but not for UEFI mode ones in general. e Oct 20, 2016 · A variety of machines will happily boot a custom bzImage via PXE in legacy mode using syslinux. efi . The cradlepoint supports dhcp custom options 60,66, and 68 but I haven’t had much success. The network’s DHCP provides a path to a boot server and network bootstrap program (NBP), downloads it Mar 27, 2019 · The settings I want to use with PXE Booting are UEFI Secure Boot Disabled For the problematic models, I notice that if I enable Secure Boot in BIOS with UEFI, I’m able to see an option to select IPv4 and Network Boot. In this article, we'll go over several ways to troubleshoot this issue. EFI file (UEFI binary) on a UEFI system, and it will be loaded and executed as soon as the transfer completes. bios dhcp how-to ipxe netboot pxe uefi window-server Permalink Bios and UEFI Co-Existence To make network booting for several different client platforms possible you'd have to offer adequate boot images for those clients. In this example, the PXE server and DHCP server are one in the same, but this is by choice only. iVentoy is extremely easy to use, without complicated configuration, just put the ISO file in the specified location and select PXE boot in the client machine. Aug 28, 2025 · This article is focused on configuring a PowerEdge server to boot from a network using IPv6 in Unified Extensible Firmware Interface (UEFI) mode. Aug 24, 2021 · You probably need to change DHCP Options 66 and 67 to point to the PXE boot server. The pxe client is a Dell XPS that only supports UEFI. vin Jun 8, 2023 · We will use a small portable Tiny PXE Server to boot a computer over the network via PXE. As many environments include a mix of both legacy boot OpROMs and UEFI booting environments, our dhcp configuration will include some rudimentary logic to sort them out, and point them towards the appropriate boot files. #centlinux #linux #pxe Feb 15, 2019 · PXE boot both legacy BIOS and UEFI We’re in the planning stages of a Windows 10 upgrade project at work. To enable the Network as a boot device: Apr 28, 2018 · Adding a PXE Boot Image from Microsoft Deployment Toolkit To add a ‘LiteTouch’ boot image from MDT to WDS: Log in to the server as a user with administrator privileges. the images has been downloaded from Dell support and imported into the MDT. But through testing they do support USB booting in PXE mode. I found this tutorial for Suse that worked quite well. UEFI PXE booting takes more time while getting devices ready screen stucks 10-15 seconds before proceed to menu but it works great. UEFI is the newer standard and is more secure. Jul 26, 2024 · What I have discovered and have not found a solution for, however, is that the PC refuses to recognize boot devices. efi This guide should help Mike Galvin - Technical Consultant – 5 May 17 PXE Booting with WDS for UEFI and BIOS Devices 20+ years as a SysAdmin. efi can generally boot older versions of ESXi , but older versions of mboot. More and more systems support UEFI PXE boot, PXE server has to be prepared with proper boot and configuration files accordingly. The board should be able to UEFI boot over the network and in this case, I cannot. For a uefi Preboot Execution Environment A high-level PXE overview In computing, the Preboot eXecution Environment (PXE; often pronounced as / ˈpɪksiː / pixie), often called PXE boot (pixie boot), is a specification describing a standardized client–server environment that boots a software assembly, retrieved from a network, on PXE-enabled clients. Boot loader configuration isn't uniform across UEFI-based systems. This article is based on Legacy environment to extend capability to support UEFI boot. Mar 11, 2025 · Learn how to manage Surface UEFI settings to enable or disable components, configure security, and adjust boot settings on supported Surface devices. Jun 8, 2018 · The end result I'm after is that all PCs attempt PXE boot when powered up, and then automatically image if there's a task deployment waiting for them. com> Original article by Kamal Mostafa <kamal@canonical. Dec 15, 2023 · @GlaDio said in Boot in PXE uefi: NBP filename: undionly. For the device to boot into the PXE environment it needs to receive the relevant instructions. Oct 7, 2025 · Go to the Boot Menu (this may also be under the Advanced Settings depending on BIOS version) Select Boot Priority (or Boot Configuration) and uncheck Boot Network Devices Last Go to Network Boot and enable UEFI PXE & iSCSI Select either Ethernet1 Boot or Ethernet2 Boot Pressing the F12 key during POST automatically forces booting from the LAN. The PXE client-side counterpart is implemented either as part of the booting PC UEFI firmware or in legacy hardware as a Network Interface Card (NIC) BIOS extension. Find resources, guides, and tips for optimizing UEFI PXE boot performance and security. In-depth guides about Windows, PowerShell and Network Administration. For example, the MAC address file format for GRUB is grub. Figure 1: Dell BIOS Advanced Boot Options If you are using a USB-C adapter, enable Thunderbolt Boot support in the BIOS: (check all boxes) (Figure 2. The design of the computer’s firmware is different between bios and uefi. Note that to see UEFI PXEv4, I specifically had to chose Paravirtualized Network adapter. efi, you can use bootmgfw. What Happens During PXE Boot? Sep 12, 2023 · Alternatively, you may press the F12 key several times at the logo screen during startup and select BIOS Setup or System Setup from the menu. 5" HDD. You must configure the server according to the SecureBootUEFI test, and the server must pass the test. Feb 1, 2021 · To be able to start your computer on the network (PXE), you will have to activate the PXE ROM of your network in the BIOS (your motherboard) card. (Bonus points is getting wake-on-lan to work with Win 10 so they'll power themselves up too). I have attempted plugging in an m. Apr 2, 2025 · UEFI PXE Boot Failure: Setting the network card as the first boot device in Proxmox Boot Order no longer triggers a PXE boot attempt. Jul 23, 2018 · Dear All, We are using MDT(8450) with ADK(10. Refer to Windows HLK prerequisites for more details. efi but they usually still load it and then fail to get an IP via DHCP within iPXE or something like that. Apr 15, 2020 · I am trying to PXE boot over a cradlepoint vpn to my wds server. Starting on the network (PXE) can be used : - To download a Live CD from a server and run it directly into the memory of the client computer. PXE booted PCs usually trigger either an immediate full network OS install process (Windows/Linux/etc. something like that. PXE booting will be enabled for both BIOS and UEFI devices. If you don't see any network boot options in the boot sequence menu after enabling the network boot option, you will have to first save and exit the BIOS then restart the PC and enter the BIOS again. Feb 6, 2025 · Remember to prevent PXE boot issues in the future by disabling PXE boot in the BIOS or UEFI firmware, ensuring a bootable device is present, and monitoring the network configuration. Mellanox UEFI Network driver is compliant with UEFI specification version 2. Everything works fine with the legacy boot till we received the new laptops with the 7th generation processor which has to boot as a UEFI. wir yfsjf rgu iosjk dwrjs lgldy dof axxb uuak vpnslpev dupgi jkjm bzmspbw fuykz cbzss