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Questions tagged [uefi]

Questions about the Unified Extensible Firmware Interface that finally replaced the BIOS on newer desktops and laptops with the release of Windows 8. UEFI is independent from CPU architectures and supports booting via UEFI with and without secure boot enabled as well as legacy booting via CSM.

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9 views

Dual Boot Infinite Loop issues

After installing Ubuntu 18.04 64bit on a seperate hdd I am able to access grub by pressing F10 and manually choosing a boot option(intel DQ67SW motherboard) and launch either windows 10 or ubuntu. ...
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4 views

Recent instructions for mdadm RAID-1 and LUKS setup on UEFI systems

I have been trying to find a recent document on installing Ubuntu (18.04 preferred) using mdadm RAID-1 mirrors and LUKS underneath mdadm. The main point of using LUKS under the mdadm layer is that ...
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0answers
16 views

(Read Description) rEFInd isn't updating the theme

I know this has been discussed before, but I'm not sure which advice I should follow for my particular computer and configuration. I installed rEFInd, added the themes folder, installed the Minimal ...
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0answers
7 views

UEFI boot on Acer TravelMate P259-M

after upgrade from 16.04 to 18.04: NO BOOTABLE DEVICE with 16.04 I kept switching bios back from UEFI to LEGACY every time I booted. Now does not work anymore. It detects USB boot devices, but not ...
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0answers
17 views

GRUB stopped boot Windows 7 EFI

I have dual boot Ubuntu with Windows 7. It was working fine until recently Windows stopped booting when selecting it in GRUB. But suddenly it stopped and it is stuck in dark purle screen (same color ...
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0answers
27 views

Grub2 failing to install alongside Windows 10

The thing is if I run ubiquity -b the installation goes fine but I am still unable to use boot-repair after this when logging in the Live CD and mounting the device. I also cannot boot with Windows F8 ...
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1answer
53 views

Laptop is booting straight into Windows 10

I had a pre-installed Windows 10 in my Laptop. I had decided to install Ubuntu 18.04 by creating a partition in the single hard disk. Everything worked like a charm for two months without any problem. ...
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0answers
14 views

Is Ubuntu 18.04 amending UEFI boot sequence

On Dell Inspiron 5570 1) delete all boot options and factory reset BIOS 2) then let it boot Ubuntu -> auto generates boot option for HDD with BOOTX64.EFI 3) issue restart from ubuntu 4) F12 to ...
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0answers
13 views

Having issues when trying to create a dual boot with Windows 10 and Ubuntu

I am trying to install Ubuntu on my Dell Inspiron 15 7559 along with Windows 10 essentially trying to create a dual boot where I have two operating systems. However, when restarting my computer and ...
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0answers
21 views

Cannot boot past UEFI when installing ubuntu on HP

On an HP EliteBook 755 g5 , Ubuntu install fails. Boot into Ubuntu 18.04.1 installation media (which was checksummed by etcher when created). Shows me the Grub boot menu Select Install Ubuntu or ...
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2answers
78 views

Grub bootloader not showing up and no Ubuntu boot option in BIOS after installation (boot-info from boot-repair tool attached)

https://paste.ubuntu.com/p/5JNQJsFTBR/ The above URL is taken from my boot-repair tool's report. I'm new to Linux. I have a laptop computer with 2 hard drive. One is a 1TB ordinary hard disk drive ...
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0answers
17 views

The 'grub-efi-amd64-signed' package failed to install target/, Kubuntu 18.04

I have gone through a large amount of the threads with the same issue, but was unable to find a solution. I have tried the following: Manually partitioning the drive, creating an EFI volume at /boot/...
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1answer
83 views

Can't boot to Ubuntu after deleting swap partition

I dual boot Windows 10 and Ubuntu 18.04. Space on my SSD was getting a little cramped so I wanted to delete my large swap partition and use a swapfile instead like in the default installation. I ...
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0answers
8 views

Ubuntu Install 'System BootOrder notfound' stuck in loop

I tried to install Ubuntu 18.04 on a SONY Vaio SVP132A1CM Laptop. There was already a previous install of Windows which was deleted and written over. Once install was complete and after restart the ...
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0answers
13 views

Stuck at GRUB 2.02 rescue when booting bootable USB for install - Win10 + Ubuntu (latest) dual boot

I've tried to install Ubuntu as a dual boot alongside with win10 but first time I installed it in legacy mode which didn't give me a chance to boot with the GRUB bootloader so I uninstalled it in ...
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0answers
21 views

Booting a NVMe drive

Note: this is kind of follow-up of this post: https://superuser.com/questions/1318478/booting-nvme-drive-with-a-bootloader, but I decided to post here since I'm trying to install and boot Ubuntu. ...
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1answer
27 views

Preseed Ubuntu18 partition doesn't work UEFI

I am setting up dual boot, Windows and Ubuntu 18.04, for our computer labs (more than 40 computers). We successfully set this up with an auto installer before. We re-image the machines with MDT and ...
1
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1answer
53 views

How to restore Ubuntu GNU GRUB screen? [duplicate]

I installed Ubuntu 18.04.1 LTS on my system along with Windows 10 as dual boot. The Ubuntu worked fine for few days, but last day there there were some updates in UBUNTU which I allowed to download ...
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0answers
29 views

Can't install any Linux distro on my laptop

I am unable to use any Linux distro on my laptop. when I try to install any Linux distro I get a black screen. and I can't boot with try without installing mode. When I choose to try without ...
0
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1answer
38 views

How to uninstall Ubuntu from Legacy mode? [duplicate]

I'm trying to dual boot Ubuntu 18.04 with Windows 10 on my Lenovo laptop, but have run into some problems :) Specifically, my problems seem to come from choosing UEFI or Legacy as the Bootmode in the ...
1
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2answers
55 views

How do I get my Ubuntu install (in dual boot) to boot using UEFI?

I installed Xubuntu on my PC to set up a Windows VM with gpu pass-through for games. I checked to see if my PC is using uefi with /sys/firmware/efi. The folder is missing so I tried to use sudo apt ...
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0answers
21 views

How can I make 2 boot entries for Ubuntu in GRUB?

I have a MacBook pro 8,2 and if I boot in UEFI mode with the right kernel parameters only the Intel GPU is used. If I boot in EFI mode only the external GPU is used. How can I install Ubuntu to have ...
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0answers
19 views

Kernel Panic during boot

I've had Ubuntu 18.04 installed on my PC for quite a while and been using it with no problems. It would always boot normally.However when I tried to boot today I got a kernel panic saying "cannot get ...
2
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0answers
29 views

How can I prevent grub updates from resetting my EFI bootorder

I'm using Clover as my first and default bootloader. If Ubuntu is selected there, then Grub is activated (AFAIK there is no way to skip this step, I don't really use Grub at all, so I might as well ...
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0answers
13 views

Cannot boot into Ubuntu on HP Laptop

I installed Windows 10 on a single Hard Drive alongside with Ubuntu 18.04. I did a separate ntfs partition with GParted, I installed windows, I also installed boot-repair everything is good. Now I ...
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1answer
41 views

Was my bios updated? Scary two minutes with black screen, system beeps and total unresponsiveness

I'm on Ubuntu 18.04 with my Lenovo Thinkpad T460s. After an update a couple of weeks ago I did a reboot and I saw something which included the word "EFI" in the top left corner of my screen. Then ...
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1answer
143 views

Install Windows 10 alongside Ubuntu 18.04

I'm trying to install Windows 10 alongside Ubuntu 18.04 beacuse I want to try some games on my laptop, and then go back to Ubuntu. I have two USB Flash Drives, one with Windows 10 and the other with ...
0
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1answer
39 views

Surface Book Wubi Ubuntu 18.04 - Failed with grub boot loader configuration

I just used wubi to install Ubuntu 18.04 on my Surface Book that uses UEFI. During the installation, it said grub failed to installed. Then after I restart, I can no longer log back into Windows. I'm ...
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1answer
55 views

How to install Ubuntu 16.04 or 18.04 on Dell XPS

I am trying to install Ubuntu 16.04 or 18.04 on a Dell XPS 15 9560. For that I downloaded the desktop ISO and used dd to put it on a USB drive. When booting the laptop I use F10 to select to boot from ...
0
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1answer
47 views

system bootOrder not found on Lenovo T540

Upgraded my Ubuntu (with dual boot Windows) to 18.04 . After restart I got "System BootOrder not found. Initializing defaults." . Changing the BIOS bootorder to Windows as 1st works, of course, but i ...
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0answers
95 views

Boot problem after installing Ubuntu 18.04 beside Win 10

Have been searching and trying for some evenings now. Clearly not my core competence ;) The system is an HP Elitebook Folio 9470M It came with Windows 10; I installed Ubuntu 18.04 64 bits When ...
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0answers
16 views

Triple boot win10 ubuntu and OS-X (from Mac)

Hi everyone ı have a laptop with 256gb ssd and 1tb hdd and I want to install triple boot for computer Engineering and now i have already installed windows 10 on my ssd. but i have some questions first ...
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0answers
44 views

No boot device on dell laptop running ubuntu 14.04 after power loss

RI had a no boot device black screen after switching my laptop back on after several weeks. Following dell support instructions I went to the Bios menu (tapping the F2 key during the initial boot ...
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0answers
35 views

BIOS-loop after installing Ubuntu 18.04

I've recently installed Ubuntu 18.04 via Live USB but when I reboot the computer to complete the installation, this message appeared: After Clicking OK this other window appears: Rebooting the ...
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0answers
34 views

BIOS boot option has duplicates and keeps on changing

I dual booted Ubuntu on windows. Everything is working fine. Unless when I shut down Ubuntu, and try to restart I have to change the boot option from bias menu. It always changes to UEFI OS(P3: ...
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2answers
49 views

GRUB menu doesn't show Windows 10 in dual boot with Ubuntu (on separate drives) [duplicate]

I've searched around and not found anything quite like the issue I'm having. I have Windows 10 on an NVME drive and I want to install Ubuntu to a second SSD on the same system. I tried earlier and ...
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0answers
70 views

Failed to load image \EFI\ubuntu\grubefi: Volume Corrupt

Everything was working fine until today when I didn't get GNU GRUB and it automatically took me to Windows. I checked many articles and followed this one https://itsfoss.com/no-grub-windows-linux/ ...
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0answers
7 views

update-grub2 fails to find Windows 10 on HP Z820 Workstation

update-grub finds Windows 10 in the Linux Mint, but reports it as "EFI firmware configuration." Would be great if update-grub worked the same way on the same hardware. If anyone has a solution, ...
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1answer
49 views

Should I enable “OS Optimized Defaults” in UEFI when dual booting Windows and Ubuntu?

I want to use Windows 10 (64bit) and Ubuntu 18 with dual-boot on my Thinkpad X380 Yoga. (This is my first move into the direction of linux and the first time I am installing an OS by myself) First ...
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0answers
22 views

grub-efi-amd64-signed failed installation /target/

I know this has been asked before and know that I have tried to implement the advice from previous questions but it ain't workin. I have an MSI tomahawk b350 mb with UEFI. I have tried to boot ...
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0answers
24 views

Toggling Ubuntu bootable USB stick to toggle between UEFI and non UEFI?

I would like the ability to test store PCs for Ubuntu compatibility by booting them up with an Ubuntu 16.04 bootable USB memory stick. It is unknown (to me) if all or most new desktops are UEFI ...
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0answers
31 views

How to proceed from UEFI “Configuring Secure Boot” warning when installing NVIDIA drivers? [duplicate]

This is the issue that I am facing, please guide me on what to do next: "UEFI Secure Boot requires additional configuration to work with third-party drivers."
1
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1answer
53 views

update-grub command has no effect

After installing a Kubuntu on a second hard drive, it changed the boot order of my main hard drive GRUB and I can't change it back since. Any change to the grub configuration file (/etc/default/grub) ...
0
votes
1answer
31 views

UEFI and booting from USB

I would like to make a trip to Costco and verify that a desktop can boot from 16.04 & 18.04 before purchasing the machine. Although a link is provide to the target PC, I expect that there may be ...
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0answers
14 views

Installing ubuntu on DIFFERENT boot part, NOT alongside windows boot manager

I want to install ubuntu and create another efi part, but I can't do it easely I don't want have grub, which offers me to choose Windows boot or ubuntu I want to tap F12 and start ubuntu boot manager ...
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0answers
19 views

Grub Not Installing On EFI

To preface this. I have a 64-bit system. I am dual booting macos high sierra and windows 10 on one drive with clover, and on a second drive, I am trying to install Ubuntu 18.04. I got an error that ...
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0answers
22 views

How do I install rEFInd themes?

So, im pretty new to linux as I need to start using it next year in school. I dual booted my laptop and I wanted a boot manager (not grub) so I could switch elegantly between Windows and Ubuntu. But I ...
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0answers
16 views

not able to boot into windows tried boot repairer but no luck

I am using Ubuntu 18.04 on a HP ay503tx laptop. I'm not able to boot into Windows, tried boot repairer but no luck. While installing Ubuntu in my Windows laptop I got some efi partition error in ...
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0answers
196 views

Problem Loading UEFI:db X.509 certificate (-65)

file name: ubuntu-18.04.1-desktop-amd64.iso. currently windows 8.1 installed on my laptop. i am trying to install ubuntu from usb flash drive and created a bootable usb using rufus. when i boot from ...
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0answers
19 views

Ubuntu installation failed on Inspiron 7406 with pre-installed windows 10

I have try with all possible solution by googling to make my Inspiron 7406 14 Inch laptop dual boot with Ubuntu 18.04 and preinstalled windows 10, but unable to get the clean installation with dual ...