Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

0
votes
0answers
29 views

So did I delete my bios?

Ok first off, I know I made some dumb decisions, so no need to cover that ground. Late last night I finally decided to update an old PC from Ubuntu 14.x to the new Lubuntu 18.10. My boot drive is a ...
0
votes
0answers
9 views

Is there an easy way for converting a 1 disk ubuntu install to raid 1?

What's the easiest strategy to convert my ubuntu server with one drive into a RAID 1 system with 2 drives? There are plenty tutorials, but none of them describes how to do it with an uefi system ...
0
votes
0answers
13 views

need help installing ubuntu 18.4/recovring previous installation

During an automatic update on Ubuntu 16.04 LST with an update to Ubuntu 18.04 LST, I encountered and error which I have made worse by trying to fix. To summarize I have a "boot drive" /sda1 with 3 ...
2
votes
1answer
22 views

Ubuntu Desktop 18.10 UEFI grub not booting

My system had been fine till 18.04, with the new version 18.10 I am not able to see the boot manager on UEFI boot. With BIOS the boot manager shows up fine und system will go on to boot.
0
votes
0answers
15 views

Single drive with EFI partition + Linux filesystem partition TO 2 drives with Raid 1

I'm stuck here ... I'm trying to go from one single drive to a raid1 configuration in Ubuntu 18.04 server. I've read some step by step guides, but in those guides they don't mention an EFI partition : ...
0
votes
0answers
16 views

EDK2 Setup for ubuntu

I am working on EDK2 setup using following link.When I tried to use build command under folder ~/src/edk2 for OVMF firmware image creation I am getting below error: /home/sam/src/edk2/CryptoPkg/...
0
votes
1answer
32 views

where to find UEFI firrmware binary?

I am running Ubuntu 18. I am working with uefi secure boot. Where can I find uefi firmware binary file for ubuntu? I tried to find it on uefi.org link but coun't find it out on this link.
0
votes
0answers
34 views

UEFI Firmware Update Failed (18.04 dual boot with Windows 7)

Thinkpad X1 Carbon 4th, Windows 7 I just set up a dual boot with 18.04, and some UEFI incompatibility put me in limbo between OSs; I had to "try ubuntu" and use boot repairfor it to recognize the ...
-1
votes
0answers
19 views

How to tell Bios where my efi file is without me doing it myself

Aight so, i have an interesting problem, and it's happened 2wice however this time I got my computer to boot. the first time it happened, I reinstalled linux and that was the end of it. the second ...
0
votes
1answer
41 views

Can't boot Ubuntu installation from USB drive

I've installed Ubuntu on a USB drive using another Ubuntu Live USB. I've formatted that drive with a single partition and mount point /. The Live USB then fully installed Ubuntu there, and it ...
0
votes
0answers
29 views

Another instance of “grub-install: error: cannot find EFI directory.”

I get the error in the subject line whenever I try to update software packages in Ubuntu 18.04. The relevant lines are: Setting up grub-efi-amd64-signed (1.93.8+2.02-2ubuntu8.7) ... Installing for ...
0
votes
0answers
32 views

Black screen after reinstalling Ubuntu 16.04

I tried to reinstall Ubuntu 16.04 alongside Windows 10 in UEFI mode. An earlier non-accessible version of Ubuntu 16.04 (due to a grub issue) was installed in legacy mode over which I am trying to ...
0
votes
0answers
21 views

How to make secure boot using Grub2 and UEFI?

I am using micro computer embedded board.I am using ubuntu image for it. Recently I learn about UEFI for secure boot mechanism. How can I use UEFI with Grub2 in order to implement secure boot of Linux ...
0
votes
0answers
23 views

"The 'grub-efi-amd64-signed' package failed to install into / target/. Without the GRUB boot loader, the installed system will not boot [duplicate]

Latest Ubuntu install. Second USB I tried. I've used the same EFI partition before to install Ubuntu as a dual-boot with WINDOWS 10. I booted into Windows, cleared out the linux partitions, and wanted ...
0
votes
0answers
36 views

Installed windows 10 over ubuntu 16.04 and getting error while installing grub using live usb of ubuntu?

So i had my laptop with ubuntu 16.04 installed as a single OS in legacy mode and it worked fine . Now i tried dual booting it with windows 10 over Ubuntu 16.04 but i installed windows 10 in UEFI mode ...
0
votes
0answers
10 views

HP ProTab 10 EE G1, how to install Ubuntu

This was originally a windows 8 tablet, which was upgraded to Win 10. However, HP did not make it compatible with Windows 64 bit, so you can't use the Linux installers from the store. It also wont ...
0
votes
0answers
33 views

Grub problem deploying with MAAS

I'm working with MAAS trying to deploy Ubuntu 16.04 on my servers, actually it is working but not as I would like, I mean it deploys well but I have errors in my logs and Grub does not get installed : ...
0
votes
1answer
35 views

Ubuntu 18.10 GRUB2 wont recognize APFS filesystem

Is there any way for GRUB2 to recognize the APFS filesystem for booting? If not is there a menu entry configuration that would allow manual loading of macOS? Im suprised not to find anyone else ...
2
votes
1answer
63 views

Checking the whole disk health from Linux, including the Windows partitions

I have both Ubuntu and Windows installed. I was using Windows today and suddenly it crashed, so I rebooted and got a Reboot and select proper Boot Device message. I rebooted and finally got to ...
0
votes
0answers
30 views

Dual Boot Issues - Boot-repair problems

I messed up my boot/grub for this dual boot. I cannot reinstall ubuntu anymore (it can't find the mount point) and I have no boot-screen for grub, so I can't boot into anything except the live-usb ...
-1
votes
0answers
41 views

How to boot with USB (UEFI)?

i have Ubuntu and i want to install Win10 (dual boot). I made a bootable Windows USB, but i can't boot it: Ubuntu boots automatically. I tried to change the boot order, but there is an UEFI password (...
0
votes
0answers
41 views

Linux installation freezes

I have been trying to install different Linux distributions on my computer, yet the installation or the live try freezes after I either connect to the WIFI or once I choose the option of downloading ...
0
votes
2answers
87 views

How do I get my Lenovo 100S to boot from USB?

I cannot get my Lenovo 100S ideapad to boot from my Ubuntu 18 LTS bootable USB. The laptop currently has Windows 10 32 bit on it. After disabling secure boot in the EFI BIOS so that I could change the ...
0
votes
0answers
14 views

How to fix this? I accidently deleted lock file.!

sudo apt upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not ...
1
vote
0answers
11 views

Rebuild Boot Setup Bios in efibootmgr

Could you help me? I was trying to get delete an obsolete input from Ubuntu in bios through efibootmgr. I ended up deleting the bios / uefi setup from my samsung laptop and I can not recover it. I ...
0
votes
1answer
41 views

Booting issues after deleted Windows on dual boot system

I had a dual booted system with Windows and Ubuntu. I wanted to remove Windows so I deleted all the Windows partitions (Even the System Reserve) which in retrospect I shouldn't have(?). So now when I ...
2
votes
1answer
105 views

Ubuntu 18.10 installation fails: AMD-Vi Completion-Wait loop timed out [Ryzen 3 2200G + Radeon RX580]

Ubuntu 18.10 fails during installation (Try Ubuntu or Install Ubuntu). Below some of the possible relevant traces, some on them repeating themselves several times: AMD-Vi: Completion-Wait loop timed ...
1
vote
1answer
39 views

Ubuntu fails to install everytime while installing the grub can anyome shed some light?

I had a dual booot with Windows 10 and elementary, I also have a SSD in which windows 10 was installed and elementary was installed on a HDD. When I tried to install the new elementary distribution by ...
0
votes
0answers
38 views

Boot Repair issue - legacy and UEFI

http://paste.ubuntu.com/p/9zGkSgXvGR/ Hi, I am running Lubuntu 18.1 but have been experimenting with Tiny Core Linux. After running Tiny Core, I tried to boot Lubuntu as normal, but the machine ...
1
vote
0answers
23 views

*dual boot* windows didn't do anything after selected in grub

my problem prety much same like this thread *Grub* Windows 10 doesn't start anymore i've tried the solution on that post but i can't find any chainloader +1 there and if in my file is another ...
0
votes
1answer
49 views

Custom Ubuntu 18.04 LTS Desktop ISO won't boot in UEFI

So I've been banging my head against the wall trying to figure out what I'm doing wrong. I have 2 different machines I'm trying to get this to work on. A Dell Precision 5820 & a Dell Precision ...
0
votes
2answers
45 views

How to help Grub find Windows 10 Boot Manager?

I recently got a new laptop on which Windows 10 was already present. My laptop has multiple disks, one SSD and one HDD. Windows 10 is installed on the SSD. When I started installing Ubuntu on my ...
0
votes
0answers
23 views

Using 32-bit grub to boot an 64-bit image via ipxe (Mad idea i know)

I've recently bought a Windows tablet (32-bit UEFI and 64-bit CPU + using a usb-ethernet dongle). I installed Ubuntu 64-bit using this tutorial. Everything works perfectly fine. Now, I would like to ...
1
vote
2answers
68 views

Why do firmware updates not apply?

I cannot get firmware updates to apply on a Dell XPS 9360 running Ubuntu 18.04. Files are copied to the boot partition and found upon reboot, but the update does not seem to be applied after the ...
0
votes
0answers
27 views

how to remove a boot entry

What's wrong with my booting entries? My Ubuntu 18.04 was updated recently, after that it cannot boot into system, when swat the boot sequence in bios, using "DVD drive" & "harddisk" it shows no ...
0
votes
1answer
38 views

Ubuntu 18.04 LTS: NTLDR missing

Let me start by stating I'm not a computer buff so I'd greatly appreciate layman's language when you start pouring answers to my questions (!...) Also, I've been using Ubuntu in various versions for ...
0
votes
0answers
9 views

Tuxboot possibly modified the boot entries of bios of thinkpad

I made a dual boot system in my Thinkpad. One ssd for Windows and the other for Linux. I just pressed F12 during boot to choose which ssd to boot. After installing Tuxboot, it added a new entry “...
0
votes
0answers
15 views

18.04: Install hangs at “grub2” step

While installing 18.04 on a new Acer Aspire ES1-533 (formatted with UEFI, cannot change that :-( ), install locks at "installing grub2" as described in the problem above. Everything otherwise seems ...
1
vote
1answer
36 views

Installing Windows and Ubuntu

I have two question : First, if i want to install windows and Ubuntu on UEFI, the installation images should be boot into USB as GPT or MBR?(or i must use another method) Second, I have an 128 GB of ...
1
vote
1answer
55 views

Can't boot into Windows 10 after Installing Ubuntu

I had a Windows 10 Installation in Legacy BIOS Mode on my Primary Drive (125GB SSD) and a Secondary Drive (2TB HDD) as a Data Drive (Both Partitioned as MBR). I created a new Partition on my ...
0
votes
0answers
25 views

FRESH installed Ubuntu 18.10 boots to grub shell on EFI machine [duplicate]

New to Ubuntu, long time Debian user. I am giving Ubuntu a first try. I downloaded 18.10 and installed it on my Dell Venue tablet-PC. After installation, when I boot it up from SSD, I just get a ...
0
votes
0answers
92 views

Failed to open EFI\BOOT\mmx64.efi: Not found [duplicate]

I'm using Windows 10 and I want to dual boot with Ubuntu 18.10. I used Rufus to make Sandisk Cruiser Blade 16GB (USB flash drive) bootable. When I successfully booted into Ubuntu 18.10 for the first ...
0
votes
1answer
79 views

Ubuntu installation fails

Trying to install Ubuntu on this PC: ASUS Z77 Sabertooth Intel Core i7-3770 32GB RAM Image: ubuntu-18.10-desktop-amd64 Created boot USB on Windows using Rufus 3.3.1400.Tried [GPT/UEFI] and [MBR/...
1
vote
0answers
58 views

Force UEFI Issue for Installing Ubuntu 16.04 on Lenovo Legion Y730 - Windows 10

I am experiencing quite a few issues trying to install Ubuntu 16.04 LTS as a dual boot option on my Lenovo Legion Y730 laptop. It is my first time going through with an Ubuntu install so I've been ...
0
votes
2answers
82 views

How do I point grub back to a working Ubuntu (btrfs !)

I have installed a second Ubuntu on laptop that had already a MSFT Windows and a working version of Ubuntu 18.04. Upon rebooting, I realised grub did not show two but one Ubuntu. This new version ...
0
votes
0answers
14 views

18.4 RAID1 and /boot/efi

I'm installing 18.4 server and I would like to create a RAID 1 mirror. In order to provide fail over I would like either disk to be bootable. Using the manual partition tool to setup the RAID1 ...
1
vote
0answers
25 views

Dual Boot Windows 10 and Kubuntu - SATA AHCI vs RAID [error]

I dual installed Kubuntu on a computer with Windows 10, grub is on /dev/sda while the Windows boot manager is on /nvmesomethingsomething. To install it, I had to set SATA from RAID to AHCI in the ...
4
votes
2answers
753 views

Can't install Ubuntu 18.10 on XPS 15 - EFI\BOOT\mmx.64 not found

I tried to install Ubuntu 18.10 on my XPS 15 9570 earlier. Everything was working fine until I got to the partition selection part of the installation. That's when the installer crashed and I had to ...
-2
votes
0answers
42 views

Can Ubuntu 18.04 be installed along with the preinstalled UEFI? [duplicate]

I got a fresh Dell XPS 13 3970. I bought it with the intention to install Ubuntu. However, after exploring the preinstalled configuration I find the UEFI to be pretty good. It contains so much ...
0
votes
0answers
51 views

Gigabyte not able to boot. Stuck in Aptio setup utility

I have a Gigabyte P56 which has dual boot. Windows 10 came pre-installed. I had installed Ubuntu 16.04 and it was fine. Suddenly the system froze few days back and every time I try to boot it directly ...