Questions tagged [grub-efi]
Questions about using grub on EFI/UEFI systems relating to configuring, installing or removing grub from EFI/UEFI partitions.
613
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How to remove grub bootloader on a locked down laptop?
Ok so I installed ubuntu on a usb stick but it also put grub on my school laptop, I cant open diskmgt on windows, how can I delete the bootloader using linux?
The only thing I can think of is taking ...
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37
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Change the UUID which the system selects for root partition
After investigation, I realized the UUID of the root partition / was appearing at least in 3 different locations:
/boot/efi/EFI/ubuntu/grub.cfg
/proc/cmdline
/etc/fstab
How do I change the UUID ...
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32
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Grub Install erro r fixed but how to access Windows?
I tried to double boot install Ubuntu alongside Windows 10 on computer with Legacy boot. In Windows partition manager I allocated 40Gb free space and then procedeed with installing Ubuntu.
From the ...
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1
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66
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Installing ubuntu on a machine that is not listed on Ubuntu certified desktops fails
I am trying to install ubuntu 20.04.6-desktop-amd64 in an old pc (Lenovo ThinkCentre m73 tiny 10AX0053JP). I bought here in an auction site. I used rufus and had the partition scheme set to "GPT&...
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grub-efi-amd64-signed ... Sub-process /usr/bin/dpkg returned an error code (1)
I have xubuntu
Every time I install something, I get an error. I think it is relating to grub-efi-amd64-signed? I have tried to reinstall grub but that didn't help.
(I am not very experienced at all ...
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44
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Problem with non-mounting ZFS-pools at Ubuntu 20.04 boot
I‘ve got a HP-Notebook which ran out of power, cause someone unplugged the power cable, while the top was closed. So, when the battery got empty, the notebook quitted without someone taking notice of ...
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22
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Ubuntu Reset System loop, Boot-Loop
I installed Ubuntu on my Windows 10 computer and tried to set up dual boot, but after doing so, the message "Reset Systems" appeared in the top left corner of the screen and the computer ...
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16
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Grub Menu not showing what to do?
I have HP desk G3 400 mini and i forgot the password and i am not able to reset it through the grub menu because i never am able to get during the boot, if i try using the terminal its asking me the ...
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158
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Grub error message on boot
I followed this guide to get rid of an annoying 40 second white screen delay on my MacBook Pro (MBP5,2) during boot. As a TL;DR it involves deleting Ubuntu's /boot/efi partition and then recreating ...
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22
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Dualboot with windows 11 and ubuntu boot issue
I am Using Lenovo laptop with i5 Processor.
I kept dual boot with windows 11 and ubuntu. sometimes while booting into ubuntu screen stuck with data like below.
installed Ubuntu details:
Distributor ...
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50
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Kubuntu installation failures onto eMMC and/or SD card
I have an Acer Spin 1 sp111-31 c3b3 I'm trying to breathe some life into.
I have already wiped windows from it through the numerous attempts I've made to install Kubuntu. This will not be a dual boot ...
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36
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grub minix* and usb* modules necessary?
Whats is the purpose of many minix*.mod inside /boot/grub/x86_64-efi/ ?
And
Can i get less input lag deleting grub USB modules like ehci.mod, uhci.mod, ohci.mod, usb*.mod and disabling /boot/efi ...
- 87
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29
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Grub not showing, i've tried everything
i just installed a dual-boot with windows 10 and ubuntu, but instead of grub it just boots straight into ubuntu i've already disabled the hidden timeout, and the bios boots into grubx64.efi
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Problem updating Xubuntu 22.04 [duplicate]
I don't know if it matter but I use xubuntu 22.04
user@-HP-PAVILION-ULTRABOOK-14-B060BR:~$ sudo apt update
[sudo] password for user:
Hit:1 http://br.archive.ubuntu.com/ubuntu jammy InRelease
Get:2 ...
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51
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Installing from Live USB is successful, but then generic Boot Menu doesn't start the OS
Lenovo Thinkbook 14 given to me originally because original owner had deleted all partitions with (OEM Windows 10) and installed Linux Lite which was successful, but friend could not learn how to ...
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41
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Where is efi files after installation without EPS partition?
I have it to fast and the default ubuntu-22.04.1-server installed.
Booting is good. I've read before that ESP is required as standard. Now, i will try to found efi's files...
Does anyone have any ...
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1
answer
565
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windows 11 and ubuntu 22.04 dual boot problem
My laptop used to dual boot normally, but after I updated windows 11 yesterday, the laptop does not allow me to select the OS to run. It starts straight to windows 11. I tried this but couldn't solve ...
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79
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GRUB tries to boot Microsoft Reserved Partition after moving EFI partition
Recently Ubuntu Studio gave me the warning that root filesystem has low disk space. So I shrank the major C: partition of Windows and moved all partitions to the left so that I can extend the size of ...
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1
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99
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I installed Ubuntu 22.10 on the partition where I had Fedora 37
I installed Ubuntu 22.10 on the partition where I had Fedora 37. It still shows Fedora logo on boot and when I hold shift it opens Fedora's GRUB menu. I have to go to Boot options to open Ubuntu. How ...
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209
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Cannot repair boot with Boot-Repair into Ubuntu 22.10
I have accidentally deleted some files on my Ubuntu 22.10 (bin, lip, sbin). Then I restarted my PC and it is not booting anymore. I have inserted an old bootable Ubuntu 22.04 and install boot-repair, ...
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75
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How do I point the boot loader to the .efi file indicated by Boot Repair tool
I ran the Boot Repair tool for Ubuntu and it informed me it corrected my boot issue and reminded me to point the boot loader to sdb1/efi/ubuntu/grubx64.efi.
How do I actually do this?
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1
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49
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Can't get nice boot loader screen
I'm following the instructions here, with Ubuntu 22.04 LTS, and have / have executed the following in /etc/grub.d:
Steps 1 - 3: Ok
Step 4: linux_10:
Open /etc/grub.d/10_linux and search for (towards ...
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25
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How to boot Ubuntu 22.04.1 as read-only? [duplicate]
Trying to figure out how to boot Ubuntu 22.04.1 installed to internal SSD as read-only (similar to Tails).
- 131
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Ubuntu is not opening after removing windows from laptop
Ubuntu is not opening after removing Windows from the laptop.
I cannot see grub and the only thing on the screen is: Reset System. Please help me with this.
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56
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Ubuntu shows "no bootable device" all of a sudden
All of a sudden, on a good morning my ubuntu Acer Aspire E5-575 series PC was displaying "no bootable device" yet it has the ubuntu loaded HDD that was working the days before. Tried ...
- 51
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51
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How to boot into ubuntu without having to type exit wice?
Apologies in advance and I'm not an expert and I've got access to a machine previously configured without a lot of context.
I know it used to have windows but unsure it currently still has it.
I know ...
- 101
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67
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Boot to USB from Shell?
I can't boot into the OS (I'm getting Oh no! Something went wrong.). I can boot into grub (and edit grub to open shell), or boot into recovery and open shell from there. Normally, I would just boot to ...
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136
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Boot-repair tool tells me Legacy mode compatibility (CSM) is turned off, but the ASUS bios tells me it's on
After a mistake on my part during an Ubuntu reinstall, I lost my legacy windows boot.
I tried to get it back with boot-repair, who does see the windows session, but tell me to activate CSM.
I did, and ...
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97
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How to remove extra kernels from Ubuntu22.04? [duplicate]
I have so many GRUB entries, how can I get rid of all but one?
I want to use only one bootloader entry.
Also, there is a bootloader of a Windows installation when it is actually installed on another ...
- 143
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38
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Dual Boot Ubuntu Problem/WIn 11 have to reinstall grub everytime
I recently installed Ubuntu 20.4.3 alongside Win 11. My hardware is a MSI GP66 HX, I7, NVIDIA 3070. After the install everything appeared fine however, after rebooting and selecting ubuntu in the GRUB ...
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1
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886
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Ubuntu 22.04 on BIOS boot errors during apt upgrade because of grub-efi-amd64-signed
I have a remote Ubuntu server running for a few months with no problems. And just now, during an apt full-upgrade, I got these errors:
Setting up grub-efi-amd64-signed (1.182~22.04.1+2.06-2ubuntu10) .....
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1
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2k
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errors encountered while processing update
On a brand new server I am trying to run the update and upgrade but I get 2 packages popping out an error.
Specifically:
~ # apt update && apt -y upgrade && apt -y install curl wget ...
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735
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grub held back from update for weeks
the two packages "grub-efi-amd64-bin" and "grub-efi-amd64-signed" have been held back from being updated(upgraded) by apt for more than a week now maybe two weeks.
sometimes when ...
- 157
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dpkg: error processing package shim-signed (--configure): Errors were encountered while processing: grub-efi-amd64-signed shim-signed
I get the below errors when I hit sudo apt upgrade. I am unable to fix the error. Any help, please?
root@Ubuntu-2204-jammy-amd64-base ~ # sudo apt upgrade -y
Reading package lists... Done
Building ...
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1
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591
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Unable to install GRUB in /dev/nvme1n1 grub-install failed
I had already installed Ubuntu 22.04 in /dev/nvme1n1 before but due to my incorrect fiddling with the wrong NVIDIA drivers I got the system unstable so decided to reinstall it. In /dev/nvme1n0 I have ...
- 333
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50
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Two grubs on one install of Ubuntu?
I recently installed ubuntu 22.04 on a new Intel NUC. I created a Fat32 boot partition, and a pv for an LVM with mount points for root, etc, usr...et al. The install went fine and the machine boots. ...
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1
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89
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How can I have two Ubuntu installations, one with full disk encryption?
I want to fully segregate my work and personal OS, so I have installed two disks in my PC, because my work demands full disk encryption.
I have successfully installed Windows and Kubuntu on the one ...
- 773
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90
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Having problems making GRUB work
I have a laptop with Kubuntu 22.04 and 2 SSD: an NVME on which I installed Kubuntu and another 1TB SATA. I wanted to make it also run Windows10, so I created a partition on the 1TB SSD where I ...
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1
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1
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45
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Forgot Ubuntu Password [duplicate]
Device : Thinkpad X250
Distro : Ubuntu 20.04 ( the latest one)
So the problem is, i accidentally delete the username and password via /etc/passwd. I have 2 user, my main User Account is that i deleted....
- 11
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49
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Bootable Usb image from Iso
I've been trying to follow the directions listed here to create an installer usb image from an iso file using gnome-disks 'Restore Disk Image' option as detailed in the directions. However, the usb ...
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509
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Can't boot into safemode to fix graphics
Just installed 22.04 on a new machine with a 5700g and I get a black screen once it boots. I was only able to install by launching the installer through safe mode.
Problem is, I can't get into ...
- 131
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6
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16k
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Impossible to update UEFI dbx
My Ubuntu (20.04) Software is prompting a new firmware available: UEFI dbx 77--> 217 (?), but when I try to update I receive the following error message:
Impossible to update UEFI dbx.
Blocked ...
- 577
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127
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Can't boot into Ubuntu 20.04 — EFI partition problem?
I have an Ubuntu 20.04 machine whose main internal drive has 3 partitions:
/dev/nvme0n1p1, EFI system partition, fat32, 512 Mb
/dev/nvme0n1p2, unlocked ext4 partition, 732 Mb
/dev/nvme0n1p3, ...
- 31
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1
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66
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Unable to update due to grub problems
I'm trying to update Ubuntu, and each time I get an error because of the grub. I'm fairly new to Linux systems, and my attempts to update files, reinstall packages, or edit the files (undoing each ...
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31
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grub menu vanish with login to ubuntu and just run ubuntu
I installed ubuntu 22.04 yesterday but face with a problem. I have ubuntu boot in bios options and windows boot and one another on HDD that while I installed ubuntu choose that HDD as boot option.
...
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33
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Skip Grub installation
Is it possible to skip grub installation during the installation process of Ubuntu Server 20.04 and install it manually later after installation?
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512
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Can't access grub on Ubuntu HP laptop
I have a HP laptop with only Ubuntu in it and I want to access grub. When I spam Shift nothing pops up. When I click Esc I get to HP BIOS/UEFI. What can I do?
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230
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Encrypted Ubuntu won't boot: "Malformed Security Header"
I installed Ubuntu by following the guide at https://help.ubuntu.com/community/Full_Disk_Encryption_Howto_2019 and the installation worked very well for months.
However after applying Windows 10 ...
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2k
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GNU Grub error page whenever I boot : Minimal Bash-like line editing is supported
I am a new Linux user. I am facing problem in booting my PC when I installed Ubuntu 20.4 along with Windows10 dual boot.
Now when I start my PC there is GNU Grub page opens with this message: Minimal ...
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114
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Can't boot Ubuntu or Windows (dual boot) after BIOS update
I have dual boot Ubuntu and Windows 10 on HP Pavilion. When I tried update BIOS (update downloaded from official HP website). After that I couldn't boot neither Ubuntu or Windows so I tried to use ...
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