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Questions tagged [grub]

GRUB is the GRand Unified Bootloader, a BootLoader that can be used to boot most operating systems.

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Grub appeared out of nowhere. How do I remove it?

I installed Juno a couple weeks ago on a new laptop. I have elementaryOS on one hard drive and Windows 10 on a second hard drive -- no partitioning, just physically separate drives. When I initially ...
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Grub2 unknown filesystem after apt dist-upgrade

Yesterday I did a apt dist-upgrade on my Juno installation. This morning I found my PC unbootable. Since I couldn't find a fix for it, I started to reinstall my system. After a clean install (on a ...
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Problem with installing Grub, after eOS installation.

so i was trying to install elementary OS Juno on my laptop Lenovo ideapad Y700-15 isk and i had problems with Grub installation after whole process which made me unable to boot up eOS. I had same ...
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Hibernated Win7 and broken Grub

I have messed up my installation. I had Win7 paralel with elementary Loki and attempted to owerwrite it with elementary Juno. I think I hibernated Win7, I guess that was stupid. Without full ...
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Can't add Windows 10 to GRUB after installing Juno

I used to have my main disk with Elementary have Windows 10 (which is on a separate SSD) as an option on GRUB on Loki. I have just updated to Juno, but now I can't seem to add Windows 10 to the boot ...
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Juno keeps booting into a blank screen

I've got an new installation of Juno, but since I installed the proprietary nvidia driver 396, Juno goes black/blank after the initial splash screen. Loki functioned fine. The odd thing is, that ...
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30 views

Hwmatch.mod gets deleted

After fixing grub boot menu on Juno by copying hwmatch.mod from "/usr/lib/grub/i386-pc/hwmatch.mod" to "/boot/efi/efi/ubuntu" via live USB, I got the grub screen showing for 1 session then hwmatch.mod ...
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Grub issue after installing Elementary alongside Windows 10

Asus Z97-A motherboard, secure boot off. Installing eOS on a dedicated SSD. Windows resides on another separate SSD. Other drives around which contain data. First install would copy the files then ...
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Trying to install elementary os on aero 15x is it possible?

I'm trying to install elementary os on my brand new aero 15x i suspect there is a malfunction between my 1070 max q card and the integrated graphic because the system wont boot after install and stuck ...
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1answer
39 views

How can I copy the /boot/ folder and it's contents from the live USB to sda1?

I made school boy when trying to follow the instructions for making a bootable SD card for ArchARM. I think I have either overwritten the boot folder on my primary partition with the ArchARM files or ...
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Elementary os gnu grub error on hp

I installed elementary so on my computer I loaded it up worked I decided that I was going to erase Windows and use elementary OSN instead I followed all the steps but when it rebooted I got the Gnu ...
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23 views

Fresh install, cannot log in

I have installed Elementary but cannot log in. The error message that I get is 'Error invalid extent Error you need to load the kernel first. This is my second attempt and I got the same error message ...
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Grub not showing anymore on macbook pro

I successfully installed Elementary OS (Loki) on a MBP 15"(MacBookPro8,2) alongside OSX 10.7 and another installation of Sierra. On startup I would get a screen with the 3 options,for each os. All ...
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63 views

Loki 0.4.1 dualboot with Fedora on LVM

I have installed Elementary OS on my LVM partition alongside Fedora. Since I already have a boot partition with grub installed I skipped the boot-loader installation by running the ubiquity installer ...
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os-prober doesn't see my m.2 ssd

when i run fdisk i get the following christian@DixieFlatline:~$ sudo fdisk -l [sudo] password for christian: Disk /dev/nvme0n1: 232.9 GiB, 250059350016 bytes, 488397168 sectors Units: ...
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i deleted all linux images and the main file system is not properly mounted to live usb /mnt

my problem is exactly same as in https://askubuntu.com/questions/28099/how-to-restore-a-system-after-accidentally-removing-all-kernels except that i'm using elementary os based on ubuntu 16. i tried ...
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31 views

Dual Boot with Windows

I tried to install as a dual boot with Windows 10. The install went to the point where grub 2 tried to install and failed. I was able to install Ubuntu and grub 2 worked. Ideas?
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400 views

elementary OS won't boot: displays “reboot and select proper boot device”

I'm installing elementary OS on a Toshiba Satellite l15-b1330 laptop; this laptop was slow with W10 on it, so I opted to format the drive completely and run only elementary OS. However, the ...
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1answer
100 views

Fresh install and secure boot not working on a Thinkpad

I spent the whole night, testing several installation, mokutil and efibootmgr. But grub does not load when secure boot is enabled (I am stuck on the EFI boot device selection and cannot load the disk)...
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142 views

Problem when I try to boot Elementary OS

After I installed Elementary OS with dual boot (also have Win 10), whenever I try to boot Elementary a message appears saying NTFS5 : no eosldr and then this: I need some help!
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1answer
107 views

Missing OS on e OS mac USB install

Re: elementaryos-0.4.1-stable.20170814.iso mac etcher-1.1.2.dmg Hi Shasum zero[d] referenced image file, but elementary OS installer could not install grub correctly on the target USB drive, ...
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1answer
647 views

Slow boot after reinstalling GRUB

I recently installed ElementaryOS Loki 0.4.1 in my SSD on top of an old Windows 10 dual-boot with Ubuntu 17.04 setup. Ubuntu was in my HDD, so GRUB detected it and included it in the OSes list after ...
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1answer
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I have an issue installing Loki on a MacBook pro from 2008

I Just donwload the elementary iso (the latest), flashed on a Usb with rufus, and try to install on my MacBook pro from 2008. It has a intel 2.4ghz Core 2 duo, GeForce 8600 gt and 4 gb ram. Aparently ...
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How do you access the command line boot menu when not dual booting?

Elementary OS is the only OS I have installed on my laptop. So I don't get a GRUB boot menu. If I need to boot to the command line I typically hit E when the boot menu shows up, but since it goes ...
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1k views

Unable to boot into Windows

I'm new to Elementary. Initially I had Ubuntu 14.04 LTS along with Windows 10. I wanted to remove Ubuntu and install Elementary OS. So, my friend ran sudo rm -rf / --no-preserve-root and then it ...
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Bios setup for grub is removed every time I boot Windows

I installed elementary os and Windows in a dual boot configuration and both boot without errors from grub. Howewer, every time i run Windows the boot setting for elementary is removed from boot menu ...
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2k views

Sudden boot failure. Black screen

I would greatly appreciate help or advice on the following issue \ as I am totally stuck. I have been using Linux for a long time but I am a biologist. So deep down my knowledge on how works a ...
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1answer
229 views

Using elementaryOS with systemd-boot

Situation: I want to change my bootloader from GRUB2 to systemd-boot as it is faster and more lightweight. Problem: I do not know where to start. Question: How do I change my bootloader from GRUB2 ...
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791 views

Grub doesn't show at start up

Recently, installed Loky in dual boot mode with Win10 in my laptop. The installtion seemed to run ok. When the install program requested to restart, I did it, but the grub bootloader didn't show up, ...
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2answers
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elementary OS 0.4 Loki, How To Edit Grub

I am a new user of elementary OS, but I have messed around with various different Linux distros for s few years. My question is quite simple, I need to change the Grub menu to have a different OS (...
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2answers
2k views

Troubles installing Grub in UEFI mode

A few days ago my new Dell XPS 15 9650 arrived. So far I managed to get only Windows 10 to install, but I really want to use elementary instead. After two days of fiddling around, I finally give up: ...
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511 views

mkusb persistent live boot configuration

I use MKUSB and it works brilliantly for eOS Loki persistent live. However, I cannot work out how to edit the boot menu... I can't find grub.cfg (which I've done before, but not on a MKUSB ...
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Can not install loki :( Clicking with touchpad or mouse does not work Alienware 13

I used to have loki installed from the initial release, and it worked fine until my motherboard failed, had to send it in for repair...came back with my installation or at least the boot manager gone. ...
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180 views

Can't boot Windows 10 or mount partition after Loki install

I had a Windows 10 installed on my machine, then I wanted to install elementary OS Loki. I had a couple of partitions, one for the Windows Loader, one with all my data (~100GB), a swap, and I ...
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149 views

Difficulties creating USB stick that boots and installs on MacBook circa 2007

I am having difficultly trying to install Loki on my MacBook circa 2007. Firstly following the instructions and using Etcher to burn elementaryos-0.4-stable-amd64.20160921.iso I created a USB stick ...
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95 views

How to re-install windows without breaking my eOS

I would like to install Windows 10 in my second partition, but I don't want to break my ElementaryOS install. I have all ready break my windows install (yesterday) so I don't want to make mistakes. ...
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Verbose boot up

When I first installed eOS the boot up was 'silent' ie no screen activity until the log-in screen was reached. Now it gives a verbose list of everything that's being loaded which is not a serious ...
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2answers
202 views

Can't get a grub prompt or menu on boot

I'm running ElementaryOS Loki on a MacBook Pro which was previously running OS X 10.11.5. Now, I want to boot something (another Linux) alongside Elementary, but I can't figure out how to set up grub, ...
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777 views

Screen Just blank when selecting “install elementary os”

Screen Just blank when selecting "install elementary os" in EFi mode, when i try to install from bios mode just the white courser is blinking.
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1answer
185 views

Problems intalling Elementary OS on a MacBook 4.1

I have a MacBook 4.1 (the black one) and I'm trying to use it again with elementary OS Loki. I manage to make a USB Bootable, and now i'm trying to install the OS. I want to make Elementary my ...
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2answers
433 views

Elementary OS doesn't recognize my partitions

I know this question has been asked like a million times, but I am yet to find an answer. I have Windows 7, though my computer itself came with Ubuntu(Dell). I didn't have much experience in it, so I ...
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3answers
3k views

“unable to install grub in /dev/sda. This is a fatal error.”

I have been trying to install Elementary OS 0.3.2 alongside my Windows 10 install. I have my windows 10 on my 120gb ssd and I am trying to install Elementary OS on another 250gb HDD. First I copied ...
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2answers
183 views

Double Grub boot

after doing a clean install of Elementary OS, i got the Grub boot loader. So i thought, i get rid of the whole installation and do a full clean reinstall. And now i have a double Grub boot loader. On ...
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2answers
686 views

Grub prompt after Installation

Installed elementary OS to dual boot with Windows 8.1. After the request to reboot there is only a grub prompt. Now I cannot access Windows. Any solutions to allow access to Windows? And elementary ...
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1answer
326 views

Is there an elementary OS OEM install mode?

I booted elementary OS to a usb via rufus. I booted it onto my laptop and held shift. At the menu, f4 mode only showed normal.
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1k views

How can you install elementary OS without installing the bootloader?

I want to install eOS but i already have an Arch install with grub2. Can i skip eOS's grub installation and use my existing one?
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how to get the grub menu to show when starting computer

elementary OS works but only when i go to advanced startup, i can access it from there. On startup, the grub menu doesn't appear - it goes straightaway to windows 10. is there a way to show the grub ...
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2answers
1k views

kernel panic-not syncing: VFS: unable to mount root fs on unknown block(2,0)

I have recently tried to install Elementary OS in order to replace Windows 7. My process was the following: Back up files one external hard drive. Create bootable Elementary OS USB using Universal ...
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1answer
588 views

failed to install grub-install dev / sda [duplicate]

I decided to go to the Elementary, but installation issues "critical error", saying "failed to install grub-install dev / sda" (not literally wrote). How to fix it can be. Notebook Asus K56CB. Mount ...
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2answers
234 views

No OS found after installation from LiveUSB

I just tried to install ElementaryOS on my HP Probook. After the installer finishes, it reboots my computer, like normal. However, it does not boot upon restart. Instead, I get a black screen with ...