GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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Ubuntu 16.04 Complicated Interface Names

I'm trying to figure out how to restore the simple interface names in Ubuntu 16.04. I.e. enp3s0 renamed to eth0. I have tried to modify the GRUB configuration. I have tried editing /etc/udev/rules.d/...
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1answer
70 views

How to hide grub unless key is pressed?

I have 2 OSs Windows 8 and Kubuntu 16.04. Kubuntu is my primary OS. I would like my laptop to boot directly into Kubuntu, unless I press SHIFT key during boot to make Grub menu visible. Again. I want ...
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44 views

Boot-Repair: “core.img can not be found”

Upon installation of Ubuntu 16.04, and two reboots, my computer fails to boot into Ubuntu. It gives me the message "Reboot and select proper boot device or insert boot media in selected device and ...
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1answer
58 views

how to transfer hard drive from on pc to another, HDD contains grub (dual boot win10 and ubuntu gnome)

I need to transfer my SSD that has dual boot Windows 10 and Ubuntu Gnome 3 to my secondary PC. I tried to simply take the disk out and put it in that secondary pc but than I'm having problem loading ...
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1answer
20 views

Ubuntu 14.04 BIOS skipping and cannot change display settings

I just started having a couple of problems with Ubuntu that occurred at the same time, which makes me thing they are related. I dual boot into Ubuntu and Windows and all of a sudden my BIOS screen ...
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11 views

Ubuntu cannot boot through logical UEFI partition. But boots fine through primary partition on external drive

recently I installed Ubuntu on UEFI mode to see how it boots. I however, could not get it to boot through UEFI on a Logical EFI (a small FAT32 partition with the boot flag on) partition on the HDD. In ...
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27 views

Enters Grub Rescue on boot [duplicate]

When I boot up my Ubuntu laptop, it always boots into Grub Rescue that I have absolutely no idea of... Can anyone help me? Thanks
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0answers
21 views

Shutdown Freezes on Ubuntu 14.04 (2015 Macbook Pro Dual-Boot)

I recently did a dual-boot on my 2015 Macbook Pro Retina. I opted not to use rEFInd, instead selecting sda1 (/boot/efi) as the mountpoint for my boot partition. I cannot shut down my computer without ...
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1answer
24 views

Recovery Windows boot entry

so I had Windows 10 in my laptop. I decided to install Ubuntu having a dual-boot system. For some reason I thought it would solve some issues I was having (not relevant for this case) if I formated ...
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1answer
39 views

Ubuntu installer freezes while installing grub2

I am trying to install Ubuntu desktop on my pc. During the installation, the installer freezes when installing the grub2 package. I have retried several times and it gets stuck in the same spot every ...
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31 views

Multiple active partitions error while booting full Ubuntu from USB on different computers

I followed exactly everything listed in this guide to install complete Ubuntu onto my 32gb USB Install Ubuntu directly to USB Then I restart my laptop, pressed F12 and I see another option named "...
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2answers
38 views

Ubuntu messed up my Windows 10 boot

I booted a Ubuntu 16.04 Live USB and installed onto an external HDD. In the partitioning step I had it install grub to the external HDD, not my internal Windows 10 HDD. But when I rebooted the ...
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1answer
43 views

issue setting a password before erasing ssd in what seems like the proper way

I think I've reached the conclusion that I need to format my ssd-drive. What I believe has happened is that once I updated my antivirus-software to the latest version it somehow detected that the copy ...
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1answer
31 views

How can I remove ALL grub2 files and reinstall them? In other words, reset grub2?

I have been using Grub-Customizer ever since I've had Ubuntu, but I've noticed it having more and more issues lately. About two weeks ago, I reordered the grub entries and put them in sub-menus using ...
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1answer
50 views

How do i handle issue with GNU GRUB?

What happened is that i was trying to install gfsview on ubuntu 12.04, for that it was asking for dependencies like libgtk etc. When i did install for dependencies it asked for ifupdown and as i was ...
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0answers
187 views

Ubuntu Kernel problem

I'm having troubles to boot my fresh Ubuntu 16 installation. Installed kernels: 4.4.0.24-generic 4.4.0.22-generic 4.4.0.21-generic Here are the results when booting from any of these kernels: ...
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0answers
39 views

ALERT! /dev/mapper/edbunto--g-root does not exist Error. Dropping to a Shell! [duplicate]

So I am stupidly new to Linux, like I wasn't even the one who installed it unto my computer. I'm am using Ubuntu as the Linux software and I was tinkering around when I found something called Disk ...
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1answer
48 views

How to move GRUB from the MBR to another partition?

So, I'm fairly new to Ubuntu. My current set-up is dual booting Windows 10 and Ubuntu, what I want to do is move the GRUB from the MBR to another partition so I can encrypt the Windows 10 partition ...
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0answers
29 views

Switch Grub bootloader partition

I've installed Xubuntu 16.04 as a dual boot to test something. As i restarted the PC i had the options of the bootloader from Xubuntu but i want to keep the options from my mint system. I remember ...
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49 views

Grub 2 install error: grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist.

I am trying to install grub2 from a live CD of lubuntu 16.04, I am following this tutorial, after I mounted the /dev/sda1 in the mnt folder using this commands sudo mount /dev/sda1 /mnt sudo mount /...
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0answers
49 views

Problems installing Windows 10 after Ubuntu

I know that the recommended way of dual-booting is Windows first, Ubuntu second but when I purchased my computer, I got fed up with Windows' crap way faster than I expected so I impulsively clean ...
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0answers
13 views

HELP! Can't boot PC. Ubuntu Bootloader Help

Installed Ubuntu on a partition on my HDD and put the Bootloader on the SSD. Whenever the PC starts up I get "Minimal bash line editing is supported". Can't type anything. Eventually, got my PC to ...
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1answer
53 views

Install Ubuntu to usb drive and boot it to Uefi and Bios system.

So I'm totally new to linux. I don't want to install to my internal HDD. So I've been trying to install it independently on a usb so i can boot it on any pc (UEFI or BIOS). So i created a live usb ...
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1answer
48 views

Ubuntu 16.04 does not boot correctly from Toshiba Notebook (EFI)

Some weeks ago I installed Ubuntu 16.04 on my Toshiba P50t-A Notebook on a SSD (planned as Dualboot, so created all necessary partitions with gparted and some adjustments with cgdisk in cases where ...
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2answers
34 views

error no such partition. Grub rescue mode [duplicate]

I want to remove the ubuntu operating system from my laptop so I formatted the ubuntu drive (previously had dual booting) But now I run in grub rescue mode. I checked the other forums and tried the ...
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22 views

Could not multiboot ubuntu yosemite

i'm trying to multiboot ubuntu and mac os (yosemite). First i installed mac os then ubuntu,while updating the grub the mac os is not shown, but boot flag is set in the partition where mac os is ...
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20 views

Ubuntu failure to load/boot on Win 8.1 laptop

I am attempting to install Ubuntu 14.04.4 on a laptop that originally came with Windows 8.1. I wiped the disk and manually set up UEFI partition first, as followed by one at /, then /home, then a ...
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2answers
53 views

How to fix GRUB [duplicate]

I have Ubuntu 14.04 dual boot with Windows 8 So I decided I need to reinstall Ubuntu to increase its space. I went to Windows 8 and deleted the Ubuntu partitions and now I can't turn on my computer ...
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36 views

Can't boot Windows 7 after installing Ubuntu - confusing partition layout

Yesterday I made a 20 GB partition on my win7 drive, and started installing Ubuntu on it from a USB drive. The installation had just broke, computer restarted and I got a message Your boot files are ...
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0answers
40 views

Installation failure: Can't access bios [closed]

I tried installing Ubuntu 14.04 parallel to my Windows 8 on a different partition using a bootable USB drive. The installation stopped while working on something with grub, so I restarted my computer. ...
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1answer
90 views

Issue with ubuntu/linux boot and grub [closed]

I have a windows box that I wanted to trial Ubuntu with. So using two usb sticks I used one stick as a Ubuntu installer and installed it onto the other stick. I changed the bois to boot from usb ...
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0answers
26 views

SeaBios overrides boot; Error: no bootable device

So I did all the steps to dev on my acre 15.6 chromebook, installed this, and reset. The moment I reset, SeaBios pops up and says no bootable disks found. I assume that my entire disk has been wiped ...
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1answer
148 views

How to install Ubuntu 16.04 Server from USB drive?

I'm looking to create a folder of ISO files on the my USB drive & access them via the GRUB menu for installation on various machines. So far, the Desktop editions of Ubuntu have booted ...
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0answers
23 views

Invalid arch-independent ELF magic [duplicate]

After installing Xubuntu 16.04, on the first reboot I got the invalid arch-independent ELF magic message and computer is sitting in grub-rescue prompt. This is a Dell Latitude E5510 that previously ...
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49 views

Encrypted drive boot failure - root and/boot not mounted

I've got an Ubuntu 14.04 system with two LUKS encrypted disks fortuantely the older disk is bootable, because as of today the newer one isn't. After some updates, including initramfs-tools, boot now ...
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3answers
105 views

How do I uninstall Ubuntu [duplicate]

I'm currently dual booting Ubuntu and Windows 8. Ubuntu is pretty much broken, and everywhere I've looked doesn't have a solution, so I wish to uninstall it. I read that it's possible to uninstall ...
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0answers
29 views

Run Ubuntu 16.04 with RAID0 on XPS15 (dual boot with Win10)

First, I'm very new to linux :). I've just received a dell XPS 15 9550 running with Win10. I've decidedto jump ahead and install a dual boot Win10/Ubuntu 16.04. I've used a Live USB. Everything works ...
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2answers
98 views

How to dual boot Windows 10, and Ubuntu on a HP Pavilion G6?

I've been trying to set up a dual boot with Ubuntu on my Windows 10 HP Pavilion G6 Laptop for a couple of days now. I've followed countless tutorials, on here, and on Google. I manage to install ...
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0answers
19 views

grub menu doesnt appear after dual boot with windows 10

i installed ubuntu 16.04 alongside windows 10. it worked fine and i could even see ubuntu and windows in efi mode in boot manager. But once i rebooted it is directly loading windows 10. I tried all ...
2
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0answers
35 views

Lost Password in Ubuntu 16.04 [duplicate]

I installed Ubuntu 16.04, encrypted home directory. Jotted down system info including password, etc., in a document which will presumably be in /home/mike/somewhere. Hadn't printed the file to ...
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0answers
31 views

How to restore kernel in 16.04 LTS? [duplicate]

I accidentally removed the kernel from my Ubuntu 16.04 LTS while trying to update it. Now when I start it up, my Grub2 doesn't show Ubuntu as an option anymore. So I boot up the Live USB drive and try ...
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1answer
30 views

GRUB Bootload Default

I installed SteamOS in a dual boot with Ubuntu 14.04 (I had Ubuntu before SteamOS) and my GRUB Boot loader switched over to the SteamOS version. I preferred the Ubuntu one because it was easier to ...
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43 views

plz someone ..how to fix this

Actually i was about to delete partition for Ubuntu but I think I deleted my windows 10 o.s too. Now when i open my laptop it says GNU GRUB Version 2.02~ beta 2-29ubuntu0.3 Minimal BASH-like line ...
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0answers
41 views

Installing GRUB on a separate disk using Boot-Repair; EFI partition not found

Here's what my set up looks like: Booted system - An Ubuntu 15.10 live USB booted in UEFI mode /dev/sda - A 1TB HDD with Ubuntu 16.04 LTS installed /dev/sdb - A 120GB SSD with a 1.5GB EFI ...
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1answer
73 views

Gnu Grub menu does not recognise my MS Windows installation

I had dual boot set up with my previous Ubuntu installation which allowed me either to use Windows XP or Ubuntu. This worked successfully. I have upgraded to Ubuntu 14.4. The new Gnu Grub menu does ...
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1answer
76 views

How can I get an iso image to boot from Ubuntu 16.04 grub 2 menu?

I'm trying to boot Macrium Reflect backup iso. Based on my current configurations, it tries to load, but it just reboots. I have installed Memdisk and the iso file is located under etc\images. The ...
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1answer
31 views

Ubuntu 14.04LTS boot loader crashes

I am using Win 10 and Ubuntu as dual boot.The boot loader of my Ubuntu continues to crash. I don't know why but it happened 2 times last week and today again.I had to use boot repair to run it again. ...
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18 views

partition scheme for dual boot with android-x86

For an old Inspiron 1420 laptop, how can I dual boot (not VirtualBox) with android-x86? What options do I select when installing Ubuntu 16.04 that the partition scheme will work for both OS's. GPT ...
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0answers
40 views

Grub shows no OS after boot-repair

I've had some problems with my computer and trying to keep two systems in it. For a long time, I had a stable system where I had Windows 7 and Ubuntu 12.04 side by side, with dual boot. I updated ...
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1answer
45 views

Ubuntu 16.04 does not start after installation next to Windows 7

Installation ends succesfully, computer restarts and... Windows boots up. My computer: old laptop HP Compaq 6710b (no UEFI, no secure boot). Two hard drives: - 1st is 240 GB SSD and 2nd is some ...