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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Recover Ubuntu 14.04 Encrypted Install

I have an encrypted install (Full drive, not only home directory) of Ubuntu 14.04 on a 1TB SSD. I do know the passkey to unencrypt everything. It's just a matter of finding the files now. Here's what ...
0
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0answers
21 views

Ubuntu Live CD persistence ISO on hard disk

I am trying to setup persistence while booting from a customized (uck) ubuntu Live CD ( 16.04 ) ISO which is stored on my hard drive ( hda ). My Grub configuration for the Live CD is as follows : ...
1
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0answers
21 views

Ubuntu won't boot from SSD

Previously I've had windows installed to a SSD in my laptop and ubuntu installed to HDD on it. Recently I've changed that HDD to SSD and installed ubuntu there as usual, but for some reason it won't ...
0
votes
1answer
26 views

Accidentally deleted Ubuntu volume from Windows?

I had Ubuntu dual booted with UEFI in my disk and I accidentally deleted that partition. I am still in Windows and haven't shut it down. Is there any way to fix this?
1
vote
1answer
29 views

How do I remove grub?

I was trying to install ubuntu on an external hard drive using my dads dell laptop because my laptop was being repaired. Anyways i used a bootable iso usb from unetbootin to install it. I have done ...
0
votes
0answers
28 views

Trouble installing Ubuntu 16.04 since I got GTX 1070

I was running ubuntu with windows, and once I got my GTX 1070, and installed the nvidia drivers on windows it caused Ubuntu to go black screen whenever I would load it from grub. Additionally my asus ...
1
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0answers
10 views

Dual boot: Black screen after purple screen with logo

I have Ubuntu 14.04 installed along Windows 8.1 running with GRUB2 in a MSI GE60, i7 with an nVidia GeForce GTX card. Out of the blue, today when I try to run Ubuntu, after the purple screen with the ...
0
votes
1answer
17 views

Installing Ubuntu 16.04 - Out of Range issue (in Skylake)

I'm trying to install Ubuntu Studio in a brand new machine. It has UEFI and Grub2. Problem is that after a Ubuntu (Studio) splash screen I get a "signal out of range" error. And all I can do is press ...
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0answers
21 views

After recommended boot repair, it showed there is no operating system

I had a dual boot system with Ubuntu 14.04 and Windows 8.1. After I upgraded Win to Win10, there was no GRUB entry for Ubuntu (or maybe Ubuntu was wiped, but I didn't notice...) I searched online ...
6
votes
3answers
244 views

Trying to install 3 different versions of Ubuntu for triple-boot (no Windows)

Summary of what I need: I want install 3 different versions of Ubuntu on a computer. I would like to be given a choice of which OS to boot every time I turn on my computer. I would like to share ...
1
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0answers
20 views

Windows 7 option not visible in Grub after installation of Ubuntu

Before asking here, I have checked lots of options mentioned here in this portal, but got no success. So, I was using Windows 7 first, later yesterday I try to dual boot Ubuntu. Now, in Grub it is ...
1
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0answers
18 views

Can't Ubuntu's grub2 display in menu and load multiple different partitions of windows?

I have been using Ubuntu and Windows on the same machine for over a decade now. In the past I had the latest LTS Ubuntu and XP on their own hard drive partitions. I used XP for gaming and Ubuntu for ...
0
votes
0answers
18 views

Problem with NVIDIA drivers and encrypted partition (dual boot)

I'm trying to install Nvidia drivers on Ubuntu GNOME 16.04 but I have problems when I boot up. My machine has 2 SSDs: First one with Windows 10 Second one with Ubuntu GNOME 16.04 (on which I boot) ...
0
votes
0answers
25 views

How do I repair after testdisk disaster?

I have been a very silly boy. I intended to erase an SD card with testdisk but accidentally ran delete on the wrong drive and have apparently hosed my system. Trying to boot from HDD gets me to grub ...
0
votes
0answers
11 views

The disk drive for XY is not ready yet or not present

At first I'd like to clarify, how I got to this messages. I wanted to create a system disk image (120GB SSD) to disk for data / backups (750GB HDD), so I created live USB, booted and run a command for ...
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votes
0answers
15 views

blank screen at point “restart now” after installation without errors

when i tried to install ubuntu 16.04 alongside windows 8.1 getting blank screen at point "restart now" after installation without errors.Then i again inserted booted usb drive and tried to update ...
0
votes
1answer
27 views

I was running windows 7 and ubuntu linux on the same laptop and I upgraded to windows 10

I was running windows 7 and ubuntu linux on the same laptop and I upgraded to windows 10, everything seemed fine untill the laptop restarted and I got the black command screen saying grub rescue. All ...
0
votes
0answers
20 views

jKDE Neon Boots into Intramfs, No Error

I just installed kde neon, and after rebooting for the first time (not including the reboot after installation), the computer now boots into the initramfs prompt. This happens after the grub and the ...
0
votes
2answers
31 views

Broken GRUB bootloader!

So, I decided to install Ubuntu 16.04 LTS onto a seperate partition on my HDD. While "trying" to repair a USB drive in windows partition manager, I accidently deleted the Ubuntu partition. Now, when I ...
1
vote
0answers
14 views

How do I re-enable input devices in Windows 7 while dualbooting with Ubuntu?

I decided that it would be most useful to me to have both Ubuntu and Windows 7 on my machine, and dualbooted correctly (I think) to have both fully functional (initially). I installed Windows 7 and, ...
1
vote
0answers
17 views

Grub doesn't load despite many reinstalls and boot-repair

Grub simply won't load. this is my boot-repair URL: paste2.org/YPht4Hez Could someone please say if they see anything wrong? Problem description: It's a simple setup. One HD, several linux ...
0
votes
0answers
24 views

“Cannot find a backlight controller” when normally booting Ubuntu 16.04 LTS on a Pavilion g6 Notebook

Most if not all Ubuntu backlight solutions depend on the backlight driver working. Like this one for example. In my case, when normally booting Ubuntu 16.04 LTS on a Hewlett-Packard Pavilion g6 ...
2
votes
2answers
50 views

Prevent Ubuntu from automatically starting up after 10 secs with dual-boot [duplicate]

I have a pc with Windows 10 and Ubuntu 16.04, set as dual-boot. The pc came with Win10 and I installed Ubuntu on it recently. Everything works ok, but when booting the computer I have only 10 seconds ...
0
votes
1answer
19 views

duplicate menu items in GRUB [duplicate]

Just installed Kubuntu 16.04 last night, only to have it not include my Windows partition in GRUB. So I ran BootRepair and what happens next? My Windows partition comes back, but I now have duplicate ...
0
votes
0answers
46 views

Downgrading to Ubuntu 14.04: grub-efi-amd64-signed package failed to install into /target/

I had originally installed Ubuntu 16.04 on a brand new machine but after realizing that nVidia CUDA toolkit is not yet available I decided to downgrade to the previous LTS release. I did this by ...
1
vote
1answer
26 views

Unable to access Ubuntu after Windows install, reinstall grub fails

So after installing windows 10, it overrode grub and now Ubuntu is inaccessible. In the past, trying Ubuntu without installing it and reinstalling grub there worked, you know, this stuff: sudo add-...
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votes
0answers
26 views

I cannot install Ubuntu or any linux distro on my PC! [on hold]

I cannot install any version of linux (Ubuntu,Mint etc) on my Windows 10 running desktop. Motherboard: ASUS x99 16GB RAM Nvidia GTX 970 250GB SSD. I've tried another HDD too The LiveUSB would ...
0
votes
0answers
31 views

How do I reinstall Windows 10 while keeping my dual boot? [closed]

My Windows has been acting up a lot lately and I want to reinstall it. However, I also want to keep my dual boot. I'm currently running Ubuntu 14.04 and Windows 10 64bit. I saw the thread about ...
0
votes
1answer
42 views

16.04 new installation gives grub-efi-amd64-signed failed installation /target/ ubuntu 16.04 at the end

I am installing ubuntu 16.04 lts in a Intel NUC computer with uefi enable. I am using a SSD from another computer. During the installation i choode erase the disk and make a new full install. At the ...
0
votes
2answers
31 views

Do I have to partition and install my Ubuntu on the same HDD/SDD as my Windows OS? [on hold]

I have an SSD for my Windows OS, and several other larger drives for archiving stuff. I want to install Ubuntu as a dual boot, so that I can set up a neural network from Github. I won't need to use ...
1
vote
0answers
21 views

Problem booting Server after doing apt-get update apt-get upgrade

I have only been able to get my server to boot using older kernel and have to be at the machine for startup /reboot to get 14.04. I tried boot-repair here is one text file saved - thought I had ...
0
votes
0answers
14 views

I can boot Ubuntu only once after install

I have just reinstalled Ubuntu 16.04, and have this weird problem where I can boot Ubuntu after the installation, but I get directed straight to BIOS upon restart. I am using UEFI and have the efi ...
1
vote
0answers
32 views

i915 vs i915_bpo

At work I received 3 identical desktop with Skylake CPU and i915 integrated graphic chipset. Both first and second desktop are working with the i915_bpo driver and both accepted a dual displays. The ...
0
votes
0answers
17 views

attempt to read or write outside of disk hd0 only on linux 4.2.0-38-generic (4.2.0-36-generic works)

After a restart and probably auto security updates, my Ubuntu 14.04.4 LTS machine will not boot into the default option Ubuntu, with Linux 4.2.0-38-generic (using grub 2.02~beta2-9ubuntu1.7). It halts ...
0
votes
1answer
58 views

Problem: Stuck in GRUB

My problem is, that every time I boot, the computer immediately takes me to a screen that says the following: GNU GRUB version 2.02~beta2-9ubuntu1.7 Minimal BASH-like line editing is supported. For ...
1
vote
0answers
21 views

how to debug Ubuntu start-up with BusyBox

Instead of the usual start-up I'm seeing a screen with GNU GRUB version 2.02~beta2-36ubuntu3 and the following options: Ubuntu, Advanced options for Ubuntu, Memory test (memtest86+), Memory test (...
0
votes
1answer
107 views

ubuntu 16.04 + GTX 1070 causes black screen after choosing ubuntu on grub

Problem: I have a dual boot of Ubuntu and windows on my desktop and I have recently encountered a problem. I installed my GTX 1070 into my desktop and installed the nvidia drivers and everything has ...
1
vote
0answers
43 views

GRUB not showing when dual booting Windows 10 and Ubuntu 16.04

I have just upgraded from 15.10 to 16.04, where 15.10 dual booted with Windows 10. However, now GRUB does not show, and the system goes directly to Windows. Last time I installed Ubuntu 15.10, I had ...
0
votes
0answers
40 views

Dual Boot - Windows 10 / Ubuntu 16.04

My Lenovo Thinkpad has Windows 10 and Ubuntu 16.04. I installed Ubuntu first followed by Windows. So system is booting to Windows. Now I have to reinstall GRUB2 using boot-repair for making dual boot ...
1
vote
1answer
34 views

Dual boot not working

After installing Ubuntu 16.04 LTS from USB drive to unallocated space on my hard disk, when I reboot the computer it boots directly into Windows 10 without showing a dual boot option. I followed the ...
1
vote
0answers
18 views

Macbook: boot into GNU Grub after Ubuntu Installation

I am installing Ubuntu (latest version 64 bits) on Macbook Pro 2015. Before Ubuntu, I have already installed Win 10 using bootcamp, and I am installing Ubuntu on an external hard-drive. At the Ubuntu ...
0
votes
1answer
58 views

Ubuntu installed, but GRUB not showing up

I have installed Ubuntu 16.04 in my Lenovo Thinkpad laptop. I was trying to have dual boot by installing Windows 10 along with the existing Ubuntu. Since I had to reinstall GRUB2, I downloaded boot-...
0
votes
0answers
33 views

clone/ move primary boot patition to a bigger partition on same disk

Got a 512 GB SSD. Had windows. Put ubuntu but on a 18GB patition. Struggled to get android studio to work (not even sure which steps finally let me connect my phone). Realized I have a 40 Gb ...
0
votes
0answers
27 views

Partition deleted and now nothing will load - GRUB

I may of accidentally deleted the partition of my HDD where Ubuntu was installed. I have Windows 7 on 1 partition and Ubuntu 14.1 LTS on the other. I've downloaded the same version of Ubuntu and made ...
0
votes
1answer
21 views

Grub menu doesn't appear (dual boot)

I have Windows 10 installed on my computer and I decided to use Ubuntu. I've downloaded the latest version (16.04 LTS). After installing the Ubuntu, I couldn't see the grub menu. I've made a dual boot ...
0
votes
2answers
48 views

Can't boot to windows 10 after installing

i have ubuntu 16.04 installed and i wanted to install Windows 10. I installed it and it skipped the grub and went straight to Windows 10, i grabbed a copy of boot-repair usb disk and tried to run ...
0
votes
1answer
30 views

Ubuntu boot problems on Dell XPS 13 after replacement of motherboard

Background: I recently had a spill that damaged my Dell XPS 13 Developer Edition, which was preinstalled with Ubuntu 16.04. My motherboard has been replaced. I removed the SSD before repair; now I've ...
2
votes
0answers
51 views

Select at boot time, from Grub, Nouveau or Nvidia driver

I have a laptop MSI GS60 6QE; CPU is Skylake I7-6700HQ and GPU NVIDIA GTX 970. I had installed Ubuntu 16.04 on it and is working quiet good. I've installed NVIDIA 364.19 driver from ppa.launchpad.net/...