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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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 ...
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14 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 : ...
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1answer
5k views

Boot-repair: Can't boot ubuntu in uefi mode

I am aware that there are many similar questions in this site, but none of the seems to solve my problem. I've been trying to install ubuntu 14.04 alongside a preinstalled Windows 8.1 in a toshiba ...
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0answers
17 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 ...
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1answer
280 views

Grub Rescue unable to “insmod normal”

I am stuck in the Grub rescue: I know my Linux is saved in (hd0,gpt2). grub rescue> ls (hd0,gpt2)/boot/ ./ ../ vmlinuz-3.13.0-70-generic grub/ initrd.3.13.0-70-genric grub rescue> ls (hd0,...
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1answer
23 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?
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1answer
25 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 ...
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1answer
30 views

Upgraded Ubuntu to 14.04, can't login to my account & don't know the password of root

I upgraded my ubuntu from 12.04 LTS to 14.04 LTS recently. While installing the downloaded packages, my system hung up and restarted. That is how the problem started. It's not taking my old password. ...
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1answer
14 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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3answers
237 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 ...
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0answers
13 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 ...
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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 ...
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1answer
6k views

how to add windows 8 entry to grub after boot-repair

I installed ubuntu 14.04 in a dual boot (with windows 8.1) but my pc directly boots into ubuntu. For that I did a boot-repair->recommended repair. But all I got was grub menu with an option to boot to ...
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2answers
3k views

Is dual booting ubuntu and fedora/openSUSE as easy as popping in a liveCD?

I wish to dual boot ubuntu (currently installed) with fedora and/or openSUSE (fedora for vanilla gnome and SUSE for a good KDE experience). I do not know much about dual booting and grub. Do I only ...
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0answers
17 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 ...
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1answer
21k views

GNU GRUB Version 2.02 beta 2-9 while booting from USB

I attempted to install the latest version of Linux Ubuntu Studio, with previously installed Ubuntu 14.04. Installation procedure went fine, it was only at the finish, when something collapsed, I ...
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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 ...
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0answers
15 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) ...
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1answer
6k views

What location to put bootloader, when running multiple drives and partition

I have Win8 on my desktop, where a 120G SSD is used to run windows and some select applications, while I have a 2TB HDD to provide basic file storage and where possible, install applications instead ...
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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 ...
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2answers
4k views

Boot loading problem after Wubi installation of Ubuntu 12.04 on Windows 7

I was new in Ubuntu OS and I was just trying to use wubi windows installer to get a Ubuntu first for hands-on. I followed exactly the same as the instructions and after reboot win7, there is no ...
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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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0answers
22 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 ...
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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 ...
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5answers
126k views

How to boot into Windows 7 when grub is installed in the Windows partition?

Original title: How can i solve (un)booting windows 7 on the same partition with grub? I've been researching for 2/3 days about this problem and I have came up empty. Basically, partition 1 is ...
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1answer
102 views

Ubuntu 14.04-Windows 10 dual boot makes windows hang

I have a dual boot Ubuntu 14.04<>Windows 10 system. It has two SSD-drives, 256 GB for Windows and 128 GB for Ubuntu and one 1 TB HDD for data. Ubuntu works without any problems, Windows 10, ...
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1answer
23 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 ...
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2answers
28 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 ...
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1answer
302 views

Clean up /boot directory

After an update of my Ubuntu I came to the error, "I cannot update since /boot is full". The thing is, that when I compared the results of the two following commands $dpkg --list 'linux-image*', $...
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0answers
16 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 ...
2
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2answers
49 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 ...
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0answers
13 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, ...
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1answer
96 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 ...
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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 ...
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0answers
45 views

Grub fatal error - which partition for grub?

I am trying to install Ubuntu 16.04 alongside with Windows 10 (using USB stick), but at the end of installation process a "fatal error" appears, saying that grub failed to install on /dev/sda and ...
0
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1answer
163 views

Hide TTY1 login when using no “quiet splash” as GRUB_CMDLINE_LINUX_DEFAULT

I want to see the boot messages when starting Ubuntu, so I edited /etc/default/grub and removed the `quiet splash setting: GRUB_CMDLINE_LINUX_DEFAULT="" But now after those messages and before ...
0
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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 ...
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2answers
350 views

Doesn't start up properly after upgrade

I cannot enter my desktop after an update last night. I realize that they was add another release version(lines) in the GRUB. How can I fix the problem? should I run update again using recovery mode? ...
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5answers
19k views

Booting Android with GRUB, but how?

I have a small problem. I have seven partitions: Device Boot Begin End Blocks Id System /dev/sda1 * 206848 219013119 109403136 7 HPFS/NTFS/exFAT <-- ...
0
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0answers
45 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 ...
3
votes
2answers
6k views

GRUB2 failed with 'No video mode activated'

I've installed Ubuntu-Alternate 11.04 to use the encrypted feature. All works fine, but rebooting the system ended up in an error-message: Error: No video mode activated' Reading some threads I ...
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1answer
25 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? [on hold]

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 ...
2
votes
2answers
3k views

Grub on start up changed color from purple to black?

A while ago, i reinstalled 12.04 on my computer and a few day later when My system restarts after updating itself, the grub is no longer purple. It is just black and I didn't change anything that ...
0
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1answer
39 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
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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
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0answers
209 views

installing windows 10 without using an USB or DVD [on hold]

I want to install Windows 10 on my laptop, and booting the installation from the hard drive without using a USB or DVD, because I have some problem reading the installation from the USB and I dont ...