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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Auto-installing Ubuntu next to Windows on a separate hard drive? [duplicate]

I want to install Kubuntu on a computer which already runs Windows 7. For this purpose, I have installed an additional empty hard drive (the drive containing Windows is fully partitioned and should ...
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load grub2 from winodws boot loader ? building an mbr file for grub2?

Many boorloaders like vboot and grub4dos provide a .mbr file that i can use to load the bootloader from windows bootloader. So, How can i build a a file like this for grub2 ? is it possible to tell ...
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Dual Boot Encryption (Windows 10 & Ubuntu 14.04 LTS) [on hold]

I've been struggling to find a dual boot encryption guide on-line that is up to date and was wondering if someone smart could point me in the right direction. I'm using a fairly common dual boot ...
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1answer
20 views

grub entry for slackware from another drive

I am running ubuntu 14.04 on my machine with following partition structure: /boot 512MB / 50G swap 4G /home 100G~ and I have another drive which has slackware 14.1 on it with following ...
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How do I configure Ubuntu 14.04 to always boot to ram?

I read somewhere that if you modify "grub/grub.cfg" you could add the toram option in there, but the answer didn't match my grub file, so I added it like this... if [ x$feature_platform_search_hint = ...
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Recognize keyboard at boot

I am running 15.10 desktop and when I select run as root from the advanced Ubuntu menu, I get a root shell but it does not understand my Spanish (not Latin American) keyboard and I am unable to type ...
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15 views

Ubuntu 14.04 hangs on shutdown after package removal

The problem My Ubunutu 14.04 laptop will not shutdown anymore from the command line or from the reboot button in the OS. It hangs at the shutdown screen indefinitely. This problem started a few days ...
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15 views

Why my Grub background color become Grey after installing GNOME Desktop?

After I run sudo apt-get install ubuntu-gnome-desktop my grub background color turn grey. Do you know why my grub background color become grey instead of purple?
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Can't get GRUB2 working, systems won't boot, (dual boot mint/win7). Please help [closed]

Model: HP Compaq Mini 32 bit. Device: Samsung Evo SSD 120 GB. OS: Dual boot --> Linux Mint 17.1 Lxde & Windows 7 Starter. Situation: When booting the pc, the GRUB2 loader came uo as usual. ...
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“Disk drive for /boot/efi is not ready yet or not present” after reinstalling Windows

There are a number of questions with very similar titles on this site but none of them really helped me. If I missed something, please let me know. So here is my story: My laptop was shipped with ...
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11 views

Trouble-shooting a non-booting 14.04 server on a Atom D525

I am trying to install Ubuntu 14.04 server amd64 on a small Atom D525 machine (with 2GB ram). It won't boot, or even bring up the Grub boot loader. I'm not sure what to try next. Here's some more ...
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Not able to install any linux distro

I messed up with my ubuntu 15.10. I was trying to install gnome-desktop-environment by running the command sudo apt-get install gnome-desktop-environment, but I closed the process in between. After ...
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0answers
16 views

Permanently Remove GRUB and Linux from Triple-Boot System (GRUB Lingering After Attempted Removal)

I had a triple-boot system consisting of Windows 8.1, Ubuntu 15.04, and Kali Linux (can't recall version, should be irrelevant anyways). I have no further need for a triple-boot system so I've ...
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14 views

Cannot reinstall Ubuntu

I've read other fairly similar posts but those situations are different and the solutions don't work at all. I started with Windows 10 as my only OS. I then tried to install Ubuntu 64 bit as a dual ...
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25 views

Installing Ubuntu on SSD and sharing second HDD with Windows

I currently have: SSD Disk (54.5 GB free of total 112) Windows 10 installed here I would like to install Primary Ubuntu here HDD Disk (172 GB free of total 465) I would like to have Logical ...
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15 views

Install Ubuntu over Internet, if installed GRUB

For example, my friend does not boot the computer (problems with OS), he asked me to reinstall it OS, he has GRUB. It would be convenient to install the OS it remotely. Does GRUB installation from the ...
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50 views

On NUC6i5SYK Ubuntu Linux 15.10 display goes to sleep immediately after splash screen appears

I installed Ubuntu Linux 15.10 from a USB thumb drive on my NUC6i5SYK. I had to add nomodeset to get the LiveCD environment to boot, as the display would sleep if I didn't (as described here: Intel ...
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28 views

Linux Multiple Errors on Boot [closed]

In advance, I apologize for my lack of knowledge of terminology, I'm fairly new. I have an external HDD which has two operating systems on it, Ubuntu and Kali. My hard drive has a 10 GB /boot ext4 ...
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1answer
87 views

Unable to chainload OS X Clover bootloader from GRUB

So I have a triple-boot setup in which I have just updated OS X (Hackintosh) to the newest version and a new bootloader (from Chimera to Clover). It looks something like this: Ubuntu 14.04 LTS on ...
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1answer
29 views

ubuntu 14.04.3 bootloader cannot be installed at specified location

[retina 15" Macbook Pro 2014, rEFInd, OS X, & Ubuntu 14.04.3] Installing Ubuntu, I've chosen the 'Other' option from the template menu. My partitions are setup as follows: /dev/sda free space ...
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1answer
29 views

I need BASIC, HAND HOLDING type help booting Ubuntu now that I've installed it on my Windows 7 machine

My son gave me an old desktop, maybe 4-5 years old, still in reasonably good shape, with Windows 7 installed. It continually gives the "Windows is not Genuine" message and was/is infected with mucho ...
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24 views

Problem installing Windows after installing Ubuntu [closed]

So i got a new desktop without OS and I decided to install Ubuntu on it. I used a USB boot, installed it and when it came to restarting it never booted Ubuntu, sending me straight to the BIOS. Now ...
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48 views

Give more Hard disk space to Ubuntu

I know my question have been asked quite a few times on this forum but I am not sure if my situation is similar to what was described in those threads hence I decided to create a different one. Anyway ...
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19 views

Grub repair for encrypted disk

I previously had Kubutu (14.04 i think) installed with an cryptoLuks encrypted hard disk. I have been trying to install 15.04 on the same drive. The install went ok with no errors but I wasn't able to ...
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63 views

Grub cannot detect Windows 10 (UBUNTU INSTALLED FIRST)

I have a Lenovo Yoga 2 pro triple booted with two Ubuntu (15.10, 14.04) and Windows 10. Initially I wiped the hard drive and installed Ubuntu. To install windows I reformatted the hard drive to GTP ...
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Grub issues, cont

Okay, so I posted some questions online last night. While they didn't get resolved my bigger issue right now seems to be my desktop will not boot without my windows installer usb I made plugged in. I ...
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1answer
47 views

How to boot from a usb in UEFI mode on a Dell Inspiron

I want to dual boot ubuntu 15.10 with already installed windows 10 (upgraded from 8). From what I've been researching, in order for ubtuntu to be dualbooted with windows 10 on a uefi machine, the ...
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39 views

Editing Grub.cfg

I have two questions. Where is grub.cfg located? Ubuntu / is mounted on /dev/sda6 Fedora / is mounted on /dev/sda8 How should I edit grub.cfg so that when I choose Ubuntu (out of Ubuntu and ...
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No operating system selection screen

I have been using Windows 10 as my default OS. A few days ago I installed Ubuntu 14.04 through USB. When I start my PC I can't see any OS selection screen. It boots Windows 10 directly. But if I press ...
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3answers
35 views

Ubuntu not able to boot up and fresh installlation also not possible

I messed up with my ubuntu 15.10. I was trying to gnome-desktop-environment by running the command sudo apt-get install gnome-desktop-environment, but I closed the process in between because I didn't ...
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1answer
27 views

Windows 8.1 bootloader is not working after install Ubuntu 14.04

after installing Ubuntu 14.04 windows boot loader is not opening ... when i turn on my laptop it boot directly ubuntu . There is no option to boot windows boot loader. I didnot delete or format any ...
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Missing Operating System vs Grub Terminal [duplicate]

Did some updates on Ubuntu. My sister turned off the pc, I guess while the update was not finish and since then I got some issues. First some i-386 was missing and the rescue grub something started ...
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Grub? help, I'm not sure where to begin

I am having trouble with Grub reading any of my usb devices on start up. That being a ubuntu live cd and a windows installer. Now I have two questions, if I want to use these (which I know work.) ...
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Surface 3 Issues - Black Screen After Boot

I am sure this question has been asked many times, but I have not been able to find an answer. I am trying to install from a usb and I always get passed the purple screen with the Ubuntu logo, and ...
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28 views

How can I get the Ubuntu Installer to recognize that my system has windows 10 installed?

I'm currently trying to dual boot my Dell inspiron 7000 series laptop with Windows 10 and Ubuntu. Windows 10 is already installed. However while messing with installing other linux distros i seem to ...
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1answer
36 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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10 views

Headless wont boot without screen connected

For a couple of years I have been running a little PC as a headless server with 14.04. I recently upgraded the hardware, and used DD to copy the hard drive to the new drive and new mother board. ...
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10 views

Ubuntu 14.04 theme failed to be loaded properly and wouldn't be changed

I was playing with grub2, so I restarted my machine for several times. But at some point, the system seems to be pissed off and wouldn't load its theme properly. And any of my subsequent attempts to ...
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“pci=nomsi,noaer” in “/etc/default/grub” : any downside?

Because my kern.log and syslog files were growing to immense size, I added the subject entry to a line in /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash reboot=efi,pci pci=nomsi,noaer" ...
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1answer
32 views

Grub Customizer will not install on Ubuntu 14.04

enter image description hereenter image description hereI am trying to install Grub Customizer to customize Grub menus, without success. The following instructions (which can be found on various ...
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44 views

Ubuntu: “Booting in insecure mode” with SecureBoot enabled

I have just installed Ubuntu 15.10, after having been with 16.04 LTS for some time to try it out. While I was using 16.04, I tried to install Nvidia Drivers and got told that I needed to disable ...
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2answers
29 views

How to wipe disk clean totally

I saw this has been answered before but related to windows. I have the following on a 2009 macbook air and would like to wipe the disk and start over: Minimal bash-like line editing is supported. ...
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1answer
33 views

Ubuntu and Windows 10 dual boot issue on a toshiba sattelite P 50 A 11 L

I had ubuntu 14.04 and windows 10 installed on my toshiba, everything was fine. But after a month, my computer starts only on widows, I tried everything I could but I cannot access the ubuntu ...
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46 views

Ubuntu won't boot after installing a new kernel

I am a software tester, and I'm trying to test a kernel module on a variety of Linux kernels (3.2+). Currently I'm trying to compile the module, mount it and run an automated test suite on all Linux ...
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1answer
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How do I get grub's name for a given partition? (specifically grub2)

I know that grub names my hard drives and partitions counting from zero, so /dev/sda might be (hd0,0) and /dev/sdb2 might be (hd1,2). Is it guaranteed that grub numbers the hard drives in the same ...
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Installed ubuntu with erase disk and cant boot. no grub [duplicate]

tried boot-repair. URL from that is: http://paste.ubuntu.com/14673632 thanks
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2answers
54 views

grub rescue after creating new partition from windows

I'd successfully installed Ubuntu 10.04.03 LTS with parallel to existing Window 7 Professional. Both the OSes were booting properly without any problem. After install I needed to do sudo update-grub ...
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1answer
28 views

ubuntu partition grub mount failure

I have tried install a Ubuntu 15.1 partition on my window's 10 lenovo t450 machine with a usb. After running boot-repair in Ubuntu, I found out there was a problem with mounting grub2's core.img with ...
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How to get past the gnu grub screen?

Installing Ubuntu 14 from USB. I Have it installed and updated but now can't restart. Did it have something to do with the boot sequence? All it says is: loading Linux generic Loading initial ...
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2answers
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Set grub as bootloader when windows default bootloader is deleted

I completely wiped my hard drive on an HP initially set up with windows uefi boot. The wipe also deleted default windows bootx64.efi. Right now my fat32 partition flagged as boot is mounted on ...