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 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-...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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53 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/...
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1answer
22 views

How can I make GRUB boot by default instead of Windows Boot Manger

I'm dual-booting with Windows 10, and it sets WBM("OS Boot Manager" in the menu.) above grub. I want to have it boot grub. HP Sleekbook Pavillion. EDIT: UEFI on both OSes.
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23 views

Disk failing - Kernel panic

I posted a couple of days ago about SSD issues which keep it failing. FSCK usually helped, but not now as I face kernel panic. When I boot into Ubuntu, I see grub, I can choose between the kernels. ...
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1answer
164 views

strange msdos line in GRUB edit

While editing a GRUB entry, I saw the following code: recordfail load_video gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='hd0,msdos1' if [ x$feature_platform_search_hint ...
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21 views

error unknown filesystem. grub rescue issue on booting ubuntu 14.04

I have installed Ubuntu 14.04.4 on my WD my passport 1 tb external hdd on a 150 GB partition newly created. I have used live USB for it. When I boot the computer using external hdd it gives unknown ...
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14 views

Remove Grub Surface Pro 3

I want to remove Ubuntu from a Surface Pro 3, but how do I remove Grub after deleting the Ubuntu partition?
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1answer
30 views

Lubuntu 14.04LTS fails to boot after updates - GRUB issue

I have been running Lubuntu 14.04 LTS for more than a year without (significant) issues. I postponed rebooting after a few updates recently (probably about 2-3 weeks) and when I finally had the time ...
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2answers
55 views

My computer boots into black screen after hard shutdown

This is my first time doing anything like this but I really need my computer back so it here goes. The other day my computer froze so I had to unplug it and replug it however after I did so instead of ...
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2answers
24 views

Had win7 and Ubuntu 16.01 on separate drives - downgraded to ubuntu 14.01 and now win7 isnt appearing in Grub

I have 2 separate SSDs - one with windows 7 and the other with Ubuntu 14.04. I originally installed Ubuntu 16.01 on one drive and then Windows 7 on the next. When I did this, grub picked up the ...
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1answer
55 views

How to safely remove Windows from EFI (and GRUB) [duplicate]

I can find a lot of information on the opposite (removing Ubuntu from a dual boot) but not how to remove Windows from a dual boot. I did this once before and then I just deleted the whole EFI ...
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14 views

Grub2 Theme: Assigning Icons to Programs

I am using *buntu 16.04 with Grub 2.02. I have installed a Grub theme to 'beautify' the multi-boot process. I have also installed GRUB Invaders, a silly but kinda cool game one can play prior to ...
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40 views

Burg installing

I tried installing Burg to make my dual boot look better. So, I followed these instructions up to the part where it says: "BURG found! Do you want to configure BURG instead of grub2?, click Yes.". ...
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11 views

Flex update for Grub

I'm trying to make a dual boot Linux/OSX on my MacBook Air and I decided to install Grub as bootlader since for some obscure reasons rEFInd won't even start. On installing Grub a warning told me that ...
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10 views

errno 5 input output errors please help [duplicate]

I am stuck at installing ubuntu for 6 days. Tried many copies of ubuntu 16 even ubuntu 14 but same error appears. System configuration is : Uefi , 4 gb ram, i5. i want dual boot ,solo ubuntu too ...
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29 views

Disk issues (JavaScript error in the main process)

I seem to be having ocassional SSD (Patriot Blaze) I/O Errors evne though all the tests show disk to be healthy, clean and operational, at only 7 months of age. UPDATE: A third instance of disk ...
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58 views

Dual boot Windows 10 & Ubuntu 16.04 — blank purple screen of death when booting Windows!

This is on my Dell XPS 9550 laptop with 512GB Samsung P951 NVMe SSD. I first installed Windows 10 and it boot up just fine. Then I shrinked the volume for Ubuntu and installed it via Live USB ("...
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2answers
87 views

Windows 10 Boot Loader Mssing After Ubuntu 16.04 LTS Load

Back story - HP Pavilion laptop originally with Windows 8.1 and upgraded to Windows 10 some time ago. Decided wanted to dual-boot with Ubuntu 16.04 LTS. Inserted DVD and installed alongside Windows 10 ...
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1answer
32 views

Trouble booting with Grub

everything was working fine and ubuntu was booting without a flash drive on my macbook pro, and now all of a sudden when I try to boot I get to this grub menu:https://www.linux.com/learn/how-rescue-...
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33 views

Cannot find hard disk after installing Ubuntu

I had Windows 10 installed on my PC then I created a new volume from C drive and then installed Ubuntu from live environment. It said installations successful and everything OK. But after restart no ...
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13 views

Lubuntu 16.04 Keyboard Arrows show weird characters after unistalling grub

Hi I have a problem with my keyboard, I installed Lubuntu 16.04 and I wanted to install also Windows XP so I followed some guides here in aksubuntu.com and I unistalled the GRUB but at the end my CD ...
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97 views

Cannot install Ubuntu 16.04 on Dell XPS 9550 — grub-install /dev/nvme failed

I just got my Dell XPS 9550 laptop, then I installed fresh Windows 10 Pro x64 on it, shrinked the volume for Ubuntu, and tried installing Ubuntu 16.04 via USB stick from ISO. I did the install ...
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23 views

Sony vaio pro13 dual system problem

I'm new to ubuntu, here I may do some stupid changes and cause my computer boot failed, so I need your help. My laptop is a Sony vaio pro 13, and I put ubuntu and windows 10 inside. However, after ...
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1answer
28 views

GRUB trouble (installing Ubuntu, dual-booting with OS X)

I want to be able to dual boot OS X and Ubuntu, but have run into an issue (GRUB). Progress so far: I successfully got rEFInd working on El Capitan (disabled System Integrity Protection and Full ...
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23 views

Endless booting loop

So I have installed windows 10 and Ubuntu on two separate drives on my computer. They both works fine and I can switch between the two easily enough. Now I'm trying to see if I can make so that if I ...
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15 views

Grub Console appears - hey from Bios Boot Menu Works

I installed Xubuntu 16.04 on a 2nd Hard Disk (not partitioned) and configured the BIOS to automatically boot from it. The problem is, that the automatic boot starts the Grub console instead of the ...
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1answer
55 views

Purple screen of death: can't get into ubuntu desktop or grub menu

I bought a new laptop with ubuntu pre-installed on it. I have only had it for about a week and have already broke it! When I boot, only see a purple screen. When this first happened I restarted and ...
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53 views

Error: cannot find a GRUB drive

I previously posted here with this question, which is now resolved. I am trying to install ubuntu 15.10 on my macbook pro with a flash drive. Specifically, I am following these instructions I found by ...
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1answer
78 views

grub2 installation fails for Ubuntu 16.04 LTS

I have been trying to install Ubuntu 16.04 on my Lenovo Ideapad500-15isk alongside windows 7 using a usb live disc. I have kept 8200MB of swap space and 20482MB of mount point / and around 390 GB ...
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25 views

How to replace GRUB with ELILO?

I was wondering if it is possible to replace GRUB with ELILO on a installed Ubuntu (and keeping a dual-boot with Win) without losing functionality or personal files?
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27 views

Will boot-repair ommit entry for manjaro

Recently i ran boot-repair and it worked like a charm and even kept the windows launcher. more recently i installed manjaro. it reinstalled grub2 and showed an entry for ubuntu and manjaro but not the ...
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51 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 ...
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57 views

Xubuntu 16.04 doesn't boot; hangs after fsck

I have just installed xubuntu 16.04LTS on a Dell Inspiron Mini as a dual-boot with Windows 7. When I booted it up for the first time yesterday, it worked fine. Today, however, I see the following: /...
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47 views

Edited timeout in /etc/default/grub, and ran update-grub, but timeout remains 10sec

Xubuntu 16.04, Grub 2.02~beta2-36ubuntu3 I edited the timeout to 3 seconds: GRUB_TIMEOUT=3 Then run: sudo update-grub Timeout during grub boot is still 10 seconds. What am I doing wrong? Edit: ...
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18 views

“Unable to install grup /dev/sda” while dual booting

Recently, i installed Ubuntu 16.04 LTS 64bit using USB and it worked fine but as a restarted the os it opened windows 10 (My first installed os 64bit, UEFI, secure boot: Disabled). Then i tried to ...
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0answers
41 views

Windows7 - Ubuntu 14.04 dual boot setup

I have been using EasyBcd to create a dual boot menu for my Windows7 and Ubuntu 14.04 installation. I had it set up yesterday fine, but tried to go another route (which failed), so I tired reverting ...
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0answers
12 views

GUI chainloader for internal USB

I have a USB pcie card with two internal ports. I have a spare 2gb USB stick that I'd like to use as an extensive chainloader so that I can boot to obscure partitions and even use GPT in my old ...
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24 views

error invalid arch-independent elf magic - same error on HDD, Live 14.04 USB, and Boot-Repair Live USB

Okay, this question has been asked a lot but as far as I can tell I am the first person to get the same error while booting from live USB's. I installed the latest version of 14.04 onto an HDD. On ...
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0answers
37 views

Can't boot to windows 10 from grub and ubuntu won't boot

I previously had Windows installed in BIOS mode. I tried installing Ubuntu in BIOS mode and it just booted to Windows. So I installed it in UEFI mode and it said: You will have trouble booting to ...
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36 views

Grub Boot from ISO with lvm

In a simple boot procedure from an ISO image the below statements works well: menuentry "Ubuntu.iso" { set isofile="/iso/ubuntu.iso" loopback loop (hd0,3)$isofile linux (loop)/casper/vmlinuz.efi boot=...
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1answer
49 views

Fresh install Ubuntu 16.04 : Not possible to boot Win10

Fresh install Ubuntu 16.04 on disk sdc. Windows 10 is on sda. During install, I chose to put grub on sda, I guess it was a mistake. Grub does not see W10, and if I choose starting on windows hd ...
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67 views

Where is Grub installed?

I created a live USB of Ubuntu 16.04 and installed it on another USB drive. Sometimes, the computer boots into a black screen with grub rescue prompt grub> When I type exit it takes me to Grub ...
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1answer
13 views

Grub Boot loader will not install to Raid Drive

I am trying to Install Ubuntu Server 16.04 LTS onto a Fujitsu Primergy Server and Cannot get the Grub Boot loader to install. I have initialized the drive many times and this is a completely clean ...
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22 views

grub-probe error unknown filesystem after failed release upgrade, LVM RAID5 resize

I've got a software LVM RAID5 setup, across 4 physical hard drives: /dev/vg1/lv0 contains /boot /dev/vg1/lv1 contains / A do-release-upgrade from 14.04 to 16.04 failed due to /boot partition being ...
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26 views

My Ubuntu Mate 16.04 LTS freezed

Friends, I used Ubuntu 14.04 LTS. Recently I installed Ubuntu MATE 16.04 LTS. It was working fine. But the network icon was disabled whenever I connect a USB modem to this system. So, I installed a ...