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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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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1answer
25 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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0answers
110 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 ...
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1answer
62 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-...
0
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1answer
151 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 ...
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0answers
39 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 ...
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0answers
17 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 ...
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0answers
83 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 ...
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0answers
31 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
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1answer
71 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 ...
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0answers
35 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 (...
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0answers
336 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
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0answers
155 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 ...
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0answers
103 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
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1answer
40 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 ...
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0answers
33 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
94 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-...
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0answers
37 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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0answers
32 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
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1answer
26 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
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2answers
55 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
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1answer
38 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
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0answers
80 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
29 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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30 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
175 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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0answers
30 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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0answers
22 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
40 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 ...
0
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2answers
60 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 ...
0
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2answers
40 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 ...
3
votes
1answer
75 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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0answers
20 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 ...
2
votes
0answers
55 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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0answers
13 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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0answers
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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0answers
35 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 ...
5
votes
1answer
97 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 ("...
0
votes
2answers
122 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 ...
0
votes
1answer
38 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-...
0
votes
1answer
39 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 ...
0
votes
0answers
21 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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0answers
251 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 ...
0
votes
0answers
26 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 ...
1
vote
1answer
38 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 ...
0
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0answers
46 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 ...
0
votes
0answers
17 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 ...
0
votes
1answer
61 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 ...
0
votes
1answer
63 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 ...
1
vote
1answer
141 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 ...