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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restoring gtub file

Yesterday when i restarted my computer it is showing screen with error "no bootable devices found", so I am trying to restore my grub file using How to install the Boot-Repair tool in an Ubuntu live ...
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18 views

Dualboot win10/Linux Mint boots directly to win10 - doesn't show grub

So I have a dual boot setup using Windows 10 and Linux Mint 17.2 but I can't boot into Mint normally because my laptop always boots into windows without showing grub. In order to boot into Mint I ...
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9 views

Cannot boot 15.04 from Grub2 on UEFI

Here is how my system is set up (GPT partitioning): First 32 GB: Windows 10 Professional x64 partitions and EFI FAT partition Next 24 GB: Ubuntu 15.04 x64 root ext4 partition Next 8 GB: swap Rest of ...
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19 views

windows 10 not booting after Grub2 upgrade

I have two hard drive, with 3 OS: Ubuntu 14.04, Ubuntu 12.04 and Windows 10. Ubuntu 14.04 is on one drive, while Ubuntu 12.04 and Win 10 are on the second HD. [I also have some old small hd that i ...
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16 views

Grub Rescue Prompt, Booted from live usb, Missing config file in grub dir, bootRepair tool doesnt help

I installed Ubuntu 14.04 along side Windows 7 professional. When I attempt to boot I am given a Grub Rescue> prompt. when I type the ls command, it lists the partitions but when I ls the individual ...
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1answer
27 views

I'm confused about my bootloader [on hold]

Sometimes I reset my desktop and press F2 and then GRUB loads up. But some other times I reset and press F2 and then the Asus UEFI BIOS Utility loads up. I'm new to the Asus UEFI Bios utility and ...
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11 views

Kernel panic - not syncing: VFS: Unable to mount root fs on unkown-block(0,0)

after a reboot I get the following error message: The grub menu: I can boot the system by selecting previous version->... 3.13.0.64-generic (/dev/sda1) in the grub. Here an image of the boot ...
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1answer
12 views

Dual boot ubunuty/windows 10 partition on Dell xps 13

I have a new dell XPS 13 with 500 gb SSD and I want to partition in and install Ubuntu alongside windows 10. Ubuntu for me is primarily for work and I might use it quite a bit, but I am not a Ubuntu ...
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5 views

Kernel panic attempted to kill initexitcode=00000009 Dell inspiron 3000 series with ubuntu kernel 3.13.0-62-generic

I have a Dell Inspiron 14 3000 series with Ubuntu. I keep getting a kernel panic failure to sync attempted to kill init. I did a factory reset and tried a different kernel. currently it is ...
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1answer
18 views

Restore EFI from Windows after Windows 10 upgade broke boot list?

I updated to Windows 10 late July, and it deleted all of the boot entries on my computer. I was able to find the correct Windows boot efi file, and added the option to boot, but I could not find the ...
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2answers
24 views

How to handle GRUB configuration on a multi booted system?

I just finished changing the boot order for GRUB2. I have three operating systems installed on the computer. I have Windows 8.1, Ubuntu Linux 15.04 and Mint Linux 17.2. I followed Marve's answer here: ...
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Busybox initrmf disk by UUID not found ubuntu 14.04

I am aware there are few more questions about this problem, but this is slightly different. I am running Ubuntu 14.04 and windows 8.1 on a dual boot Samsung laptop. This setup has been working ...
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22 views

deleted linux mint from win 8.1 dual boot and cannot reinstall linux [on hold]

Until yesterday i had a dual boot of windows 8.1 with linux mint 17.2 Rafaella Cinnamon x64bit.Via the terminal i deleted something that i shouldn't and then when i rebooted the pc ,linux stuck at the ...
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9 views

Ubuntu does not appear in Grub, Boot Repair goes on indefinitely

I installed Ubuntu 12.04 (32 bit) in my desktop alongside Windows 7 using unetbootin by making separate partitions for / and /home. Installation went fine, but after restarting the Grub menu showed ...
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8 views

grub2 insmod Secure Boot

Will grub2 load signed grub modules when the system is set to Secure Boot? Where are signed grub modules? How can I tell if a grub module is signed? I have my system set up to boot Windows or ...
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13 views

make grub messages remain visible

Is there anything I can do to make grub messages stay visible long enough for me to read them? In particular, is there a way to change the grub interface from the (apparently) character mode graphics ...
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4 views

tri-boot boot loader issue

hi guys I've been trying to set up a tri-boot on my new system all on one drive just separate partitions. I installed a hackintosh of OS X Yosemite, Windows 10, and Ubuntu 14.04.3. I've finally gotten ...
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22 views

Ubuntu 14.04, Windows 10 dual boot problem GRUB

I have just upgraded my laptop to Windows 10 from Windows 8.1. However, every single time I select windows 10 from the grub menu, the windows 8 loading screen comes on first then it changes and boots ...
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14 views

Deleting an a ubuntu and windows 8 dual boot and replacing with only ubuntu

I already have windows 8 and ubuntu 15.04 (dual boot) but I want to install ubuntu 14.04 LTS edition and make it my one and only os.I saw an option during the ubuntu 15.04 installation to remove ...
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26 views

Ubuntu 14.04.3 Installation Broke Windows 10 Boot

I installed Windows 10 Educational edition today on the first of three partitions on a Toshiba Satellite and then proceeded to install Ubuntu 14.04.3 to the second of the 3 partitions. Ubuntu will ...
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13 views

accessing GRUB after getting black screen after installation

I'm installing Ubuntu 14.04 LTS on an old macbook pro (2007, version 3.1, Core 2 Duo with nvidia graphics card Geforce 8600 M GT). For the live-version to work, I had to add nomodeset to the ...
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0answers
7 views

How to add CD/DVD to boot sequence

I have a macbook pro that dual boots Ubuntu and OS X. When I enter grub on ubuntu with a bootable CD inserted, I don't get an option to load from the CD drive. How can I allow Ubuntu to start to boot ...
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21 views

Cannot Install/Boot Ubuntu

So this is my first experience/attempt with Linux. I have been trying to install Ubuntu v14.04 on an old MacBook Pro 17" 2.4GHz Intel Core 2 Duo. Each time I try to Live-Boot from the USB, I get an ...
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33 views

how to remove the only OS ubuntu14, install win8.1

dual win8.1 and ubuntu 14 used well, then I delete the ubuntu partition on disk managerment of win8.1. reboot it. then appears grub and can't enter BIOS, maybe is related to uefi. I accidently choose ...
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22 views

stuck in GNU grub with no OS

Linux novice here however I've been playing around with Ubuntu and ultimately came into a bug in 15.04 and wanted to revert back. I decided to install os-uninstaller to completely wipe ubuntu OS off ...
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1answer
26 views

Configuration for green tty's foreground and boot text after grub menu

I have set up my system (Ubuntu 14.10) for a text boot up. I need to configure my ttys and boot in such a way that it shows green font for boot messages and ttys.Right now, after the grub menu(which ...
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13 views

Unable to install Grub2 on any drive

Installing Ubuntu-Mate Desktop Amd64 15.04 (same problem with Ubuntu Desktop Amd64 14.10) for the first time, on Dell Studio XPS. Only let me choose an external (USB) hard drive; install partitioned ...
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1answer
27 views

Two windows entries in the GRUB list

everyone. I am not new to ubuntu environment but I use it as a secondary os. Recently, I had to reinstall ubuntu as dual partition to my windows. When I try to customize my grub order, I noticed two ...
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23 views

Reinstall GRUB to partition?

Recently my BCD corrupted, so I reinitialised it from a LiveUSB, and added my Ubuntu partition back to it. Unfortunately the kernel isn't loading, so I thought to reinstall GRUB. The results below ...
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17 views

Installing ubuntu 15.04 the install freezes at installing grub2

I was using 14.04 and tried upgrading to 14.10 and during the install it freezes when installing grub2. So I reinstalled 14.04 and tried again and same problem. I downloaded the 15.04 and tried a ...
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14 views

Newly installed system won't boot, how to disable k10temp from GRUB2?

I just installed Ubuntu GNOME (via the minimal install, as no other Live CDs would boot) on a desktop computer which has an AMD Triple-code Phenom 8450 processor. The issue is, that after one reboot ...
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1answer
16 views

Location of grub on gpt partition

As far as i undersood the grub program is located fully in the efi partition if i have gpt partition scheme instead just as a link like it was in the older mbr. So now if i remove linux partition will ...
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1answer
10 views

`install-grub` claims that I have multiple partiton labels and that embedding is impossible

I am trying to get GRUB installed on my non-booting desktop computer, but I am encountering several errors. Other sources discussing these errors have ascribed them to either a lack of free disk space ...
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1answer
28 views

Grub Rescue Windows 7 and Ubuntu 14.04

I have an HP Pavilion p7 1010 with 10GB RAM that's dual booted with Windows 7 Home Premium and Ubuntu 14.04. I tried upgrading Windows 7 Home Premium to Windows 7 Professional, and it said that it did ...
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1answer
83 views

GRUB2 shows Windows 7 instead of Windows 10

This is a Q&A that I recently have figured out, so I have posted the answer below. After installing Windows 10, every time I get a kernel update or I run the update-grub2 it always shows Windows ...
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14 views

How to install Grub from Ubuntu?

Am new to this. Trying to set up a headless NAS machine. So I created a bootable USB Ubuntu 14.04.3 LTS with persistence and SSH setup using my MacBook Pro. So how do I make it such that when I ...
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37 views

Installing Ubuntu 15.04 after Windows 10

I've got two disks with Windows 10 installed on one of them (sda). I want Ubuntu 15.04 on the other (sdb) with a grub menu to allow me to boot into either. I've attempted this previously ended up with ...
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17 views

Graphic problems in Ubuntu 14.04?

A week I was having a problem booting into Ubuntu. The symptoms were as follows :- Unable to shutdown Ubuntu Missing mouse for a few seconds after boot Laptop must undergo a force restart after a ...
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26 views

Dual booting Win 10 / Ubuntu - Even after Boot Repair twice, it doesn't boot to GRUB

I have a Lenovo ThinkPad Yoga 15 and as the title says, I want to dual boot this distro alongside Windows 10. Thing is, I've been having a problem with the boot order. It always goes into Windows 10 ...
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2answers
9 views

How can I install Ubuntu onto a software RAID 10 array?

I'm planning to set up a low-traffic server using RAID 10 with four disks. I'd like to have Ubuntu 14.04 installed onto that RAID array. I've seen plenty of guides explaining how to set up RAID 10 ...
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2answers
118 views

Ubuntu 14.04.3 LTS with Windows 10 UEFI GUID custom installation

I have used Ubuntu for many years and someone gave me a computer with Windows 8, later updated to 8.1 and, finally, to 10. The thing is I want to install Ubuntu LTS (14.04.3) alongside Windows 10 ...
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22 views

Ubuntu 15.04 with Windows 10 - Windows' system choose screen?

Is there any option to install Ubuntu 15.04 with Windows 10, but without GRUB - with Windows' system choose screen?
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1answer
28 views

Grub boot corrupted after installing Windows 10

I know this question has been asked several times but all the solutions I found googling didn't work at all. I am not sure if this is a grub issue or windows 10 issue. So, I had a disk with Ubuntu ...
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1answer
52 views

Windows 10 does not boot from GRUB

I have a problem. I have installed Windows 10 on /dev/sda1 an Ubuntu 14.04 on /dev/sda6. I use GRUB as bootloader but (I don't remember since when) when I choose Windows in the menu it does not boot ...
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14 views

Getting grub to detect ubuntu installation

I realize there are probably many questions about this topic already, however, I can't find a solution for my specific problem. I have an ubuntu gnome installation which I don't want to reinstall, ...
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0answers
17 views

Ubuntu 15.04 Boots to a blank screen after Enabling Virtualisation in BIOS

I had dual booted my pc with Windows X and Ubuntu 15.04 I happened to enable the Intel Virtualisation flag in BIOS, and found that the PC does not boot into Ubuntu as after the grub2 screen, after ...
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17 views

How to delete triple boot Ubuntu 14.04 Mint 17 & windows 10? [duplicate]

I have installed windows 10 ubuntu & mint on my pc now i want to remove ubuntu and keep linux mint & windows. so how to delete ubuntu? what will happen with mu GRUB & MBR if i delete my ...
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75 views

Directly booting into Windows 10 after installing Kubuntu 15.04. No Grub menu

I installed kubuntu 15.04 in UEFI mode (since my windows 10 was also installed in that mode), but instead of showing the grub menu while starting up, the system is directly booting into windows 10. ...
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16 views

Dualbooting - lost Grub

I am dual booting OSX Yosemite and Xubuntu 15.04 on my macbook pro 11,2. Anyway, after the install, the macbook boots directly to xubuntu. if i want to boot to OSX, i have to press the ALT key. Is ...
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18 views

Help With the grub menu

Alright here's my situation. I bought a laptop with windows 8.1 already installed in it. I dual booted it with ubuntu 15.04. It worked perfectly fine. Then i upgraded it to windows 10 and then when i ...