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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How to prevent switch to text mode during boot

I'm trying to get a full graphical boot in ubuntu. That is using burg/grub in graphical mode and launching the kernel directly in graphical mode, without switching to text mode and then back to ...
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11 views

Light display manager wont start on boot after updating to ubuntu 15.04!

Hello all Ubuntu experts. I am a bit of a noob when it comes to updating OS and upon updating from Ubuntu 14.10 to 15.04 I see lots of programs (I think) that say OK next to it. The list keeps going ...
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1answer
9 views

Stuck in GRUB after removing Ubuntu

I need very specific help, how do I boot windows 8.1 when I am stuck in the GRUB "Minimal BASH-like line editing is supported..." I cannot boot from installation media as I have none and need help ...
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13 views

GRUB not appearing after installing Ubuntu 15.04 on Windows 10 dual-boot

I have recently upgraded from Windows 8.1 to Windows 10. I tried to install Ubuntu 15.04 in dual boot configuration. PROBLEM: The system directly boots into Windows without the GRUB screen appearing. ...
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1answer
17 views

How to edit the MBR in multi Boot scenraio?

I am currently using Lenovo Y 50 laptop with multi boot: Ubuntu 14.04 and Windows 10. Day before yesterday, I installed the windows update and now whatever option I select in the Boot Menu while ...
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14 views

Boot Faliure after installing 15.04 64 bit(Sordid Saga)

I got a boot faliure after installing 15.04 (disk, home folder encrypted) when it asked for a restart, the screen is dark but the processor fan running, pressing Ctrl+Alt+Del grub appeared and I ...
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1answer
16 views

Ubuntu won't boot because of grub

A couple of days ago i booted Ubuntu and got a black screen with text saying (grub rescue>) I've tried different tutorials on how to repair/restore grub but i get (error: attempt to read or write ...
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15 views

No grub, no terminal blank screen boot 14.04.3 LTS

I just installed Ubuntu 14.04.3 LTS, followed this guide http://www.yourownlinux.com/2015/09/how-to-install-nvidia-352-41-stable-graphics-drivers-in-linux.html to install nvidia drivers for my gtx ...
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12 views

How to recover windows 8.1 when installing Ubuntu 14.04 without creating a partition?

I have tried dual booting Ubuntu 14.04 on my Lenovo U410 but can now not boot Windows in GRUB. Looking now at other tutorials for Dual boots i realise that I hadn't created a partition for Ubuntu ...
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13 views

boot-repair crashed windows while i was trying

I tried to install windows 8.1 from dvd on ubuntu 15.04 installed first. It crashed grub2 so run boot-repair from usb. Grub was repaired and after restart there was its menu with three options: ...
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1answer
32 views

X205TA Ubuntu 15.04 Install

Netbook ASUS X205TA Windows 8.1 Single language with Bing, 64GBeMMC Samsung, 32GB Samsung EVO MicroSDHC Class 10 UHS-1, 8GB Sandisk USB 2.0. I've been able to Try Ubuntu from USB Flash Disk, create ...
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18 views

14.10 > 15.04 upgrade failed to install grub-efi-amd64-signed on Asus X205TA

The Short Story Asus X205TA, 32bit grub, 64bit Ubuntu 15.04, kernel 4.0.5-generic Problem: Partially installed grub-efi-amd64-signed causes error messages. Question: What should be done about that? ...
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20 views

ubuntu 15.04 install stuck with Invalid arch-independent ELF magic entering rescue mode

I tried to install ubuntu 15.04 on a windows vista PC with 2 HDD: sda= windows SATA disk with 2 partitions one being Windows vista bootable sdb= additionnal IDE disk to make trial install of Ubuntu ...
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0answers
29 views

Cannot dual-boot Kali Linux and Windows 8

I installed kali linux with grub dual boot with windows 8 on EFI based computer ok each time i boot into my computer it's give me 2 options I decided to delete kali partition and install ubuntu i ...
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0answers
15 views

How can i manage GRUB2 to have a windows setup files on a harddrive and may be able to install, and re-install windows alongside existing UBUNTU

I have UBUNTU installed on old celeron pc with legacy bios and all partitions on /dev/sda. I wonder how can i have windows (XP or 7/8) setup files placed on some prepared partition and be able to run ...
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41 views

Dual Boot Ubuntu and Windows 10

So after reading a lot of blogs and forums I have been able to create a new partition and install Windows 10 on my Ubuntu pc. I had to install Windows 10 because I go back to school. The Ubuntu ...
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0answers
18 views

Grub Rescue madness after changing Partitions [on hold]

I had elementary OS and Windows 7 installed. In Windows 7 i deleted the elementary OS Partition. After rebooting i got this: error: file not found. grub rescue> So I searched the internet and ...
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5 views

MAAS - PXE won't boot images

I'm currently trying to set up a maas/openstack environment for testing purpuses, but I've got problems with deploying the nodes. When I start the node that is connected to the private network of my ...
0
votes
1answer
37 views

updating grub causes windows to not boot

So when I select windows 7, it bounces back to the boot loader. Only way to fix so win7 can boot is load windows install DVD and bootrec.exe to repair the mbr. Then linux wont boot, only way to fix, ...
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0answers
12 views

Can't boot to Windows from grub

I had a dual boot system with Ubuntu 14.04 and windows 8.1 on my laptop. Recently, I upgraded windows 8.1 to windows 10. As opposed to my fears of losing grub or ubuntu everything was alright, but now ...
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1answer
24 views

Grub menu at boot time… “holding shift” not working

I read here at this thread that holding Shift during boot can bring up the GRUB menu. However I try holding one or the other Shift keys, tapping, tapping then holding, nothing works. Am I missing ...
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1answer
18 views

restoring grub 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 this guide but my boot repair doesn't have both ...
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20 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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28 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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40 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
30 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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0answers
20 views

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

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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2answers
50 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 ...
0
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0answers
11 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 ...
0
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1answer
31 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
33 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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5 views

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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25 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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0answers
10 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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12 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 ...
0
votes
1answer
18 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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0answers
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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0answers
36 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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0answers
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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votes
0answers
32 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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0answers
14 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
8 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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0answers
27 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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0answers
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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1answer
25 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
28 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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0answers
14 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
29 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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0answers
25 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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21 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 ...