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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Windows 7 installed on ubuntu but system not able to boot windows

I have recently installed windows 7 on ubuntu.. This is how I did it- first I made a ntfs partition for my windows 7 installation, then I made a bootable usb from an iso file of windows 7 , and I ...
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13 views

Suspend during upgrade to 14.04 caused CORRUPTION

An accidental suspend when my laptop was being upgraded from 12.04 (64bit) -> 14.04 (64bit) has stopped the system from starting up. It gets to GRUB and runs through the startup procedure but stalls. ...
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6 views

Install GRUB on the MBR of an HDD inside a Win7 machine

Install GRUB on the MBR of an HDD (non-boot, it's just IN THERE) inside a Win7 machine. It must be very simple. I just failed to successfully google my problem. I dont want dual boot, I dont want to ...
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0answers
12 views

boot from grub2 to windows 8 [duplicate]

I duel booted my windows 8 with Ubuntu. Ubuntu started to give many errors so I tried to uninstall it by destroying the partition. The problem is that I cannot return to windows 8 because my computer ...
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1answer
11 views

Bootloader/Grub can't boot but recovery works but still can't boot

Hi I have an issue with running ubuntu on sdcard The usb is 8gb and partitioned into : sda1 : 900MB (FAT32) sda5 : 512MB (swap) sda6 : 6GB (EXT4) root Ubuntu 15.04 is already installed. But when I ...
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1answer
22 views

Dell Latitude D400 won't boot because of grub! [closed]

Please could I have some help with getting rid of grub; it stops me from reinstalling windows XP! Please answer! I have no OS.
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0answers
12 views

2015-06-22 Ubuntu 12.04 LTS updates broke login console

I am running several ubuntu 12.04 servers in a virtual and bare metal environment. On 2015-06-19 we applied all available updates to a handful of machines and those updates have broken things. One ...
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1answer
22 views

A new SSD with copied partitions and UEFI dual bootable

I got DELL Inspiron 5521 notebook with 1Tb spinning drive /dev/sda which holds several partitions, Win7 among them on /dev/sda5 and Ubuntu root partition on /dev/sda7. It is dual EFI bootable. Today ...
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19 views

Dual boot with windows and user GRUB

I have 3 storage devices. An SSD with windows on it and 2 HDDs. I want to install Ubuntu on one of the HDDs but I want it in a way that when the computer starts up I get the GRUB selection thing. Im ...
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24 views

GRUB rescue mode after deleting ubuntu partition

I had windows 8.1 preinstalled on my MSI cx61 2pc 1214xes. I installed Ubuntu a lot of time ago, in dual boot. But this morning I wanted to remove it in order to have more free space. So I deleted the ...
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11 views

I think its called grub tool bar im not too sure but its gone

I have ubuntu 14.04.02 all of the sudden when i turned on my computer my tool bar was gone , the one to turn my computer off and check wifi terminal , so i wasnt sure what happened but nmy internet ...
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17 views

Windows installation issues [closed]

I went into my BIO's to change my boot priority because I'm installing Windows over Ubuntu because I personally prefer Windows. Well I didn't see an option for IDE CD so I addded [ATAPI CD1] and ...
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10 views

How do I deal with the isw ERROR?

>>sudo update-grub Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. Found linux image: /boot/vmlinuz-3.13.0-55-generic ...
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0answers
56 views

Make Grub start from live CD [closed]

I have a dual boot setup between Windows 8.1 and Ubuntu. My laptop had secure boot but I ended up disabling it because I couldn't install Ubuntu. I now boot to Grub, where I can choose what OS to boot ...
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2answers
46 views

Deleted Ubuntu partition and can't access Windows anymore

I'm a linux newbie and I need some help. I partitioned my HDD and managed to install Ubuntu 15.04 along with my pre-installed Windows 8.1, but when I tried it, it kept crashing and restarting by ...
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0answers
15 views

fresh install 14.04, screen and wifi not working on reboot

I am having strange problems with ubuntu LTS, fresh install everything goes ok, no errors to be seen, works ok accept when i try to do a software shutdown or restart when it gets past the grub ...
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0answers
21 views

boot repair gets aborted

Installed Boot-Repair and ran (Recommended Repair); it gets aborted showing me this message: "Please use this software in a live-session (live-CD or live-USB). This will enable this feature"... which ...
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1answer
108 views

Installing Ubuntu after failed installation with flash drive (no disk drive)

I'm trying to install Ubuntu (version does not matter to me) alongside my Windows Vista Operating System. My laptop does NOT have a disk drive, so I have to use the bootable flash drive option. ...
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1answer
53 views

Ubuntu 15.04 grub doesn't load windows 8(shows a red screen with white stripes)

I recently bought a NEW dell inspiron 3543(i5 5th gen) laptop. (I have used ubuntu before as duel boot with my older machines but didn't get this.) I installed windows 8 and then ubuntu 15.04 to use ...
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27 views

Urgent. unknown filesystem grub rescue ubuntu

I have linux under windows partition. I have 4 disks in which one of them windows is installed and 2 for data. Another one is 15gb hard drive, Which always asks me to format either i open it in ...
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1answer
32 views

Installed Ubuntu alongside Windows 7, can't boot Ubuntu

I've downloaded the iso for ubuntu, put it on a bootable usb stick, installed ubuntu alongside windows 7 (allocating disk space during the installation, taking it from the hdd on which my windows 7 is ...
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2answers
36 views

Is it possible to use ubuntu alongside windows 8 without any bootloader(grub, win8 etc.)?

I want to use ubuntu alongside my windows 8, but when i press the power button, i do not want to see any bootloader, i want windows 8 automatically begins, and when i want to use ubuntu, i want to use ...
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1answer
13 views

Unable to run Bootinfoscript

I'll try to be as clear as possible by mentioning exactly what i did.I've formatted my windows drive and installed it again and after that installed ubuntu 15.04.The bootloader installation failed so ...
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0answers
26 views

LVM, GRUB2 and whole disk boot

Ubuntu 14.04.2 LTS on a HP N54L My existing layout is a LVM on a parition as per default Ubuntu install.   sdd 8:48 1 29G 0 disk      └─sdd1 8:49 1 28.9G 0 part ...
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1answer
32 views

grub missing after laptop maintenance [closed]

I cleaned my laptop fan today, having to remove my hard disk. Now, grub is missing : my laptop boots on windows automatically. I had a debian testing - windows dualboot. Boot Mode : [UEFI] Secure ...
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1answer
26 views

Can't open file to disable splash screen

I'm on Xubuntu 15.04 32 bit if that means anything. It's a fresh install. I'm trying to disable the splash screen. (There actually doesn't seem to be any. It's a black screen from boot until I get to ...
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23 views

why grub menu is not showing on startup, when i press F9 on startup than only my laptop shows grub menu

I installed ubuntu 14.04 on my hp laptop along with windows 8.1 pre installed. both operating systems (ubuntu & windows 8.1 ) are working well.problem comes when i start my laptop it never show me ...
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27 views

Window Bios lost After setting environmental variable [closed]

I have installed Ubuntu 14.04 in my laptop After setting the environmental variable , i have been lost the bios booting in my laptop , i am using the Lenovo G500 preinstalled windows 8.1 , i have ...
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23 views

Optimal/typical configuration for dual boot Windows 7 and Ubuntu

I've got Windows 7 x64 and Ubuntu 14.04. After upgrading from 13.10 to 14.04 my Grub has been trashed, and I now need to try and fix it. Using boot-repair, in 20 different permutations of settings, ...
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2answers
56 views

GRUB menu while installing xubuntu 15.04

I have windows 7 installed on my system and I'm trying to dual boot my system using a live usb stick of xubuntu 15.04(64 bit) which I created using unetbootin software. my issue is when I boot from ...
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25 views

Ubuntu 14.04 won't boot after running windows drive on PC EFI / LVM question?

I have an Acer desktop box that came with a windows 7 on the hard drive. I added a 1TB hard drive (with the windows 7 original drive disconnected) and installed Ubuntu 14.04 using the LVM option. As ...
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1answer
28 views

Fedora 21 entry missing from grub

I was using fedora 21 and ubuntu 14 on dual boot. I did not notice when it happened, but now my fedora is missing from the grub entry(ubuntu grub is working) and I am not able to access it. I ...
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1answer
36 views

shutdown: Unable to shutdown system from root shell (init=/bin/bash). (ubuntu 14.04)

I made some changes in the boot options in grub to directly login into the root shell viz. Press e at the GRUB2 boot menu. Change the line ro quite splash $vt_handoff with rw init=/bin/bash press ...
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13 views

Virtual machine created from dual boot

I have a dual boot laptop with windows 8.1 and ubuntu 14.04. Want to create a virtual machine of existing windows8.1 and use this VM in Ubuntu/ Virtualbox of the same physical machine. Created the ...
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17 views

Trouble booting after each kernel update

For some days now I have trouble booting after updating the kernel. I'm using UEFI without secure boot. Until 3.19.0-18 it all worked fine. When upgrading to 3.19.0.20 the system did not boot with ...
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1answer
21 views

Cloning SSD with dd But Clone Does Not Boot

At my job we have always used dd to make clones of our master os image, but recently we have updated from Ubuntu 12.04 to 14.04. We made an image of it and created a news SSD with it. sudo dd ...
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2answers
27 views

How to make GRUB work again? [duplicate]

I installed Ubuntu and then Windows 8. How can I make GRUB work again so that I can choose which system I want to boot?
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0answers
24 views

How to automatically boot into Ubuntu? Dual boot with Windows 8.1

Unfortunately I have to use Windows from time to time as some programs are only available for it. I have an SSD on my desktop for fast boot up, which is absurd if I have to wait to select my OS every ...
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1answer
22 views

Ubuntu 14 Raid not booting

i'm having issues for booting my Ubuntu 14.04 Server. I have two discs 320GB. I upgraded the disks from two 160GB and everything was working ok. Those disks were one IDE and the other SATA. Now both ...
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124 views

Ubuntu 15.04 dual boot error with Windows 8.1 with UEFI and SecureBoot

Greeting's, I've tried to install windows 8.1 + ubuntu 15.04 thrice now. But both the time's i'm left with a peculiar problem. I have UEFI and Secureboot enabled. In the UEFI there is no option to ...
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21 views

Grub timeout does not work with hibernation in 15.04

Before installing 15.04 this worked fine, now grub timeout works only if I restart, if I hibernate and then turn the computer on there is no timeout and grub menu is displayed indefinitely. How can I ...
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26 views

Install from ISO image on the same hard drive

I am working with the assumption I have a computer with a single hard drive, no USB connectivity and no access to external disks (no optical, diskette or network drives). No PXE either, of course. ...
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2answers
25 views

I want to dualboot Windows 8.1 and Ubuntu 14.04

I want to dualboot Windows 8.1 and Ubuntu 14.04, can someone please show me every step for doing so. Please don't send links to videos, just type it for me please. I want to dual boot on one single ...
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0answers
11 views

Screen flickers for a second during boot up

I am running dual boot with windows 8.1 and elementary os freya on my Hp laptop. During boot up, after I select the OS in my grub menu and before the elementary icon loads (boot splash), the screen ...
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73 views

Help creating Custom Grub2 Entry for Parted Magic 2015 (Have working 2013)

I love parted magic, I want to be able to use the newest version. I got my custom entry from Help Ubuntu and tweaked it a bit to my system and made it simpler. It works with the version from the ...
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1answer
79 views

Boot-repair: Can't boot ubuntu in uefi mode

I am aware that there are many similar questions in this site, but none of the seems to solve my problem. I've been trying to install ubuntu 14.04 alongside a preinstalled Windows 8.1 in a toshiba ...
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1answer
24 views

Grub does not show up at start, cannot select older kernel

I just built a newer kernel and tried to install it. I use a script (which I have successfully used before) to that effect. Now the kernel won't start. It shows: Loading Linux <my version ...
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22 views

windows keeps rebooting when starting

just two hours ago I turned off my Toshiba laptop and everything was fine. I turned it on again and tried to choose Windows from Grub (since I have dual booted Ubuntu with Windows). this happened to ...
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21 views

Dual Boot Slows Boot Time

Boot into Ubuntu has become very slow. Boot speed was acceptable when triple booting into Ubuntu 15.04 (sda), Windows 7 (sdb) and Emmabuntu (sdc). Booting to Ubuntu became very very slow after ...
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26 views

GParted Boots to Grub Console

I've made a GParted live USB and it boots into grub console mode instead of the GUI boot menu of GParted. Doing anything wrong? Edit: Could it be possible that this isn't the boot menu from GParted ...