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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Cannot boot into Windows Vista from grub menu

I had installed Ubuntu 14.04 on Already installed Windows Vista on the same partition /dev/sda. I have the older BIOS based laptop NOT UEFI. I was able to work on both Ubuntu and Windows selecting ...
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14 views

no bootloader. only grub screen appeara

Windows 7 and Ubuntu were installed on my laptop . it was working zsmoothly until now. The bootloader dosen't show up and grub shows up instead
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2answers
32 views

An interesting case of Dual Boot Shenanigans. (dell inspiron 7000)

So, my harddrive recently went bust under warranty. As such, Dell shipped me a replacement. And a USB stick containing a full windows 8 installation and repair media. In the land of OEM installs and ...
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25 views

how to get GRUB or the Windows Bootloader to load Windows 8.1 and Linux Mint Cinammon 17.2 [on hold]

I set up a dual boot with Windows 8.1 and Linux Mint Cinnamon 17.2, and i can access either of these if I change boot priority in the Bios Menu, but I can't access them from the Windows Bootloader or ...
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1answer
18 views

winusb installing windows

m novice to ubuntu, and pretty novice to termianl and commands I followed commands on this page "Installing WinUSB on Ubuntu 14.04" to install winusb. lastly it asked where to install or upgrade ...
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1answer
8 views

How can install the catalyst/flgrx driver, for only a single kernel version (or GRUB menu entry)?

A while ago, I attempted to install flgrx on a machine with an AMD/ATI Radeon 6480g (SUMO) on an APU, which ended poorly and ended up requiring a reinstall because of the config being thoroughly ...
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1answer
17 views

Ubuntu kernel doesn't boot up right

I compiled a Ubuntu 15.04 kernel last night and installed it this morning. It showed up fine in my grub but when I tried to boot it, it booted me to my Ubuntu 14.04 instaed. What is going on? Also, ...
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2answers
24 views

Standalone Grub2 EFI installation - grub.cfg placement?

I'm trying to use Grub2 as the boot manager on an EFI system in standalone mode. (The only persistent harddisk has OS X on it; Linux and Windows drives may or may not be present at times, hence the ...
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0answers
23 views

How can I fix the missing /NST/AutoNeoGrub0.mbr on Windows 8.1?

I have installed Ubuntu 15.04 onto my Windows 8.1 UEFI SONY VAIO laptop. I installed ubuntu by clicking 'something else' in the installation window. I then made 3 partitions: /boot , / and a swap ...
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2answers
39 views

How to remove unnecessary EFI entries from GRUB?

How I can get rid of these unwanted GRUB menu entries. My Ubuntu and Windows is getting loaded properly but these unnecessary entries I don't need it. Thanks in advance.
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40 views

How can I install windows on this disk?

From little searching, seems like this mbr is corrupt so it doesn't want to install windows on windows partition... ubuntu is on sda1 and I can remove this but I don't want to remove home folder in ...
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13 views

Can't boot after installing Ubuntu 14.04 with disk encryption

I install Ubuntu to one of my hard drives, and selected both "Encrypt the new Ubuntu installation" and "Use LVM with the new Ubuntu installation." After trying to use that drive as my boot device, I ...
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17 views

Install Ubuntu on logical partition - location of Grub stage1

Computer setup as follows: One SSD and one HDD. Win7 is on SSD, entire drive is single C:partition with the OS & all programs. HDD is formatted as one single extended partition containing 3 ...
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0answers
17 views

Windows running into boot loop after Ubuntu 14.04 install

I have tried all the solutions available online, but no avail. I am facing a boot loop for windows OS whenever i restart the system. I installed ubuntu 3 days back and windows was working fine until ...
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0answers
41 views

Problem with dual boot configuration. UEFI vs Legacy?

In my friends laptop previous operating system is Windows8 with UEFI boot mode. I change it UEFI to Legacy mode for Linux installation. But after Linux installation one problem occur. Windows8 boot ...
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0answers
13 views

cant load grub2, even though it's ready to go on the hdd

My netbook (acer aspire one250D) cant load GRUB2. It loads the BIOS and I can access the boot menu. Unfortunately after that, it is just a blinking cursor (e.g. '_') . So it doesnt matter what boot ...
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0answers
20 views

moving ubuntu and windows partition

I wish to move my windows partition to the last drive and my Ubuntu partition to the first section of drive to make it fast. I have used windows for 6 years and i am done with it since I have found ...
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1answer
12 views

Maintaining multiple Linux distros - boot and grub partitions

Here is my GParted view of /dev/sda The unallocated blocks were once another Ubuntu distribution - I will resize my other partitions to consume them soon. /dev/sda2 holds my Debian installation's ...
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1answer
19 views

Ubuntu 14.04 is not recognizing Red Hat 6 Enterprise Linux to do Dual Boot

My biggest issue is having Ubuntu recognize RHEL as an Operating System. I initially installed RHEL first and then tried Ubuntu. When installing Ubuntu, I wouldn't get the statement that says, " we ...
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0answers
10 views

Installing GRUB2 on Intel RAID1 volume fails to boot

I've come here as a kind of last resort, hopefully someone will be able to help me. I work for a company which sells POS systems, recently we started using the HP RP5 5810 PC as the heart of our ...
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1answer
20 views

Unable to Wipe my SSD from linux

I have an SSD which I've installed Ubuntu on, it was completely clean. I installed it and encrypted it. I decided I wanted to wipe my hard drive for a new install without encryption. I'm unable to do ...
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1answer
28 views

Ubuntu and Windows [on hold]

I installed Ubuntu to other partition and I didn't delete the Windows partition. I installed successfully but İ can't open Windows. I doesn't come up in grub at start up. It is the output of sudo ...
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0answers
14 views

I no longer detect any OS or hard drive after updating from 12.04 to 14.04

I updated the my system from ubuntu 12.04 to 14.04. I had installed the OS on the partition /sda. After I restarted my system, I was taken directly to boot menu and the boot menu no longer showed that ...
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0answers
13 views

error: unknown file system entering rescue mode

Hi all i really want help with a pc running ubuntu 14.04 LTS only from 2 days ago and its stuck on GRUB RESCUE and i tried a lot of things that i found on the web and nothing work for me...like i ...
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2answers
19 views

Boot ISO file via GRUB2

I'm migrating my multiboot USB drive from syslinux+grub to grub2. I'm now searching a way to boot my ISO files. I'm searching for a chainload method. So I don't want to add kernel and initrd ...
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0answers
5 views

loopback module for grub with secure boot

I am building a multi-boot usb stick with ubuntu derivatives. I followed several tutorials found online: essentially, you put the isos on a usb stick and then you boot them using grub, which is ...
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0answers
22 views

Ubuntu won't boot after installing on MacBook Pro 6,2?

I installed Ubuntu Trusty Tahr(14.04) on my MacBook Pro 6,2. But, after installing all the updates, and restarting, I can't boot anymore. I installed The rEFInd Boot Manager, on my MacBook. At boot ...
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1answer
37 views

ASUS X555LN Brightness fn key not working in Ubuntu 14.04

I have installed Ubuntu 14.04 on my ASUS X555L Laptop using an nVidia GeForce 520M Graphics card. The fn+f5/f6 keys are unable to adjust brightness. Currently my screen brightness level is maximum. My ...
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0answers
14 views

Keyboard will not work for encrypted login

I'm running Ubuntu 15.04 (Ubuntu gnome). When I start the computer, it shows the gnome logo and asks to enter my encrypted password to unlock the disk. However, I cannot enter the password. Nothing ...
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0answers
26 views

How to choose which OS to start in dual boot with Touch Screen and no physical keyboard?

I (now) own an HP Slate 2(b2a28ut) which it's a fancy piece of technological art. It does look like a tablet itself and it acts like an Android Tablet because of its Capacitive Touch Screen, but it is ...
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0answers
50 views

Ubuntu 14.04 on is not booting, bootmgr is missing, press ctrl + alt + del to restart

My system refuses to boot normally from the SSD, I tried to run boot-repair from a USB, after reboot the problem persist, here's the Boot repair info script Boot Info Script e7fc706 + Boot-Repair ...
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0answers
7 views

How to get out of grub after failed update, WITHOUT a cd reader

I tried to install the new version of ubuntu. It took a long time and i let it go on while i slept. When i woke up there was a black screen with commands saying something about the battery. I tried ...
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0answers
14 views

Everything except GUI is black

Since I installed Ubuntu 14.04 on my laptop, I have many problems on it (that I don't have on Debian 8) Indeed, when I switch to TTY with CTRL + ALT + F(1-6), I get a black screen, same problem when ...
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0answers
13 views

grub2 not working, showing purple screen after selecting ubuntu or windows

grub2 wont boot anytithing, it just shows purple screen after i select windows or ubuntu but when i install grub legacy ubuntu works perfectly but i cant add windows 8 to grub legacy. Any help is ...
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0answers
25 views

Can't Boot Ubuntu 14.04 after software updates

I installed Ubuntu 14.04 into my per-installed windows 8 computer and uses dual-booting for a wile with out any problem. Three days ago Ubuntu flagged me with some software updates and I let to ...
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2answers
30 views

Messed up grub boot order

While I was messing around with my boot order I moved efi firmware to the top and restarted my machine. Now I am stuck in a loop of uefi and boot orders trying to get back to my desktop. How do I fix ...
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0answers
18 views

What is the kernel command line to completely disable bluetooth in /etc/default/grub?

What is the kernel command line to completely disable bluetooth in /etc/default/grub? I need 25 characters to ask such a simple question because of "quality standards"?
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0answers
19 views

How to add windows 8 to Grub 2 [duplicate]

Ok, my computer has windows 8 preinstalled, i wanted to have dual-boot so i tried to add ubuntu in the easyBCD, now i cant boot to windows and in grub2 only ubuntu appears. I ran the boot repair and ...
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0answers
16 views

Error Booting to Windows after removing Ubuntu

I wanted to remove Ubuntu to reorganize my hard disk, I deleted Ubuntu partition then I run this command in Windows repair "bootrec.exe /fixmbr" but when my Laptop boots it shows a screen says ...
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0answers
24 views

Problem with Multiboot and Grub

Sry for my Bad English, I am from Germany:D My Problem is that my Grub bootloader had a problem a few days ago,I couldn't change the options with Grub Customizer or anything. It says that a file is ...
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1answer
37 views

Operation System not found after installing Ubuntu 15.04

I had my perfectly working Dell XPS with several ubuntu based distros installed on it (ubuntu 14.04, 15.04 and elementary luna and freya) Then I tried antergos and installed it to one partition. ...
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0answers
23 views

Black screen with white underscore not starting and no option for reboot [duplicate]

After installation from bootable USB it worked well, but when restarted after some time,this black screen occured. Any fixes for this? And the purple screen also doesn't come. It only stops at the ...
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0answers
27 views

Can't boot into Windows 8.1 after installing Ubuntu (Elementary Freya) [closed]

I wanted to try out Linux so I installed Elementary OS Freya (which is apparently an Ubuntu fork) following these instructions, but I lost the ability to boot into Windows now as it doesn't show up in ...
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3answers
46 views

Old kernel version still running after several updates

Currently running 3.11.0-18, but many other later versions are installed. For some reason the updates aren't getting selected for grub: $ uname -r 3.11.0-18-generic Listing kernels: $ sudo ...
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2answers
21 views

Windows gone and ubuntu not working [duplicate]

I installed ubuntu alongside windows 8.1 and i installed correctly by creating partitions and the laptop finally says restart to use ubuntu but when i do , it agains diplays a gnu grub version showing ...
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0answers
22 views

Windowse/Ubuntu dual-boot disk separation

I have a HDD and an SSD. I have a win8 and Ubuntu in two separate partitions on my SSD. First win8 has been installed and then Ubuntu. Boot-loader grub comes up and I can select my OS. Now, I feel ...
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0answers
20 views

Sound is gone after booting system in text mode

I started using GRUB_CMDLINE_LINUX_DEFAULT="text" grub argument for my boots, and recently noticed that the sound is missing. I start GUI from terminal using startx command, here's my .xinitrc ...
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1answer
23 views

getting issue when booting system in Ubuntu 14 in laptop

I am getting these kind of errors when booting system: READ FPDMA QUEUED (DRDY ERR) READ DMA EXT What I need to do for this? Is this HDD issue? I should replace it with new HDD?
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0answers
9 views

Boot Live CD from HDD and unlock HDD

I boot Live CD from HDD with following grub menu item menuentry "Ubuntu 14.04 ISO" { set isofile="/boot/iso/ubuntu-14.04.1-desktop-amd64.iso" loopback loop (hd0,5)$isofile linux ...
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1answer
14 views

grub(violet screen) did'nt apppear

previously i had windows 7 and windows xp.I formatted the drive containing windows xp .i installed ubuntu 15.04 through USB and allocated the previously formatted drive to it.ubuntu installed ...