GRUB2 is the second revision of the GRand Unified Bootloader, with versions numbered 1.9x and 2.yz.

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How to delete Ubuntu without damaing another Linux distro?

I have 3 partitions on my computer they're dual-boot, Red Hat, Ubuntu & Windows 8. I want to get rid of Ubuntu and keep Red Hat & Windows 8. What would be the safest route to achieve my goal. ...
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1k views

Dual boot fedora 23 and Windows 10 issue

I had Windows 10 installed on my machine. When I decided to also install Fedora 23 using Dual boot, Fedora was working fine, but when I tried to boot Windows 10 I had a problem. In the grub boot menu ...
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24 views

Grub on 2 partitions, only want on one

Some context to start: Have Windows 10, Ubuntu, and Kali 2 installed as a triple boot configuration on my laptop. I recently installed Kali 2 after having just Win 10 and Ubuntu as I was interested ...
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230 views

Unable to shutdown Windows after installing GRUB

(Hope this is the right place to ask this) I've a Asus ROG laptop that came with Windows 8.1 preinstalled, I upgraded it to Windows 10 and then I wanted to install Bunsenlabs Linux as dual boot. The ...
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47 views

Ubuntu is not listed on the GRUB

I installed Fedora23 on a GPT partition(also chose LVM option). There is no option now for Ubuntu on the GRUB list when I boot normally (without interfering). However, if I hit F9 on bootup and go ...
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290 views

grub2 cannot see filesystem on alternate /boot partition

I have 2 (soon to be more) independent OSes. Right now it is just CentOS 6.6 and 7, but will be adding several more. I can boot CentOS 7 cleanly, but 6.6 will not boot. The error is: error: no such ...
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37 views

Can grub2 on an MBR disk boot linux partitions on a GPT disk?

I have grub 2 running win 7 ultimate, win 8.1 and win 10 as well as 50 or so linux partitions that boot off of the grub 2. Can I add more entries to the grub 2 on one of the mbr disks that will boot ...
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128 views

Install Grub2 UEFI Fat32 to EFI - No Linux OS

Ok, so usually (correct me if I am wrong), but when you install Grub, part of it gets installed inside the Linux OS. /etc/default/grub or /etc/init.d/grub etc etc. My Goal is to get Grub2 to be my ...
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262 views

Grub not showing windows

So I decided to dual boot kali linux and windows 8. I follow the tuts in here http://docs.kali.org/installation/dual-boot-kali-with-windows But when everything is done and I reboot, grub not showing ...
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25 views

boot .iso image using Grub

Has anyone been successfull in setting up GRUB2 to boot an .iso image stored on the harddrive. Instead of installing it on a disc on flashdrive. I have been successfull in setting up a windows ...
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2k views

grub menu not showing in dual boot Linux mint 17 & windows 10

I know that this is a common problem but my situation is a bit different. I had a perfectly working Linux Mint 17.2 and Windows 10 in dual boot with grub menu showing and giving me options on what to ...
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93 views

Unable to get past grub or BIOS

I have an Asus X200CA. It came with DOS. I installed Linux Mint (which is based on Ubuntu). It was working well until one day a USB stick was pulled out without removing it safely. At the next bootup, ...
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1answer
139 views

How do I clone a single drive onto a new RAID 1 array?

Here's a little background on the situation at hand. I have a DELL Precision T7600 at work that I'm responsible for maintaining, which just lost a hard-drive, thankfully just the /home directory was ...
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1answer
399 views

grub2 gone everytime I boot Windows 10

I installed Windows 7 on a SSD and upgraded it to Windows 10. Then I installed Linux mint 17.2 Cinnamon and had the following partitions: The boot menu was showing Linux Mint and Windows 10 and I ...
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1answer
60 views

Boot problem with grub; Arch Linux, Xen, DomU

Inside my Dom0 My error log: sudo xl create /etc/xen/arkOS-Dev_PV.cfg /var/log/xen/bootloader.1.log pyGRUB version 0.6 ...
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2answers
303 views

No grub menu after Ubuntu install, booting directly into Ubuntu

I have two separate SSD's. One of them has Windows 10 Pro installed, and the other has Ubuntu 14.04.3 LTS. When my computer boots I get no grub menu to choose the operating system I want to boot ...
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1answer
101 views

GRUB Menu Not Visible

I have a bootable external USB drive with Ubuntu 12 LTS, which I move between two PCs. On one machine I see the normal progression from BIOS boot device menu -> GRUB menu -> normal system splash ...
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214 views

Boot problem with grub; Arch Linux, Xen, Dom0

After installing Arch I installed grub with these commands: pacman -S grub grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=grub --recheck grub-mkconfig -o /boot/grub/grub.cfg ...
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93 views

how to use grub-uboot

On an ARM-based device, I'd like to chain-load uboot->GRUB->Linux I see there is a Debian package that seems to be made for that, however I can't find no documentation whatsoever how to use it (ie. ...
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324 views

Add Android x86 5.1 RC1 to GRUB2

I just installed Android x86 5.1 on my Laptop and tried to boot it. But sudo update-grub2 neither added nor detected Android. I did not install GRUB2 from the Android x86 installer, because it needed ...
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116 views

Can I disable the intergrated gpu in my optimus laptop to use only the Nvidia GPU?

My BIOS does not include an option to disable my intergrated GPU, bumblebee/primusrun provide terrible performance, nouveau doesn't support 900 series GPUs (and has subpar performance too anyways) and ...
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12 views

Boot menu weird bug: Not every selected entry gets highlighted

I have a dual boot system with Linux mint and windows 8. At the start up the boot menu (grub) appears as usual. The weird thing is that the entries in the boot menu are highlighted only every second ...
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40 views

Grub2 displaying 4 entries after CentOS7 update

I'm new to CentOS, but I'm familiar with general Linux command line. After installing CentOS, I ran "yum update" as root and now my grub displays 2 more entries: CentOS Linux ...
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105 views

Booting DragonFly BSD with GRUB2Win fails

After manually adding insmod part_dfly in GRUB.cfg, partition search by file does find loader. Then, rather than Dragonfly booting, only blank screen appears. GRUB has an elf.mod so the reason is ...
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129 views

Getting grub terminal after removing Ubuntu partition and unable to boot into Windows

I deleted my Ubuntu partition cause I wanted to install Linux mint. But now when I switch on my laptop, I'm unable to boot into Windows. I'm getting a grub terminal (not sure if it's grub rescue mode) ...
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423 views

How can let grub boot Kali directly instead of giving me a command line on boot?

I Installed Kali Linux 2.0 64bit (full version) using USB device in dual-boot with Windows 10, done without error if I remember well. My device is an Asus TP300LA (UEFI), enabled CSM in bios, and ...
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1answer
412 views

How to fix a very broken grub?

I have a very broken Fedora 22 install. Everything was working absolutely fine until I decided to dual boot F22 and Linux Mint MATE. I had Fedora installed on an SSD, and I installed LM on a ...
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1answer
27 views

How to set which GRUB loader to use after dual booting two Linux OSes?

After installing Kali and accidentally its Grub-loader, I want to change it to the previous one of my Ubuntu installation. The reason is that the Ubuntu grub-loader can Secure boot while Kali's does ...
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32 views

Why do Linux ISO's boot to grub?

I'm trying to re-install Debian 8 on my SSD after recently deleting my Debian 8 partitions, but it doesn't seem to boot like I'm used to. Instead, of the normal grub screen to begin installation, it ...
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1answer
505 views

GRUB not loading after installing OpenSuse TumbleWeed

Recently I decided to switch from Ubuntu to OpenSuse so normally I attained the TumbleWeed image from OpenSuse and began installing it. The installation process finished without any problem but after ...
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55 views

Different boot partitions for dual boot

I finally decided to manage partitions in my hard drive and install different OS's. I have used Ubuntu for a few years, and I'm fairly familiar with its installation. Now I want to try OpenSUSE, but I ...
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1answer
22 views

Live DVD hangs at GRUB2 on boot

I have a live Slackware 14.1 64-bit iso that hangs at "Welcome to Grub!". MD5 sums check out for the downloaded image. The computer in question has successfully booted live images of other operating ...
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1answer
23 views

Linux as 3rd boot OS

I would like to install another linux kali beside my linux mint and win10. My question is, do I need make 3 partition again for installation, /root /home and swap od I don't need swap because I ...
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512 views

Sign GRUB2 bootloader to enable UEFI secure boot

Following preliminaries: Linux 4.2.3-gentoo GRUB2 UEFI, Secure Boot off Now, I want to mess with the secure boot so I'm able to turn it on. More or less following this guide, I have: backed up ...
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37 views

grub-install fails when image is 64 meg and succeeds when image is 256 meg

In the two scenarios below the tst.sh script is exactly the same, except that dd creates a 64 meg image in the first case and a 256 meg image in the second case. (image size is defined by the count ...
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Linux Mint - Keep Grub2 on two independent HDD's

HDD partitions: sda1 efi/boot (grub 2.02 installed here) sda2 / sda3 swap sda4 home The above hard drive is installed internally with Linux Mint 17 as the OS. I have a 2nd external hard drive ...
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157 views

How to get the very first boot messages in high resolution

After upgrading to debian jessie I abandoned the proprietary nvidia drivers and switched to nouveau. I am using grub2 to boot. Kernel is 3.8.2 compiled from source. my graphics card is an nvidia ...
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1answer
54 views

Reset admin password in Cent OS 7 from grub [duplicate]

I just recently installed cent os 7 and I forgot the admin user password so now I couldnt log in and locked out. I entered the grub boot menu and tried to change the password using password command ...
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1answer
394 views

Grub not loading config file or booting into linux automatically

I was trying to dual boot elementary os with windows on my laptop (Asus Zenbook UX305). To do that I shrank the windows partition using the windows disk manager, and then used the Elementary ...
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28 views

How to set grub command for other distros on Ubuntu

I am currently running Ubuntu and Fedora on the same system. I am using the instance of grub which came with ubuntu to select which one to use when I boot. I need to add rdblacklist=nouveau to the ...
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167 views

LINUX Ubuntu Gnome 15.04 Grub2 doesn't detect other SO

I bought a new machine, New Intel i7 Haswell-E 6 Cores processor, 16Gb 3000MHz DDR4 Memory on a GA-X99 Mobo. I put in it 3 new SDD Disks: One for a clean Windows 10 (Works Fine), One for a clean ...
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65 views

Why doesn't Ubuntu (and Mint) install a boot sequence

I've tried to install a new Linux operating system and I've tried different flavors (x)ubuntu, Mint etc. With and without encryption, with and without LVM, but I'll always get the same error. When ...
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Does an unintentionally plain “grub-install” mess my system up?

To check my grub version, I issued a ~# grub-install -v with the -v (verbose), instead of -V (version) option. (It is grub 2.02) As I didn't specified any device, what did the command? And can I ...
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1answer
350 views

Grub won't boot after Linux installation

After getting fed up with Ubuntu because it wouldn't boot grub, I decided to use the distro Elementary OS. Elementry OS won't boot grub either. I'm not dual-booting, and I've installed Ubuntu in the ...
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101 views

Grub2 and mounting a rootfs

I am trying to boot a machine using a version of the kernel (linux-2.6.32.68 - unpatched) that I have compiled and mount a small root filesystem. I have created a small ext2 file system using the ...
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233 views

How to boot linux without an initramfs?

As the title says I'm looking for a way to boot an existing linux kernel without an initramfs. According to this link it should be possible simply by editing /boot/grub2/grub.cfg. But if I try this ...
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1answer
362 views

GRUB : file not found after an update from Debian Wheezy to Jessie

I have an online server which was running Debian Wheezy. Yesterday, I updated it to Jessie. I had no problems during the upgrade, but when I rebooted the machine, it didn't go live. I'm able to ...
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89 views

Set Grub2 boot loader as a default boot loader

I have windows 8 and CentOS 7 on my machine, Every time I'm booting my computer with Windows 8, It sets it's boot loader as a default and whenever I boot from CentOS it sets it's boot loader as a ...
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1answer
136 views

Grub not loading at boot

I just installed Fedora, I had just one partition before it was Windows 10. When I do grub2-mkconfig it reconize all my partitions including Windows, but at the boot grub is not loading I dont know ...
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392 views

Install Grub2 in UEFI

I have overridden the MBR from Windows 10 using EasyBCD and now I can't boot into any system. What I've tried So I've followed these instructions: ...