Grub2 is Grub version 2, a multiboot bootloader from the GNU project.

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3
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8k views

Dual-booting Kali Linux and Windows 7, error with file: “\NST\AutoNeoGrub0.mbr”

I have tried to install Kali Linux 1.0.6 alongside my current OS - Windows 7 64 bit. I have a Dell computer, with SSD hard drive only (256 GB). At first I tried installing Kali a few times and made a ...
0
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1answer
16 views

Ubuntu unable to boot from clean install

Here's some background in case it will help: I've recently been having trouble booting my computer, as you might have guessed. For some background, it started when I tried to re-install some NVIDIA ...
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14 views

(UEFI) Not booting from USB and bootloader overwritten

Okay, I'm really out on a limb here... I was creating a UEFI bootable USB thumb drive for reinstalling Debian Jessie. I was really careful during the process not to touch my main drive at all. ...
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vote
1answer
3k views

Linux Mint livecd does not recognize Windows 8 partition

My system has two SSDs. I re-installed Windows 8 onto the disk0. I want to install Linux mint on the other SSD. Secure-boot is disabled, fastboot is disabled, csm is enabled I run Linux Mint 16 x64 ...
0
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1answer
3k views

Boot Kali iso from HDD in existing boot menu

Currently, we have FOG as our computer imaging solution. All PCs have PXE boot setup, and FOGs boot menu is showing. What I would like to do is to add the Kali iso as a start-up option, which would ...
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4answers
20k views

Can't go into BIOS to change boot device

I completely erased my Hard Drive and installed Ubuntu 13.04 on my Lenovo B570 laptop. After a few months of using it I wanted to remove it, so I reboot my computer and pressed F12 (MultiBoot List.) ...
2
votes
1answer
3k views

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System EFI Entries During Ubuntu Setup, Ubuntu automatically created an EFI start ...
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15 views

Deleting one of the OSs in a multiboot arrangement

I am multibooting Windows 7, Linux Mint and Suse Leap on one computer, having installed these OSs in that order and each into separate partitions. Since Suse was the last OS to be installed, the ...
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0answers
33 views

How to merge GRUB with Windows loader

My system has Windows 7 pre-installed, I later created a new partition and install Ubuntu 14.04, recently I just install Windows 10 in another partition. Everything when fine except that GRUB ...
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0answers
31 views

Cinnamon 17.3 Grub Failure on Re-Installation

How can I force Mint 17.3 Cinnamon to ignore a grub error to complete the installation? Or how can I fix the grub lock? I am attempting to reinstall Mint Cinnamon 17.3 on a Microsoft Surface 2 Pro ...
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1answer
50 views

EFI and GRUB2 where to get binaries and how to mount the boot system

UEFI and GRUB2 Anybody knows the site to get the binaries (bootia32.efi and bootx64.efi) to boot grub2... also the GRUB2 binaries... and a good tutorial help on this... I want to make a multi-boot ...
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24 views

Can grub2 access files on fat32 USB?

This post relates to using grub2 in an MBR boot scheme not GPT or EFI. What must I do to allow a file's contents to be read from a USB fat32 file using grub2? I press "c" to get to the grub console ...
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1answer
665 views

Grub rescue command line, chainloading Windows 7 installer

I currently have grub2 installed on a Baytrail tablet along with Ubuntu 14.10 (64-bit) and Windows 8.1 (32-bit). The tablet comes with 32-bit UEFI only firmware, and a 64-bit atom processor. Using ...
3
votes
3answers
310 views

Can GRUB2 be installed to USB and used to select between 2 HDDs with Windows 7?

I have recently acquired a second SSD, and decided I would utilize a multi-boot setup to increase my productivity. One drive is for "work" (only contains Windows 7 and software needed for work) and on ...
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1answer
36 views

How to reinstall truecrypt on the MBR?

I've googled this so much and can't find the answer. I had a dual booted system with a TrueCrypt encrypted Windows partition and a non encrypted Ubuntu partition (accessed with GRUB2) that was ...
0
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1answer
15 views

How can I add lua support to grub2, or at least file copy functionality?

I am trying to add lua support to grub2 and having a devil of a time finding info on how to do that. The links provided in the answer to (String manipulation in Grub2) no longer have any lua ...
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0answers
27 views

Is it possible to copy files with grub2 scripting?

I am trying to work out a few details for a dual boot, public use (i.e. public library context) that runs Windows 7 and Linux. I am using Windows 7 and Linux Mint. Windows 7 runs on a VHD file (...
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1answer
806 views

String manipulation in Grub2

One of the new features of Grub2 is scriptability. At my work we're using it to great affect. However, I recent stumbled on a terrible short coming. There isn't any string manipulation or ...
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0answers
42 views

How to GPT+UEFI boot on VirtualBox Linux guest

I managed installing my guest Linux in the VM. But I found the entry added by "efibootmgr" will not persist over reboot. Currently, this is what I am seeing: BootCurrent: 0002 BootOrder: 0000,0001,...
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4answers
3k views

From GRUB2, boot an ISO in an LVM2 logical volume

tl;dr - Is it possible to boot from a .iso file that is located in an unencrypted lmv2 logical volume? How? I'm trying to set this up in a VirtualBox VM before I do it for real with my laptop. I have ...
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2answers
92 views

What is the difference between Windows UEFI bootmgfw.efi and Windows UEFI bkpbootx64.efi? [closed]

My computer screen while starting computer Also help me by explaining why windows UEFI loader was first taking me to windows but now is redirecting back to this window.
3
votes
1answer
30 views

Set up dual boot Debian (Mint LMDE) Linux + Windows 8.1 **without** efi

The specifics is that in my case Windows 8.1 is installed not in EFI mode: so the partition table is in msdos/fat format and there is no efi partition. Unfortunately: All how-tos and manuals I've ...
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vote
1answer
28 views

Booting a Linux Live tool from FreeBSD UFS2 partition

I would like to boot a Live Linux CD, without needing the CD. Take for example GParted or CloneZilla. Which I periodically boot off their Live CD. But I would like to eliminate the use of the CD/DVD ...
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25 views

After shutting down windows, grub boots to command line interface

I have a dual-boot setup on my Asus Laptop. I have an SSD which holds my Windows 10 and an HDD which holds my Linux Ubuntu and a partition for data for windows. My laptop also uses UEFI. When i boot ...
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48 views

Windows 10 causes GRUB “TPM error 2”

I had a dualboot on my laptop: Windows 8 + Fedora 23. Recently I've re-installed Windows and immediately upgrade it to version 10. Then GRUB 2 bootloader was restored using Fedora Live USB stick: # ...
0
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1answer
64 views

What could be causing Windows updates to fail?

I have a multi-boot system with Ubuntu 16.04 and two copies of Windows 10. The partition layout is as follows: /dev/sda1, file system = ext4, size = 30.52 GiB, label = Ubuntu 16.04 /dev/sda2, file ...
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0answers
11 views

Cutting strings in GRUB2 shell

Is it possible to cut strings in GRUB2's shell like I can in bash? Let's say I have a variable str that is set to This is a test.. How can I extract a substring from it? Things like ${str:2} don't ...
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0answers
42 views

What do I need to boot Windows 10 from a usb drive on grub2?

I am trying to install Windows 10 on my Dell XPS 13. I installed the ubuntu 16 I have running now from a bootable usb, but I have not succeeded with windows 10. I got the .iso from microsoft: https:/...
0
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1answer
52 views

Can't start linux , boot linux

Model: ATA TOSHIBA MQ01ABD0 (scsi) Disk /dev/sda: 500GB Sector size (logical/physical): 512B/4096B Partition Table: msdos Number Start End Size Type File system Flags 1 32,3kB ...
0
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1answer
55 views

Unable to boot into Ubuntu 15.10

I have Ubuntu 15.10 alongside a Windows 10 OS. My issues has nothing to do with the latter btw (I hope). I had few tutorial videos in the Videos folder in Ubuntu, which I wanted to move to another ...
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0answers
51 views

Grub will not boot to windows

I recently installed Ubuntu with the grub boot loader that comes with it. After the install Grub fails to find the Windows. My setup: HD1 & HD2 -> Samsung SSDs in Raid0 via Motherboard ...
0
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1answer
20 views

Debian pvmove of root lv into raid10 device resulted in unbootable system

I was in the process of moving logical volume extents onto an raid 10 array assembled with mdadmin. One of the logical volumes moved was the root directory (debian testing system) which was previously ...
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0answers
93 views

How to setup grub fallback functionality for Centos-7

I have multi-boot environment Centos-7.1(Kernel-4.2.6 on /dev/sda3) Centos-7.1(kernel-3.10 on /dev/sda2). I want to boot through Centos-7.1(kernel-3.10 /dev/sda2) on failure of Newly installed (...
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0answers
68 views

Virtualbox: booting OS X guest on Ubuntu host on a Macbook Pro

I want to boot Linux natively, and boot the Mac's own native OS X virtually inside Linux. I've followed the same procedure as I've used in the past to boot Windows partitions in a Linux host, but it ...
0
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0answers
58 views

Grub2 not showing Windows after dual boot with Arch

I have recently installed Arch Linux from Architect and came into a problem after install where Windows 10 does not show up on the grub2 menu. The only options that show up are Arch Linux and more ...
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0answers
123 views

Ubuntu not booting properly from Grub2Win

I installed the Grub2Win utility and was able to set up the grub2 boot loader successfully. When my system boots, I am able to choose an operating system. Windows currently works fine, but when I try ...
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2answers
1k views

grub2-install: error: /boot/efi doesn't look like an EFI partition on a fresh Gentoo install

I need a Gentoo 13 machine to test some software on the platform. I'm not a Gentoo regular, so I'm suffering their install procedures. I'm at Configuring the bootloader | Installing GRUB2, and it ...
0
votes
1answer
139 views

grub2 and windows in UEFI mode woes

My /etc/grub.d/40_custom reads: menuentry 'Windows 10' { set root='(hd0,1)' chainloader +1 } Yet when I try to boot windows 10, I get an error stating that the path to EFI is wrong. The ...
0
votes
2answers
477 views

How to register/convert a restored linux OS (bios) to EFI booting

First let me explain my current set up. I recently scrubbed my two main drives and converted them to GUID. On the primary drive (sdb in my case) I have created an EFI boot partition (ESP) on /dev/...
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0answers
64 views

Unable to boot after kernel upgrade

My PC triple boot Windows 10, Ubuntu 15.10 and Kali 2016.1. It boots from Ubuntu Grub. Everything worked fine until yesterday. Yesterday Kali released version 4.4 of the kernel and I installed it. ...
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0answers
63 views

GRUB2, how to automatically boot Debian?

About 1.5 year ago I got myself a new Acer laptop that came with Windows. The first thing I did was a complete format and install Ubuntu, I think it was version 14. Trying to manage Python versions I ...
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0answers
32 views

Grub2 boot unpacked Windows iso from usb

I'd like to boot unpacked Windows 7 iso from usb. What I have: 16 GB usb with ext2 and fat32 partitions (both about 5 GB). Grub2 installed on usb, which loads pure iso images from ext2 partition (...
0
votes
4answers
7k views

How do I recover the MBR on a Thinkpad t420?

After a messy Linux upgrade of my dual boot Lenovo T420 I ended up with GRUB replacing my MBR. Everything works fine: I can boot both Linux and Windows; the only thing different from before is that ...
0
votes
1answer
29 views

Installed Ubuntu on a USB and got some unwanted results

So, I wanted to install Ubuntu on a simple usb drive but it also installed grub2 on my system (which I didn't want) and now all hells broke loose. Apparently, it set the USB as dev/sda and my default ...
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2answers
86 views

Unable to install Grub manually

I sent as unable to install Grub It says that cannot find efi directory Please refer the image for error details I am installing it from live Kali linux
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0answers
68 views

Error installing grub during Kali Linux Installation

I was unable to install grub during the KaliLinux Installation It is showing the error grub-install dummy failed. This is a fatal error See image below:
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vote
1answer
75 views

Linux in external Hard Drive

I installed linux on a external hard drive but when the external hard drive is unplugged I cannot access windows(kind of grub appers, but grub is in the external hard drive), only if I put the ...
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vote
1answer
212 views

Grub2 EFI falls to Grub Shell unless I hit F12 immediately after power on

I have Opensuse Tumbleweed together with Windows 10 on my Asus ROG laptop. The issue is quite weird - every time I power on or reboot, Grub2 EFI falls to grub2 shell and randomly it doesn't see the ...
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2answers
10k views

Dual boot (Windows 8 + Linux Mint 17) UEFI system boot windows only

I have been working on a dual boot system with windows 8 preinstalled and linux mint 17 for a month or so. After applying an update in linux grub loader does not appear and system only boots windows. ...
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0answers
43 views

grub always hides menu and boots to Ubuntu 14.04; must press ESC

No matter what I change in /etc/default/grub or /boot/grub/menu.list, grub always hides the menu, shows a 10 second countdown timer, and then boots to default (Ubuntu 14.04). To access MacOs, I must ...