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

learn more… | top users | synonyms

0
votes
1answer
7 views

Grub2 not bootable

I replaced the internal HDD of my Lenovo Z570 by an SSD drive. Then I put the HDD in an external case and tried to boot it over usb; but the BIOS of my PC does not recognize it as bootable and just ...
2
votes
1answer
2k views

Cannot find grldr in all devices

I'm running wubi on XP machine. Started out originally with 8.04, and gradually upgraded to 10.04. Recently, I was creating linux bootable USB drive, and put it in my system to see if it would work. ...
0
votes
0answers
24 views

Booting from USB sends me to Grub rescue mode

I have Ubuntu 14.10 and I followed the instructions here perfectly and I used the BIOS to boot from my USB (F12, InsydeH20) and after a few seconds, it sended me to Grub rescue mode. Whenever I boot ...
-1
votes
0answers
17 views

On a Ubuntu PC graphics became slow and jumpy after making changes with GRUB2

I have a Ubuntu system. All worked well. Then I created a separate dedicated boot partition and got GRUB2 working on that partition. It boots. But my graphics became slow and jumpy. The resolution is ...
1
vote
0answers
2k views

How do you boot Arch Linux with systemd without X11?

Ran an upgrade recently that borked my whole setup(with catalyst drivers). It caused artifacts at login/desktop and then a hard lock. However, I'm not asking about those problems, what I want to ...
0
votes
1answer
6k 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. ...
0
votes
0answers
58 views

After installing minimal Centos 7 on computer, unable to boot on Windows 8.1 using grub2

I have installed Centos 7 minimal on computer, where was only already installed Windows 8.1. After that, I'm unable to boot Windows, whatever is the boot order in Bios, only grub2 with Centos start. ...
0
votes
0answers
38 views

How to recover kali linux grub rescue?

When I booted my computer in live USB mode and tried to mount the boot partition via terminal I encountered the following error mount: can't find /dev/sda14/mnt in /etc/fstab or /etc/mtab
0
votes
1answer
38 views

Switching a VirtualBox Ubuntu Server VM from UEFI to BIOS

I have a virtual machine running in VirtualBox of Ubuntu Server 14.04.1 LTS x64. When I initially set it up, I configured the VM to use EFI instead of BIOS. But, it turns out VirtualBox's ...
0
votes
0answers
13 views

From windows 8.1, how can I allow an already existent debian installation to be dual-booted?

I have a chromebook c710-2856, and have been in the process on installing windows and debian on it in the past few days. Right now, I have a 250 GB hard drive instead of the default 16 GB SSD, and I ...
1
vote
1answer
6k 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
votes
0answers
7 views

How to load FreeDOS iso from Grub2?

I'm currently loading FreeDOS iso (freedos-1.0-full.iso) from Grub4DOS, and Grub4DOS is actually first loaded from Grub2. Grub2 grub.cfg menuentry "FreeDOS 1.0" { setroot=(hd0,1) linux ...
0
votes
1answer
486 views

Add windows partition to grub2 boot loader in centos 7

I had windows 7 installed on my laptop. Then I installed centos7. Installation completed successfully, but when I reboot I can see only centos and centos recovery. I did not see windows partition. ...
0
votes
1answer
38 views

EasyBCD won't boot Debian after upgrade

I have a desktop that dual-boots Debian and Windows 7. When I turn it on, it uses the Windows bootloader, as configured by EasyBCD. If I select Debian, it then chainloads(?) GRUB, which lets me ...
4
votes
1answer
7k views

How do I add Windows 7 to GRUB 2?

I am having trouble adding Windows 7 to my GRUB 2 boot menu. I know similar questions have been asked and answered on this site and others, but none of the answers seem to work for me. My setup: Two ...
0
votes
0answers
6 views

Is secured GRUB unable to load drives?

Basically I'm trying to get GRUB's secure boot capabilities (no connection to UEFI) up and running. I've got a fresh install of Ubuntu 14.04 running in VMware Player 6 and after generating a signing ...
0
votes
0answers
13 views

Make GRUB changes permanent

At the GRUB command line prior to booting the kernel, I entered the following commands: trust /boot/boot.key set check_signatures=enforce Since I don't know how to boot my kernel from the command ...
2
votes
1answer
2k views

Unable to boot Windows 8.1 with GRUB, reboots everytime

I have two HD drives, one with Linux Mint Debian Edition, the other with Windows 8.1. I was able to boot both of them using GRUB, with no problems. Yesterday I tried to boot Windows after almost 3 ...
1
vote
0answers
27 views

Make certain files read only on boot

I'm running Ubuntu 14.04.1 LTS and GRUB2. I'm wondering if there is a way that, upon booting the kernel, I can have the kernel make certain files read only. I want this status to persist for as long ...
0
votes
0answers
81 views

Windows Boot Manager - Grub2

I have 3 partitions on my hard-disk with each one operating system. Windows 7, Windows Server 2012 R2 and Ubuntu 14.04. In the past I had (pre-)installed Windows 7, I shrunk some of it's disk size and ...
0
votes
0answers
38 views

how to properly set up grub2 with uefi on gpt

I've recently installed fedora on new ssd disk. Info: GPT, uefi partitions: (lsblk) NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda ...
1
vote
2answers
1k views

Make GRUB 2 boot Windows 8 safe mode

I have a dual boot configuration: Windows 8 Consumer and Ubuntu 11.10. I tried to install the Asus drivers for my motherboard (P8Z68-V LE EFI) in windows 8, and i now get bluescreens when starting ...
1
vote
0answers
42 views

Boot different OS if booted via Wake on LAN with GRUB

I have a PC running Windows and Linux. I want the Windows system to be the default system because this PC is mainly used for gaming. I do, however, occasionally use it as my remote development box. ...
3
votes
1answer
1k views

How to add Windows 7 entry to GRUB2

Just completed a new computer build. I installed Win7 on a 2-disk RAID0 fakeraid. I then unplugged those drives and installed linux mint on a separate drive. I did it this way because if I left the ...
0
votes
0answers
21 views

unable to boot ahter instalation : freeBSD

I have ubuntu installed in my system. I just installed freeBSD 10.0 in to my system. Where /dev/sda1 is where my ubuntu is installed , and /dev/sda2 is where I install freeBSD. Installation of ...
0
votes
0answers
9 views

GRUB Booting from subdir Issue

I am encountering a boot issue: My primary linux distro was not installed on / but (I don't know why the developers chose it) on /@/ which implies that my rootfs lies under /@. However when I ...
0
votes
1answer
77 views

How to install Windows in a fresh formatted hard drive?

I was having problem concerned with dual boot of Windows and Ubuntu because I had Ubuntu already installed in my system. Well, there was something wrong with my boot/efi partition's VBR or my hard ...
0
votes
0answers
41 views

Multi-distro LINUX from grub2. LVM Vgs not detected

Having a very weird problem with LVM in linux earlyspace. My system runs with 4hdds. Three are sata and one is eide/pata (/dev/sdd). I'm using grub2 to manage several OS's (two debian, one ...
0
votes
1answer
57 views

Installing newer version of linux over an older version on a windows dual boot laptop?

I have an Asus laptop, with a recovery partition and windows 7 installed. I installed Linux Mint 13 on it, dual-booting it with Win 7. Now I want to remove Linux mint and on the same partition space ...
0
votes
1answer
988 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 ...
0
votes
2answers
162 views

How to install Grub2 to multi boot two Windows 7 for booting from two different HDDs?

I own a HP DV7 laptop that supports 2 HDDs. I have installed Windows 7 on each HDDs separately, each one with their own bootloaders, who do not communicate with each other. The problem is that when I ...
-1
votes
4answers
4k 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.) ...
0
votes
0answers
191 views

Triple boot windows 8.1 ubuntu 14 and kali linux

I currently have ubuntu and windows 8.1 installed. I have the grub 2 bootloader. I just want to know how to get kali linux on my machine too, I am a newbie. Can someone make a video for me or show me ...
0
votes
1answer
153 views

Debian grub bootloader can't find windows 7

I have been using Windows 7 for quite a while on my machine in the following configuration. I have three hard drives, all different sizes, with Windows being installed on the largest. This is also the ...
0
votes
0answers
52 views

start debian in vmware ,it goes to a black screen

When i start debian in vmware,and it go to the black screen and i can't even find a place to login,maybe it is because i change the file of grub in /boot/grub/grub.cfg by adding this set ...
0
votes
0answers
130 views

Grub Installation Failed: Fatal Error … now what I do?

I know there are some threads that touch this but I feel I have done something uniquely stupid. hence the post and plea for help. I am a beginner @ Linux. So I have a PC with a HDD (hard disk ...
0
votes
0answers
87 views

How to boot from SD Card with GRUB2 being on another device?

I want to install some OS on SD card (i.e. Chromium OS), but my laptop doesn't support booting from SD slot. Thus, I decide to add static entry for my specific SD card to GRUB2 menu. And I can't ...
4
votes
2answers
10k views

Searching for grub configuration file in CentOS 7

Im searching for grub.conf file in CentOS 7. I cant find it with locate(I called updatedb before). Where does it stores? In older versions of CentOS I could find it.
0
votes
0answers
57 views

grub2 freedos attach virtual floppy disk

I'm interested in loading freedos under grub2 and attaching a virtual floppy to it The aim being to have a folder on the usbkey containing several tar.gz files (such that it is quick to add a new dos ...
0
votes
0answers
35 views

Does GRUB2 support dynamic menu entries for removable external storage?

I want to boot my laptop from different kinds of external media, but my BIOS doesn't detect all of them as bootable devices, i.e. SD Cards. I don't want to manually create menu entry each time I ...
0
votes
3answers
10k views

Linux installation won't boot due to GRUB “no such device” error

I think I've exhausted all I know to do, so I'm sending up the flares. I'll try to cover it all (albeit, in pieces), so please be patient. I decided to install Linux Mint 11 where I previously had ...
0
votes
1answer
222 views

Why does GRUB 2 give me a recovery command line unless I reboot from that command line?

When I boot my computer, whether it be from the OS software reboot button or the physical power button on my laptop, GRUB gives me a command line. That, by itself, isn't so strange. I'd just assume ...
1
vote
1answer
51 views

password md5 equivalent in grub2

In the old version of grub, we can prevent the user modifying the boot option in menu.lst with the following line: menu.lst password --md5 <password> In grub2, I tried to add the following ...
1
vote
1answer
591 views

I need to install GRUB 2 for Windows 8.1

I have Windows 8.1 32-bit on my PC and I want to install Kali Linux 1.0.8 64-bit or Ubuntu 14.04 64-bit on my PC (my PC can run a 64-bit OS). I need GRUB2 to install the OS to my bootloader but I ...
0
votes
1answer
119 views

Grub doesn't see external drive (Intel mac)

I have an Intel Mac (MacMini) and an external usb-drive. On the internal drive, I have a partition with an OSX install, and one with Ubuntu+Grub2. On the external drive, I have a copy of my complete ...
0
votes
1answer
119 views

How can I make GRUB bypass Windows bootloader?

I have two hard drives, one with fedora and another with Windows XP and 7 on two partitions. When I boot my machine, GRUB sees Windows 7 bootloader and allows me to boot windows by going through ...
0
votes
0answers
60 views

Dual-Boot Windows XP and Vista Without Windows Boot Manager?

I have been dual-booting FreeBSD (1st partition) and Windows XP (2nd partition) using Grub2 (configured in FreeBSD). I just installed Windows Vista on my hard drive's 3rd partition. To boot Vista I ...
2
votes
1answer
859 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 ...
0
votes
2answers
31 views

Virtual disc, missing bootloader. How to boot?

I had a netbook with HDD partitioned into 3. On one of the partitions (say /dev/sda2) i had an instance of Crunchbang Linux installed. I had backed it up using 'dd' command (dd if=/dev/sda2 ...
0
votes
1answer
46 views

How to fix ubuntu boot alongside windows 7

In the beginning I had only Ubuntu on my pc. After I installed Win 7 in another partition. Then Ubuntu boot doesn't starts anymore? I need dual boot: how can I fix it?