GRUB (GRand Unified Bootloader) is a multiboot bootloader from the GNU project. This tag is for questions relating to the legacy version of GRUB. Use the GRUB2 tag for questions dealing with GRUB2, a rewritten version.

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Kernel panic after trying to boot back into OS X

I'm a bit of a newbie here! I installed Linux Mint today on my MacBook Pro after creating a new partition for it. Unfortunately it didn't recognize my wireless card. After a restart and trying to ...
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346 views

Booting Windows 7 from GNU GRUB v 1.99~rc1 Command Prompt

I just bought a new HP ProDesk 600 G1 SFF pc today. I booted it up for the first time and Windows 7 booted regularly. I created a user account and logged in. A prompt to backup my hard drive data with ...
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0answers
143 views

'executing grub install dummy failed' how to fix this?

I want to dual-boot my Win8.1 PC(HPpavilion17) together with Linux Mint 16.(x64) I've tried to install Linux several times but each time it says 'executing grub install dummy failed'. I tried both ...
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1answer
202 views

Grub dual boot- debian wheezy (encrypted) with another OS

I'm trying to dual boot debian wheezy (encrypted) with another OS (win7, uses 2 partitions) In the wheezy installer I have created a bootable partition with 200M and then tried to made another crypto ...
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0answers
69 views

Use GRUB to boot a specific disk partition in MBR

I have multiple Operating systems installed on different partitions of my hard-disk, each having one boot and one root partition. My requirement is such i have to do some testing using my scripts then ...
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1answer
107 views

Have windows 7 and 8 entry options in grub

I multi-boot windows 7, 8, and ubuntu. I have them each installed on a separate sda partition. I also use a program called "grub customizer" in ubuntu. I need a way to have the windows 7 boot ...
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1answer
87 views

microsoft boot manager replaced by grub2?

I was running my pc with Win 8.1. I was thinking about trying linux for a long time so I decided to give it a try. I tried to install it several times but I was never able to boot to it, all I could ...
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1answer
284 views

GRUB doesn't show up when second hard drive is present

I just finished messing with Windows 7 + Linux Mint dualboot and finally got it to work. Grub handles the booting. It works as expected as long as I have only my main hard drive connected. When I ...
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4answers
140 views

Replace a laptop hard drive (Ubuntu and Windows 7 installed)

I have Sony Vaio laptop. The laptop came pre-installed with Windows 7 OS. Later I installed Ubuntu 12.04 and Grub. Now the hard is showing early signs of failure. How can I replace the hard disk ...
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1answer
462 views

Windows 8 not loading after Ubuntu 13.10 installation

My system was running on Window 8 Pro. One thing to note is that, my system is an assembled PC. Yesterday I installed Ubuntu 13.10 on my system. After the installation, first I was not able to boot ...
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1answer
105 views

Disable GRUB boot manager from Windows 8

I decided to get rid of the Fedora installation on my hard drive by deleting the partitions and extending my windows partition. To repair the boot loader I used a Windows recovery disc and command ...
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0answers
75 views

After Ubuntu installation Windows 8 cannot be loaded from GRUB menu

After 3 weeks of trying, today I installed Ubuntu 13.10 in my system. My system was already running on Windows 8 Pro. I installed Ubuntu by manually selecting a drive. The installation was ...
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2answers
189 views

How to restore Ubuntu broken partition after Windows 7 install

I previously had a Windows 7 partition and a Ubuntu partition. When I formatted and reinstalled Windows 7, somehow the Ubuntu partition got corrupted. I can't open it and recover my files even with ...
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0answers
19 views

restrict runlevels at Boot Time

How can I restrict changing the runlevels at boot time, to be only changed by the root. grub append> ro root=/dev/VolGroup00/LogVol00 rhgb quiet 3 I am running CentOS 6.5.
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1answer
4k views

Issues installing Kali Linux alongside Windows 8

I am running Windows 8 64-bit with an i3-3230m with 750GB HDD and 8GB RAM. I installed Kali onto a 40GB unallocated partition. (Note: I had to change to Legacy mode in BIOS or my computer would not ...
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1answer
253 views

Have Yum Update vmlinuz, initramfs Symlinks In /boot Automatically (Fedora)

Whenever Yum updates the kernel, there's a new set of (vmlinuz* initramfs*) files in /boot and the Grub config is updated to directly point to those new files. Where is the setting that will force ...
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0answers
73 views

Installing Debian 7 grub into partition instead of mbr

As beacuse installation of grub somewhere else than in mbr during Debian 7 installation is not possible, i skipped that step. Next ive booted rescue mode and trying to install it to /dev/sda2 manually ...
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1answer
687 views

USB multiboot: Everything except Clonezilla works

I am trying to add the Clonezilla live iso to my multiboot USB key. Every other distro seems to work, but Clonezilla boots to the prompt (initramfs) instead of launching properly. I have modified ...
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1answer
54 views

Inhibit grub on multiboot with UEFI and GPT

I'm running a multiboot laptop with GPTs. The OS'es include Windows, Fedora, Debian and Ubuntu. Each distro tries to control booting the computer, but each has its own little quirks. For example, two ...
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1answer
98 views

Remove Ubuntu completely from my computer and install windows

I installed Ubuntu in my machine after formatting my computer. It is now difficult to remove and restore my Windows. The problem is that I can't boot from my Windows CD. I select the option to burn ...
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0answers
35 views

How to change the partition which MBR points to?

I can not boot my computer, so I use Ubuntu 12.04 Live CD instead. I change the partition of boot loader from sda9 to sda8, so the MBR cannot point to the correct loader. How could I do now? How to ...
2
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1answer
145 views

Ubuntu: change kernel order

How can I change the boot kernel order in Ubuntu server 13.10? grep menuentry /boot/grub/grub.cfg menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option ...
2
votes
1answer
581 views

Windows 8 won't boot after rewriting partition table

I was recovering a deleted partition using Testdisk to rewrite the partition table. However after that, windows 8 refused to boot up. On boot, I am presented with an blue screen saying that there was ...
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1answer
1k views

Install CentOS on top of Ubuntu (dual boot)

I have a Ubuntu desktop and would like to install CentOS on top of it as a dual boot. The machine has two drives, each with one partition. I don't want to risk harming my Ubuntu installation. I'd ...
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0answers
149 views

Trouble installing Grub2 on virtual disk

I'm trying to create a virtual disk with grub2 on it. I'm doing this because I'm going to be writing a multi-boot compliant loader. I want to test this on a VM, so I need a virtual disk with grub2 for ...
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0answers
169 views

PC reboots after “Welcome to Grub” unless booted from BIOS

I have a Linux machine running on an ASUS P8H77-I. The boot drive is correctly set in the BIOS. If I let it boot normally, I see the Welcome to Grub line, then it reboots, and repeats forever. If I ...
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0answers
54 views

Grub2 Control over remote serial?

I'm trying to control GRUB2 over a serial connection, but I can't seem to get it to work or find any real comprehensive guides. I tried once, but was unable to get any output, and had to reinstall ...
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2answers
57 views

Is GNU GRUB installed under a OS, or not under any OS?

BIOS, a boot loader, is installed not under any OS. Is GNU GRUB, another boot loader, installed under a OS, or not under any OS? Thanks!
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1answer
190 views

linux live on SD card - booting with persistence automatically

i am running a live debian distro with persistence off an SD card with linux live. this is all working fine, but in order to boot with persistence, i must currently press TAB and manually type in ...
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1answer
234 views

Zorin OS not starting?

I have Zorin OS and Elementary OS installed in the same partition of my computer. I am able to boot Elementary but Zorin OS is not starting. I use grub bootloader. When I try to start Zorin OS, it ...
0
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1answer
48 views

recovering from grub rescue screen prompt

I have got a Grub rescue screen on a CNC machining centre and I cant get the machine to boot up. I have looked up other questions relating to grub rescue can I restore grub without a live cd. When I ...
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1answer
23 views

Create live mulitbootable flash drive with linux and windows7

So recently I have been having some trouble with my laptop, been getting bsod... So I thought, instead of carrying my external around with me and risking it becoming damaged, why not create a ...
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0answers
53 views

Razer Anansi doesn't work in GNU GRUB 2

My new Razer Anansi keyboard does not function in the GNU GRUB version 2.00-19ubuntu2 bootloader that's running on my machine. The backlights do not turn on, and the keyboard is unresponsive. This ...
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1answer
2k views

Can't boot into Windows with Grub | Debian install

I have Windows 7 installed on a second harddrive, and I just installed Debian on my first hard drive. Sadly, the bootloader (grub2) is not picking up my existing Windows installation, and I can't ...
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0answers
458 views

Dualboot Fedora 20 + Windows 8 on separate drives

Well hello there, I have a little problem with my dualboot setup. So I decided to dualboot Windows (for gaming-puposes) and Fedora (for everything else), and I also decided to give them separate ...
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1answer
32 views

I Lost Fedora entry point

I had Windows 8 on my laptop and i installed Fedora 19 after that. I also installed grub-customizer on Fedora and I was being able to reach both operating system via GRUB screen on start-up. Recently ...
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2answers
161 views

Debian 7.3.0 - Is GRUB necessary?

I've been playing around with Debian lately, as it seemed to me like the most logical step after starting my Linux journey with Ubuntu (I really don't like Unity and installing GNOME along side it ...
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2answers
48 views

Unable to install the linux kernel

I downloaded the Linux kernel version 3.6.10 from http://kernel.org. I was on an Ubuntu Linux when I opened the .tar file to a separate partition of 30GB. My ideal aim is to have my current Ubuntu ...
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1answer
82 views

How to install MBR on to harddrive

Little bit of background... And i may be incorrect. Someone before me, installed the MBR on one hard drive & the Windows 2008 OS on another ard drive. So when the hard drive with the MBR went ...
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1answer
251 views

Why booting is stoping at the <initramfs> prompt?

I am running Debian Xfce on virtual box(Host OS : Ubuntu 12.04 LTS).In Debian i downloaded the source code of Linux kernel-2.6.32.61 from https://www.kernel.org/ and i configured it and compiled it ...
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0answers
91 views

multi-booting Linux distros in the same partition

When I install a linux distribution, I allot the disk space to be used during the installation. I could only use up to the allotment. When I am running out of disk space I have to manually shrink one ...
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0answers
42 views

How to copy GRUB from a 64-bit system to USB drive usable for a 32-bit system?

In order to have GRUB on USB drive, we have to clone it from somewhere it is installed. I need a USB drive with Linux (Ubuntu) in order to repair a 32-bit system. I have a 64-bit system where I will ...
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0answers
99 views

Grub Network Boot, where do system files go?

I have made a folder structure for network boot using PXE and Grub with the command grub-mknetdir. I have put those files in a valid served tftp folder on Server Machine. I have put a valid kernel ...
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1answer
202 views

Grub Customizer Crashes, reset Grub settings

I have a problem with Grub Customizer, I installed it and re-installed it, but every time I run it, it crushes before I can do anything. The thing is my Grub 2 Bootloader now is full with previous ...
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1answer
1k views

GRUB2 documentation about rd.lvm, rd.luks, and rd.md options

I was searching for documentation on how the options rd.lvm.lv, rd.luks.uuid, options work, but could not find anything relevant. The official documentation does not mention them. After installing ...
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2answers
235 views

Removing Windows entry from GRUB menu

I have installed Fedora 20 on an external hard drive partition. Windows is installed on an internal hard drive partition. When I boot from USB storage device (that is the external hard drive), GRUB ...
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2answers
540 views

How to add a new kernel entry in grub2? [duplicate]

Please anybody help me! I am building kernel from source code downloaded from http://kernel.org. I successfully built it and installed modules. Now i want that my kernel option should come at the ...
0
votes
1answer
36 views

Installed #! Linux with encryption; computer no longer boots

I am rather stumped as to what to do at this point. I installed #! Linux with the encryption option (using whole disk). Afterwards it installed grub as well. The computer no longer boots at all ...
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0answers
104 views

how to run xv6 OS after booting the computer?

I am learning the OS concepts with XV6 OS (for educating) and currently run it with qemu emulator in my ubuntu OS. and I read here to add menu entry to the grub when boot. I add these lines to the ...
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0answers
143 views

Using Grub to boot a raw disk image

I'm wanting to create (for personal use) a disk image which I can load from VirtualBox and also which will boot off my USB drive. My USB Drive currently has a number of ISO's, and I can select the ...