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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Cannot boot on windows 8 after installing Scientific Linux 6.5

I had a standard toshiba latop (2014 model with EFI), which came pre-installeed with windows 8.1 and I tried to install Scientific Linux(SL) 6.5 in dual boot mode. Originally, I couldn't install it as ...
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Is 3200x1800 resolution possible in Hyper-V?

I've got a Lenovo Yoga 2 Pro (Windows 8.1), which has a screen resolution of 3200x1800. I'm trying to run Ubuntu 14.04 in Hyper-V at full screen on it. I've tried the steps listed here, but I can only ...
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7 views

Getting clues on why kernel does not boot

I have tried to custom compile kernel from source months ago and it is working fine. But one day, I tried to compile to newer source with the same configuration and it does not boot. Usually it poofs ...
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1answer
29 views

Grub Rescue in Windows8 -Ubuntu Dual Boot

I deleted 2 partitions on my hard disk and now I am unable to boot my pc. I searched and found that it is possible to boot without a CD, but the method is not working for me because I can't find the ...
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Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: ...
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2answers
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Kali Linux and Bootloader problems

At first I was using Windows 8.1... I downloaded Kali and put it on flash memory. The options got me to either: -Browse live -Install I browsed it live a little then went to installation. Grub ...
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1answer
26 views

grub having problems with Windows7 booting

I installed Windows 7 and Ubuntu on my laptop. It was working properly until yesterday. I went to do some work after I switched on my laptop and selected Windows, but when I came back my laptop's ...
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18 views

Can't boot into windows or CD

This is my third reinstall of Debian, this time because I wanted to update from wheezy to Jessie, but it wouldn't run anymore so I switched back to windows and deleted the Debian partition and ...
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1answer
22 views

Multiple Boot Manager [closed]

My computer dual boots with Windows 8 and Ubuntu on separate partitions. I am planning to install Mac OS X on another partition, but I need a better way to manage the boot options if I add more boot ...
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1answer
43 views

Boot Loader for windows 7

I asked I have Windows 7 and opensuse 13.1 and Windows boot loader is replaced by grub 2. Now I want to format opensuse how can i restore my Windows boot loader over grub 2. How can I format ...
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11 views

Multiple Active Partitions [duplicate]

I asked I have Windows 7 and opensuse 13.1 and Windows boot loader is replaced by grub 2. Now I want to format opensuse how can i restore my Windows boot loader over grub 2. How can I format ...
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1answer
40 views

Can't boot from USB

A few days ago, I installed Arch Linux alongside Windows 8 on a new Dell laptop. I did so by booting from a USB drive, and there were no problems with the install. I'm now trying to install CrunchBang ...
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1answer
24 views

Windows 8 boot menu entries of ubuntu on ESP

So, I have a hp pavilion with Windows 8 pre-installed OS on it. I installed Ubuntu 14.04 in UEFI mode with secure boot disabled and then reloaded GRUB through Windows so that every time I boot I see ...
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1answer
29 views

Windows 7 & Open Suse 13.1

I have Windows 7 on my laptop. I installed opensuse 13.1 and after installing opensuse 13.1 Windows boot loader is replaced by grub 2. I could not understand opensuse 13.1 as it is not user friendly ...
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1answer
29 views

Windows 8 doesn't show up in my grub menu

I have two HD's, one with Fedora 20, and the other with Windows 8. I can choose at start up which drive to boot from, and choosing the one where I installed windows does make it start, but I would ...
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10 views

Grub Customizer Issue

I downloaded and installed the Grub Customizer tool, and everything looks fine in the preview. Here's some screenshots: My background image is saved to and named /home/pictures/Enterprise in ...
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64 views

Unable to access UEFI settings on Lenovo

I have a Lenovo G580 on which I installed Windows 8 and several Linux distros which have messed with my booting. The last I used was boot-repair tool. I have an EFI partition on sda2. The Grub load ...
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32 views

Grub cannot find root disk on VirtualBox

I've built myself a boot image of a variant of Arch Linux for writing to USB sticks. It uses grub with default values, and it works just fine when booting a physical box from USB. (This question ...
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88 views

“Unable to find root device” on a fresh ArchLinux install

I have installed the latest version of ArchLinux (2014.06.01) on a MacBook Pro 8,1 (15", if that matters regarding hardware) dual-booting with OSX following the instructions in the official install ...
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1answer
37 views

Is my Windows partition too far down on the disk?

I have /boot/ on /dev/sda1 (1GB), followed by my Linux root LVM on /dev/sda2 (1.3GB). Finally, I freshly installed Windows 7 on /dev/sda3 in the remaining 700GB of space. When I select Windows 7 in ...
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1answer
27 views

need to bring back win 7

I like making music and playing games and occasionally do some Photoshop. I had a windows 8 computer but my mouse pointer always got stuck, so to try out something new I installed Ubuntu. here is how ...
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1answer
34 views

Mix of GRUB and GRUB2 (Linux and Solaris)

ALL, I have a DELL laptop on which I installed Linux and Open Solaris (in that order). Linux used GRUB2 and it was OK. Solaris still uses GRUB1 and it looks like it did overwrite the GRUB2 ...
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24 views

Computer sometimes load grub not Windows bootloader

Sometimes my notebook loads grub instead of windows bootloader and I do not know why. Before I reinstalled Windows 7 32 bit I had ubuntu on it (windows installation). I have not installed another ...
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1answer
32 views

Trouble dual-booting Win8.1 and Ubuntu, “error: disk 'sda6,gpt1' not found”

I just got a new 240 gig SSD for my laptop. I installed Windows 8.1, partitioning off half of it for Windows and leaving the rest reserved for Linux. Everything works great. Then I installed Ubuntu ...
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1answer
59 views

Setting up a dualboot by installing cloned partitions using clonezilla

I'm trying to setup a dual boot system where I have Windows 7 and Linux Mint. Here's the kicker both are partitions I've saved using Clonzezilla from different places and to make matters worse Linux ...
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Prevent chainloading by grub after Efit

I triple booted my Macbook 4,1 with Mac OSX 10.5.8, Lubuntu 14.04 and Windows XP SP3 and installed rEFInd as my bootloader. Now what basically happens is, first the Mac bootloader loads invisibly, but ...
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1answer
64 views

Linux doesn't find root file system when booting

I bought an SSD and to try the speed improvement while leaving the current system intact, I cloned my old root partition (/dev/sda1) onto the SSD (/dev/sdb1) and added a new Grub boot entry: title ...
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83 views

Ubuntu - Booting black screen with purple border

I have a problem when I boot the pc. After the installation of Ubuntu, a black screen with a purple box appears without letting me see the choices of GRUB. The screen then becomes black and Ubuntu ...
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1answer
30 views

Ubuntu Full Disk Encryption unlocked via TFTP/NFS?

I'm setting up some secure Ubuntu servers with full disk encryption. They have a small boot partition, and a large LUKS-encrypted disk with LVM to provide the rest of the partitions. Currently, they ...
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1answer
87 views

How to create bootable USB stick with GRUB with data partition, Win rescue disk and System Rescue CD

This is my motivation: I have a USB stick I always carry with me. And there are always problems with computers not booting. So I want to make the drive a little more useful. It has to: Contain a ...
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20 views

GRUB2 - Allow guest access on certain OSes Installed

I have found a few articles that guide me through configuring GRUB2 on my Ubuntu 12.04LTS box so that it requests a user name and password at boot, so that I can restrict certain items in the OS ...
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1answer
39 views

Installing Ubuntu 13.10 on MacBookPro11,3

I've been trying to install different flavours of Ubuntu on my MacBookPro11,3 (15-inch) and nothing seems to work. Once I pass the Grub bootloader stage, all I'm getting is a blank screen. I've seen ...
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66 views

GRUB rescue : Can not access BIOS

I just got a grub rescue after installing Debian Jessie, Here is what I've done : error: file not found. Entering rescue mode... $ ls (hd0) (hd1) ... (hd1,gpt2) (hd1,gpt1) (cd0) $ set ...
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1answer
77 views

2 x Windows 8.1 + Linux - boot configuration

I've got a strange situation. I must install two windows 8.1 systems and one linux (for example Debian) on one machine (one disk). I know that there is a huge amount of information about it on the ...
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187 views

Can't access BIOS and can't boot from USB when HDD is plugged in

I have a Samsung Ultrabook series 5 notebook (NP530U3C), and recently I've been tinkering with Linux distros. I've had a dualboot setup with Windows 8 and Linux on this computer before, and all went ...
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58 views

Linux Mint 16 32-bit (Ubuntu) forgets password, even after resetting via grub/bash trick

I just installed LM16 using a live USB stick. Install went fine, and at the user step I made a password but chose 'log in automatically'. On first boot without the usb stick, it logged in without ...
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165 views

Can I change a ubuntu partition from sdb to sda?

I have just gotten into Ubuntu and I'm not quite familiar with partitions etc. But I have Ubuntu installed on /dev/sdb. But I want to move it to /dev/sda. Current partition listing below. Can I just ...
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2answers
74 views

MBR bootsector that boots the active partition

I have the burg bootloader currently installed on my mbr (+ the following sectors), and I would like to install it on the boot partition, and replace the mbr with a simple one that will boot the ...
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53 views

Fedora Boot Loader not verified?

I just installed fedora 20 on my sister's HP laptop from a live USB. I told it to take all of the hard drive. It gives me two options from grub: Fedora, with Linux 3.11.10-301.fc20.x86_64 Fedora, ...
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487 views

How to Dual-Boot Kali-Linux and Windows 8.1?

I have Acer V3-772G 1 TB Harddisk. I shrinked my biggest partition in order to install Kali Linux. When installing Kali, GRUB couldn't detect windows 8 so I kept going on(I installed grub as my ...
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58 views

Keyboard issues with GRUB upon cold boot

I am facing a very weird issue with my keyboard while using GRUB. I'm going to be as detailed as possible and outline all the methods I've tried to fix this issue. Let me first describe the issue ...
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1answer
66 views

Problems with starting windows after installing new ubuntu os on multiboot pc

Before I recently upgraded my ubuntu OS, I had a multiboot with windows 7, windows xp and ubuntu. When I started the computer, the grub bootloader would usually show the options: -windows 7 and ...
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18 views

OS grub page not Loading

My laptop was working fine, with Windows 7 and Ubuntu 12.04, when suddenly the grub page stopped loading. Whenever I switch on the laptop, I get the company's name (Asus in this case), with the Intel ...
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0answers
74 views

Dual booting CentOS 6.4 and Ubuntu 12.04.03 LTS

First, I install CentOS 6.4 (64-bit) on /dev/sdb3, and subsequently CentOS install the bootload in /dev/sdb itself. Bootinfoscript indicated that the bootloader is legacy0.92 grub. Fine. Next, I ...
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2answers
242 views

Unable to load Linux after Windows installation [duplicate]

I installed Linux OS on the PC. After that, I installed Windows 7. Now, I am unable to load Linux again. How to install Grub in Windows 7?
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33 views

GRUB unknown filesystem error after managing Windows 7 partitions

I'm using Debian and Windows 7 located on one HDD, in dual boot. Windows 7 had two partitions - system partition C: and general-use partition G:. Recently I've cut the G partition in size and created ...
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1answer
452 views

Grub menu not showing for Ubuntu 12.04

This is the first time I installed Ubuntu(v12.04). I have a HP laptop pre installed with Windows 8. I installed it alongside Windows and the installation was successful. But after the customary ...
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69 views

Stuck at GRUB prompt after booting, how can I restore normal booting?

My machine was dual-booting with Windows XP and Fedora, then I tried to install Arch. While installation power went off. After that, booting always results in the GRUB prompt. Even when I instruct my ...
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2answers
140 views

Windows 7 partition disappeared from hard drive

I had a windows 7 and Debian 7 install and I've been using the computer fine for almost a year. A couple weeks ago I tried to load Windows and realized the boot option in grub was missing. After ...
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1answer
43 views

How do I remove the old versions of the linux kernel shown in grub boot loader

I am using Ubuntu. I have Linux kernel 3.8.0-35-generic, 2.6.34.14 and 2.6.34.14. I want to delete the 2.6 versions from my system, because 2.6 won't even load when i select them in grub boot loader. ...