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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Windows 7 not booting. grub bash shell appears

My Windows 7 x64 desktop PC stopped booting after I restarted it. This message appears: drive 0x80(LBA): C/H/S=1023/255/63, Sector Count/Size=16434495/512 Partition num: 0, active, Filesystem ...
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Samsung R620 stuck on Samsung Logo

I have both Linux and Windows Vista installed on my notebook. Today when I turned it on I accidentally chose "Samsung Recovery" instead of "Windows Vista" in GRUB. After Samsung Recovery has loaded, I ...
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5 views

Problems restoring grub

I have used fsarchiver to move the content of my old hard drive on a new bigger SSD. Basically, one partition with Ubuntu 12.04. Everything went fine. But now I can not boot. I used GPT and I also ...
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1answer
35 views

how to skip grub dual boot option menu entirely (without picking an OS to boot)

I'd like to skip the entire Grub 2 interface, where I have to decide booting Linux or Windows im running linux ubuntu lastest version (14.04.1 LTS) and windows 8.1 both 64 bit versions. I've ...
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21 views

How to change boot order (on windows loader) from Ubuntu

actually i'm using without any problem, a dualboot with windows loader (BCD), so i'm able to choose Ubuntu and then i set to GRUB.cfg timeout "0" to boot ubuntu faster. Usually, expecially while ...
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1answer
86 views

Installing Debian 7.6.0 on Lenovo Y50

I was trying to install Debian on my new laptop: a Lenovo Y50 64bit running Windows 8. I got together with a friend and installed Debian in his computer first and had no problems. However I've tried ...
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14 views

VirtualBox: Grub sees hard drive, Linux does not

I installed Linux on my second hard drive. I can boot to it just fine. But when I try to boot it from a Windows 7 host using a raw host hard disk, grub sees it and can load vmlinuz and initramfs. ...
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1answer
206 views

No boot menu for Ubuntu 14.04 after dual boot installation

I assume, this is not a duplicate post. Please read my findings below before assuming so. I have gone through several questions over the Internet regarding people complaining that they are not ...
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29 views

Disk partition errors after size change

I increased the disk size of one of my VM when it was running. After a reboot, I get the following error message (at boot time): Mounting local filesystems...failed Now the VM is only accessible ...
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20 views

Best way to setup Fstab to avoid system boot issues

I have Linux system in which we force /dev/devname for running the system. proc /proc proc defaults 0 0 /dev/sda1 / ext3 ...
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8 views

EC2 AMI instance store backup grub utility required

I am working on backup of whole ec2 volume and image to upload to s3. I'm trying to use RHEL7 and it internally uses Grub2 as bootloader. EC2 AMI tools requires grub legacy loader and I'm struck up in ...
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7 views

How can I edit startup items on ubuntu server using grub or external shell of some sort?

I have made some changes to my ubuntu server and now it won't boot. It hangs on starting tomcat servlet engine tomcat?. I don't actually use tomcat and accidentally enabled it while I was hastily ...
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2answers
44 views

Where i can find “/boot/vmlinuz” when “/boot” not exists

Hi all I'm new here and I want to ask where i can find vmlinuz without "/boot" directory... So system normally boots (Chrome OS) All working perefectly from pendrive But when I want dual boot I need ...
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1answer
22 views

Windows 8.1 reboot upon reaching the logo

I have a HDD which was used just for Windows 8.1. That is, the HDD had two partitions, system reserved and Windows. Now I got a SSD and switched back to Linux as my main OS, but yet I have the HDD ...
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22 views

Linux Manjaro installer is demanding that I mount a UEFI parition, I am not using UEFI

I am using the latest Manjaro installer from their main website. I am using this install guide (I linked to the time segment where I am stuck on). In the latest Manjaro installer, it is telling me ...
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1answer
70 views

cannot boot after adding grub menu entry

I have Fedora 20 and Windows 8 installed. I wanted to be able to dual-boot. But when I selected Windows Boot Manager in grub menu, i got: 'error file /EFI/Microsoft/Boot/bootmgfw.efi not found' I ...
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21 views

PC fails to boot or install a new Operating system

I have a linux machine with the following configuration. Intel E5200 Dual core CPUa Biostar G31 D-M7 Motherboard 1 GB Kingston & 1GB Dynet RAM , 667 MHZ WD 320 GB HDD 450W smps It all started ...
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1answer
31 views

setting of grub for two linux distributions installed to two separate harddisk

(I am aware I may be duplicating post, but no sure where should I ask my quesiton) I installed a second harddisk to my laptop so that I can test on new linux distribution without trashing my working ...
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44 views

Can't boot Windows 8, can't boot from USB installer

I'm having all sorts of problems with my PC. It's custom-built so I didn't expect to have UEFI/Secure Boot compatibility issues but I think that's what's happening. I have a Windows 8 Pro ...
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35 views

Ubuntu goes black on startup

Whenever I start Ubuntu from the GRUB menu (below). and it finishes this (below). The screen goes black. This happened after I gained root access to my account and I needed to restart. After ...
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1answer
21 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 ...
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29 views

how to enter into my win7 from rescue mode?

I have installed dual os :win7+debian7 on my pc.In the grub.cfg: menuentry "Windows 7 (loader) (on /dev/sda1)" --class windows --class os { insmod part_msdos insmod ntfs set root='(hd0,msdos1)' ...
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1answer
54 views

Booting a second, encrypted Debian installation from Ubuntu grub command line

I have a stable dual boot between Ubuntu 14.04 and Windows 8.1. I am installing a second flavor of Debian. It has three separate partitions: / is an encrypted luks volume located at (hd1,gpt9), /home ...
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52 views

Dual booted HP Pavillion 23 isn't loading windows 8.1

I have an HP Pavilion 23 that I partitioned and loaded up with Ubuntu Server. Server had trouble installing, and Windows 8 (The pre-installed OS) wasn't loading up right either. So I formatted the ...
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15 views

can't boot windows 8 need hel on grub-repair

After installation my grub is a complete mess. Now I've got 5 options. First two options for linux and the rest are various supposed windows 8 choices. What can I do? I need desperately to log into ...
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1answer
20 views

grub rescue moved folder out of root

I made a really silly sudo mv /* /some_folder move command on my remote server vm ubuntu 12.04 that moved my boot folder to /home/.../somefolder/boot I can access this folder via a ...
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16 views

Zorin no Kernel. Hard Drive is completely wiped after installing

I installed Zorin successfully, but I wiped eveyrthing that was previously on my hard drive. So when I boot up I'm in grub. I typed "grub> boot". But its saying I need to load a kernel. I have no idea ...
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1answer
57 views

Transferring Linux OS from one drive to another with different partitions

First of all, some related questions: How to move from one drive to another that's a different size? What utility can move my Windows boot partition over to another hard drive? My situation is as ...
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1answer
60 views

How to dual boot Windows 8.1 and Ubuntu 13.04 with Windows Metro Boot Loader

I'm having a laptop with 4 Partitions, [1] 350 MB Windows System Reserverd [2] 40 GB for Windows Installation [3] 25 GB for Ubuntu Installation [4] 400 GB for Data Storage I have installed Windows ...
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2answers
77 views

How to properly specify boot extra entries for nixos

Nixos has a configuration option in the manual for specifying extra entries in the grub menu boot.loader.grub. extraEntries but I can't get it to work with the examples in the manual. The idea is to ...
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0answers
31 views

How do I get the grub menu to list both my Windows 7 installations?

I have the following disk configuration: Disk /dev/sda: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectors Units = sectors of 1 * 512 = 512 bytes ...
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87 views

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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94 views

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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1answer
45 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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0answers
50 views

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
546 views

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
28 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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19 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
30 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
82 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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1answer
65 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
40 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
78 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
106 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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0answers
15 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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105 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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1answer
93 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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1answer
403 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 ...