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.

learn more… | top users | synonyms

1
vote
2answers
438 views

Android-x86 6.0 Marshmallow in VirtualBox:installation stuck on GRUB

I'm trying to install android-x86-6.0_20160129.iso in VirtualBox but the installation get stuck at Do you want to install boot loader GRUB Some background: The VM was created from the Ubuntu ...
0
votes
2answers
9 views

Laptop keeps booting to GNU GRUB after formatting Ubuntu partition

I formatted my Ubuntu partition, but my computer still boots to GNU GRUB. I tried creating a windows recovery thingy on a USB stick and using bootrec.exe /fixmbr and variants thereof, all of which ...
0
votes
0answers
6 views

Dual Boot Fedora 23 and windows 10..windows 10 not booting

I am a newbie and recently installed fedora 23 on my windows 10 through partition. After installing fedora 23, I get 3 options in the menu to select the Os i want to boot. 2 options for Fedora 23 and ...
0
votes
1answer
6 views

How to set GRUB to auto boot into windows if there is no user input

I would like to know if there is a way to configure GRUB so that it will auto boot into Windows if there is no user input after a while. This is to smooth out the process of Windows update. As many ...
0
votes
0answers
7 views

Dual boot with BIOS and EFI?

I installed Ubuntu on a different PC than the one it's running on right now. The old one only had BIOS support, so it's installed that way. I recently installed Windows 7, using UEFI, because it ...
0
votes
2answers
4k views

How do I remove Grub and restore the XP bootloader without access to XP setup/recovery media?

I have a Lenovo T430, with Windows XP (32-bit). I tried to remove Ubuntu from my HDD by deleting the partitions in Disk Management. Now, when I restart my computer, I get the following message: grub ...
0
votes
1answer
20 views

How can I have bootable windows installation disk on a hard disk partition?

How can I install windows installation ISO to a partition on an external hard disk? The hard disk already has a Ubuntu installation and grub on it, and another NTFS partition I use to store personal ...
0
votes
1answer
25 views
+50

How do I remove GRUB from Macbook after Debian install?

I made a partition on my secondary hard drive and installed Debian to it. As outlined in the docs, this makes GRUB the default boot loader. Since I don't really use the Debian install, I'd like to get ...
0
votes
1answer
381 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 ...
0
votes
1answer
206 views

Grub on LVM partition

Basically, my problem was the /boot (/dev/sda1), which was a very tiny partition (88 Mo). With the available VolumeGroup on this machine, I formatted a new LVM volume (600 Mo). Then I copied the ...
0
votes
2answers
5k views

Add Windows boot entries after installing Ubuntu?

I have Windows 7 on its own bootable hard drive, Windows 8 on its own bootable hard drive and Ubuntu on its own bootable hard drive. I'm using the BIOS to manually select on which hard drive to boot. ...
1
vote
0answers
14 views

How to configure Grub for Android-x86

I have: Debian GNU/Linux 8.4 (jessie) installed on old Gygabyte laptop. Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): ...
3
votes
0answers
14 views

Dual booting ubuntu 14.04-windows 10 on separate ssd and efi partition

I have a laptop with two ssd and one hdd (hdd is for storage,not os) and I have windows 10 installed on one ssd and I want to install ubuntu on other ssd. However I can not disconnect drives during ...
24
votes
5answers
46k views

Boot from USB using GRUB

My friend's laptop was in a car accident (he's fine!). However the laptop is very old its an Acer Aspire 1520 the CD-rom drive is broken and there is no floppy drive. I made him a USB boot before I ...
5
votes
1answer
4k views

What is the correct way to install linux on a Macbook Pro

I've had a lot of trouble doing this. It always is unable to boot after installation (I get the famous question-mark in a folder thing). I've installed http://www.rodsbooks.com/refind/ however after ...
0
votes
1answer
11 views

Usb boot failure.Result “Grub rescue”

I have ubuntu studio and want to install Windows 10 completely (not dual booting). But when I try to make a bootable pen drive I am failing for a long time. I had used WinUsb for the installation of ...
0
votes
1answer
6k views

With Centos 7 as a Virtualbox guest on a Mac Host, how can I change the screen resolution of the console / command line?

I am using the minimum install of CentOS 7 with command line access only (no graphic support installed). After spending hours reading online about editing grub files, installing guest additions, and ...
1
vote
0answers
334 views

Installing Windows x64 on 32-bit UEFI (EFI-IA32) via GRUB

I am attempting to install Windows 10 x64 (64-bit) on a device that only has 32-bit UEFI (for the moment) Since x64 Linux can be booted via a custom 32-bit GRUB.. I assume it could also do the same ...
1
vote
1answer
19 views

Uninstalled Linux, still getting stuck on “grub” boot menu?

I installed then uninstalled Linux on a Windows 10 machine according to instructions at (http://www.howtogeek.com/141818/how-to-uninstall-a-linux-dual-boot-system-from-your-computer/). I removed the ...
0
votes
1answer
143 views

Graphical Grub/Bootloader Menu

Does anyone know of a boot loader that use graphical indicators instead of just a command line menu? (preferably grub or grub2 compatible, I don't really know much about the, or my, tech stack for ...
0
votes
0answers
9 views

Issue dual booting Ubuntu with a fresh Windows 7 install

I had an existing Ubuntu installation on one drive, and a Windows 7 installation on another. They were both booting fine from grub. I moved the Windows 7 installation to an SSD. I am able to boot ...
0
votes
0answers
54 views

Ubuntu 16.04 boot issue

I have recently upgraded from Ubuntu 14.04 to 16.04. My Grub options is as shown in picture . I am only able to log into Ubuntu through the upstart option in the grub. Choosing any anther Ubuntu ...
0
votes
1answer
4k views

Can't get 1440x900 resolution with GRUB2 although vbeinfo says it's available

I'm trying to use GRUB2 in graphical mode with 1440x900 resolution, but the result is always garbled nonsense: the highest resolution I can get is 1280x800. Word is from googling that long as vbeinfo ...
0
votes
0answers
47 views

How to deal with EasyBCD while multi-booting in EFI mode?

I have Windows 10 and Ubuntu 16.04 systems together. My boot manager is GRUB. I don't want to use GRUB anymore, I want to use Windows boot manager. I found I can use EasyBCD to achieve this, but when ...
1
vote
2answers
3k views

How to fix Truecrypt MBR using Command Prompt or Linux live USB?

I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick. Unfortunately Windows 7 installer: "setup was unable to create a new system partition" My entire ...
0
votes
0answers
26 views

how to add an arch linux entry to efi grub

I have recently installed arch on a disk with windows 7 and Ubuntu on it already. Both the Ubuntu and arch installs are encrypted and I have installed grub to EFI. I can boot arch from BIOS (which ...
3
votes
5answers
9k views

Remove windows 7 entry from grub

I recently installed ubuntu 10.04 LTS and formatted my windows 7 hdd, but the windows 7 entry is still showing in grub. How can I remove the entry from grub? Greetz
0
votes
1answer
62 views

Way to get back formatted Windows MBR partition in dual boot system

I have a Dual boot system and accidentally formatted Windows MBR partition while trying to format a USB (via disks utility). Now I am not able to boot into Windows. My grub doesn't show Windows ...
0
votes
0answers
14 views

Problems booting the archlinux ISO from grub

I've downloaded the archlinux ISO to my drive and would like to set up a grub entry so I can boot from it, but I get these errors when I select the new grub entry on startup (even though ...
-1
votes
0answers
31 views

windows 10 - windows\winsxs\temp folder is taking huge space & updates not installing properly

Currently I am using a laptop dual booted with windows 10 and kali Linux also gnu grub boot loader is installed. I searched a lot about winsxs folder but every where they say it is dangerous don't ...
0
votes
1answer
50 views

Migrating from dual boot to triple boot

In my current setup, I have: 1 Crucial MX200 500GB SSD - Kali linux installed with grub bootloader, set as primary boot drive 1 Corsair Neutron XT 960GB SSD - Windows 7 1 Corsair Neutron XT 480GB ...
0
votes
0answers
44 views

Laptop stuck at “error: unknown file system. Entering rescue mode… grub rescue>”

I have a Lenovo Y510p laptop, 64 bit processor with Windows 8.1. I dual booted it with Linux Mint which worked fine but I decided that for my Python needs the Ubuntu Xenial Xeros distribution would be ...
0
votes
0answers
35 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
votes
1answer
73 views

Windows can't boot after Samsung Recovery Solution 5 restored it

This is the story: I have (or should I say had?) Windows 7 "home basic" edition, service pack 1 installed (preinstalled from factory). One day I installed two Linux OS: First Debian 8.3 Jessie and ...
0
votes
1answer
27 views

SED shadow master boot record and linux md raid 1

I'm contemplating this setup: Two SSDs with SED (self encrypting drive), in a software raid mirror, linux (or grub?) to unlock the two disks with one pwd from the Shadow Master Boot Record I ...
6
votes
2answers
3k views

How to install GRUB command-line tools on OSX?

I need access to grub-mkrescue for a project I'm working on. I know that the GRUB command-line tools come builtin to Linux, but how do I get them on OSX? Is there a package? Is it built into the ...
1
vote
4answers
10k views

error: no such partition. Grub rescue

I deleted my Linux (Ubuntu) partition from Windows and I forgot to repair the MBR. I don't have my windows boot CD with me nor a CD drive. Is there any small utility that can be easily downloaded (I ...
0
votes
1answer
4k 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 ...
1
vote
3answers
59 views

Accidentally deleted Windows 10 boot partition

Today, I wanted to install Kubuntu alongside Windows 10, but I got an error that had something to do with an existing GRUB on one of my hard drives. I removed the partition which I thought was GRUB, ...
0
votes
0answers
11 views

Preserve Ubuntu/Win7 dual boot after moving/resizing current Ubuntu partition

I have Win 7 and Ubuntu 15.10 dual booting at the moment. Windows XP on sda1 is what I am trying to get rid of, so that I can then expand sda2 LEFT and resize sda6 (Ubuntu) LEFT to give me more room. ...
0
votes
0answers
52 views

Grub boot loader not detecting Android X86 5.1 RC1 NTFS file system

I'm trying to install Android X86 5.1 RC1 on VMware workstation. so far the Android OS boots up when I choose "boot to the Android 5.1" instead of "reboot" directly at the end of the instal, but when ...
1
vote
1answer
54 views

Mismatch in time in Windows while dualbooting

I installed 32 bit Ubuntu 14.04 LTS alongside my Windows 7 OS in my MSI GX70. I found that my Windows time is always 2 hours ahead of the actual time. My Ubuntu version shows the correct time. So I ...
0
votes
0answers
30 views

stuck in grub rescue on ubuntu 15.10

My problem started after running "delete" from testdisk at terminal, then rebooting and all I get black screen with: "error Entering rescue mode... grub rescue>" I've tried some tutorials kind ...
0
votes
1answer
29 views

select the correct LVM volume group as the root device

On my disk I have LVM configured as such: One Volume Group "vg1", containing One Logical Volume "lv1", containing a LUKS encrypted partition which is the root of a Debian Linux installation One ...
0
votes
0answers
16 views

Booting linux from grub2 gets kernel panic - root=null

I'm doing my own homebrewed version of linux. The distro works fine but I need to update it to use EFI and GPT partitions. My problem now is that I can't for the life of me get grub2 to boot it. I ...
1
vote
3answers
106 views

Upgrading to Windows 10 with EFI dual boot

I have Linux Mint and Windows 8 installed on my Lenovo laptop side by side (on different partitions of the same HDD) and booting in UEFI mode. I usually boot Windows from GRUB but I can also get it to ...
0
votes
2answers
47 views

EFI Boot Grub on USB Stick

I'm trying to install ParrotSec Linux on an MBR USB stick. The root folder in mounted on sdc5 and I have an ext2 partition on sdc3 containing grub configuration, vmlinux and initrd. I have another ...
3
votes
1answer
82 views

Reinstall GRUB, which device to use?

Earlier today my computer's boot drive had Windows 10 and Ubuntu 16.04 installed quite happily on it. I could choose whether to boot Ubuntu or Windows via GRUB. I was also able to launch Ubuntu as a ...
0
votes
0answers
34 views

live boot usb wont boot with grub 2.0 installed on my kali linux sana 2.0

I have a Dell Inspiron 15 running kali linux 2.0 and ive had some issues with it that ive had to fix and ive decided that i want to try and run another linux distro such as arch or back box but when ...
0
votes
1answer
271 views

Grub command not allowing to boot

Installed redhat linux server and windows 7 as dual boot. While adjusting storage space on my laptop on windows, I deleted redhat Linux partition. Now I rebooted my laptop. It's always showing GRUB ...