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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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 ...
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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): ...
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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 ...
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1answer
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+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 ...
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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 ...
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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 ...
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8 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 ...
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53 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 ...
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1answer
61 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 ...
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13 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 ...
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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 ...
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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 ...
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43 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 ...
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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 ...
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45 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 ...
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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 ...
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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, ...
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51 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 ...
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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. ...
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1answer
53 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 ...
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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 ...
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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 ...
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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 ...
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1answer
81 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 ...
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62 views

Recovering deleted/overwritten partition

Short: By mistake I overwrote my partition table using the tool testdisk. I would like to recover my data and operating system. Using the tool testdisk I have located the lost partitions on my disk. ...
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3answers
101 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 ...
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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 ...
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28 views

error unknown filesystem grub rescue windows 10

I had win 10 and lubuntu on 2 separate partitions. I removed the second partition using Disk Management. Now when I restart laptop it goes into grub mode and what ever I try i get error. error ...
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0answers
29 views

“Invalid partition table” when booting system

I have a Dell Latitude E5430 laptop. I have replaced the CD drive with SSD. Then I partitioned both disks, They both have msdos partition table with two primary partitions. No flags on the partitions. ...
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38 views

How to recover Boot loader from lost partition hd0,1 (/dev/sda1) in Dual boot Windows10/Linux-Fedora21?

My first partition of 106MB is lost, boots fine to F21 but choosing Windows in boot menu gives some errors. any suggestion would be appreciated. Background; For some reason, I am not able to boot ...
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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 ...
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1answer
68 views

Dual booting: 0xc000000e Windows Error when installing GRUB

Hi everyone! This is my first question so correct me please if I´m asking something wrong. So my Problem is: I´ve got a Lenovo E31-70 with pre-installed Windows 10 home 64bit and I tried to ...
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15 views

Grub unknown filesystem error

My PC is stuck with the following error message when starting: Error: unknown filesystem I have a multipartition system with Linux Mint and Windows 7. Without asking me, Windows decided to update ...
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0answers
56 views

YUMI: Booting find /menu.lst, /boot/grub/menu.lst, /grub/menu.lst

I'm using YUMI to set up a multiboot USB drive. I'm trying YUMI’s option to Try an Unlisted ISO from the bottom of its selection list, and the ISO files gets copied correctly to the USB drive. The ...
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0answers
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Preserve numlock state during cryptdisk boot password prompt in plymouth

Each time my computer boots, there is prompt for password to decrypt hard drive (ubuntu is using plymouth). I'd like to use numeric keypad, but unfortunately plymouth changes numlock status to off ...
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1answer
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Booting issue, Lenovo G580

I have Lenovo G580 (core i5 2.5 GHz), with dual boot (Windows 7 & Ubuntu 14.04). Since last 3 year, it was running smoothly without any issue. There was heating issue because of lots dust in ...
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0answers
20 views

Installed ElementaryOS on secondary drive, but still booting windows

Just installed ElementaryOS on my secondary HDD (Disk 1) while having Windows 10 on Disk 0, but when powering on it boots into Windows without asking (no GRUB menu or Windows boot menu). How to fix ...
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2answers
43 views

After running windows 7 on dual boot system (with Ubuntu 14.04), machine does not reach GRUB

I did the following: Partitioned my C drive Installed Ubuntu 14.04 from USB .iso After my computer failed to boot, I used the boot repair disk, live from USB, to fix. This fixed the issue. I ...
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2answers
81 views

Grub not listing the new kernel while booting

I recently updated my kernel on CentOS 6.7. That also cleaned up all the older versions, which also updated my /boot/grub/grub.conf, it has a single entry (of the new kernel). Now, when I rebooted, ...
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2answers
50 views

Moving system partition and booting from it

I'm running a Linux Mint system on a former windows (Vista) hard drive. After a year or so of never booting the Windows, and getting space issues on the linux system partition, I decide to wipe the ...
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0answers
25 views

My old CentOS 6 computer died. How do I make a new one boot with the old HDDs?

As the title says, I have had a CentOS 6 box for some years, but recently it died. Since it was quite old, I've upgraded it with a whole new box (new psu, motherboard, RAM, CPU), but kept the HDDs. My ...
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0answers
12 views

Macbook Air 13 inch, mid 2012, OSX El Capitan

I installed kali linux on my machine and got the following message when trying to login; error: no such device Entering rescue mode...... grub rescue> How do I resolve this?
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0answers
327 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 ...
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0answers
114 views

Linux boot fails with /dev/disk/by-uuid/XXXX does not exist - Asus Zenbook Pro Touchpad Not Working

Device: Asus Zenbook Pro ux501vw-ds71t Ubuntu Version: 15.10 I installed Ubuntu 15.10 and the installation was successful. However, the Elantech touchpad did not work. I read that the newer ...
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1answer
62 views

Dual-boot windows 7 and Antergos Linux. Windows will only boot some times

Not long ago i clean installed windows 7 on ,y laptop. I then installed Antergos for dual-booting. Then windows chould not boot so i used boot-repair to fix it. When i now go in to grub to boot ...
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1answer
121 views

Remove Grub Rescue and boot straight to Windows 10

I installed Kali alongside my Windows10. I decided to uninstall Kali, so deleted the partitions and used EasyBCD to restore back to Windows MBR. Upon boot Grub rescue still loads. So I ran a live ...
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3answers
61 views

Is it possible to choose which OS will be loaded using a hardware switch?

I'm looking for a more elegant way of choosing which OS to boot than using the menu provided by grub, and I think it would be neat to have a switch on the case with two states (e.g. Ubuntu and ...
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2answers
421 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 ...
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0answers
80 views

Decrease /boot size on Fedora 23

I have a problem with my /boot partition. It only has 200 MB which is insufficient - it is almost full. I have already unistalled old kernels (via dnf, keeping only the latest one) but there are ...
0
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1answer
51 views

IOAPIC[0] not in IVRS table

I have a fresh Ubuntu install from USB. When I boot the PC it takes me straight to GNU Grub, when I select Ubuntu I get the following messages. [Firmware Bug]: AMD-Vi: IOAPIC[0] not in IVRS table ...