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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1answer
24 views

GRUB2: /boot as BTRFS subvolume

Aside from /boot, all my partitions (including root, /) are BTRFS subvolumes. I'm switching to BTRFS RAID1, and for the sake of integrity, want to include /boot within the BTRFS partition. Preferably ...
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1answer
17 views

Install windows7 and ubuntu 14.04 on a computer which already has windows and ubuntu 12.04 installed

I have installed windows 7 and ubuntu 12.04 in 2 separate partitions in my machine and I can access both using the GRUB. Now I want to re-install windows 7 and ubuntu 14.04 to my machine. What is the ...
0
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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 ...
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0answers
21 views

Cannot boot ISO on only one machine

I have a version of Ubuntu 14 on DVD and USB to boot from. This ISO boots from other machines via both DVD and USB, but it will not boot on the particular Dell I need it to. Initialization crashes ...
5
votes
1answer
697 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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0answers
27 views

showing unknown file system entering rescue mode .. grub rsescue

i have an error on the starting of my laptop screen window which is unknown file system entering rescue mode.. grub rescue< i had seen many videos on youtube which runs some command for resolving ...
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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
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1answer
24 views

Grub “no such device” error does not correspond to config

GRUB is failing to boot. BIOS tries to boot the second hard drive first (in Legacy Mode, and the first hard drive is Windows) but this yields a no such device: cfb69400... error. The given id does ...
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3answers
1k views

How to select OS via grub on headless system?

I have a dual boot system (Linux and Windows) that I normally run headless and which boots by default into Linux (which is what I use mainly). This all works fine, except that on occasions when I want ...
1
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1answer
29 views

Reinstalled windows 7 now can't get access to dual boot [duplicate]

I had a dual boot setup with a Debian based distro (crunchbang) as primary and win 7 also installed. Recently I reinstalled win 7 on it's existing partition but now the boot loader is gone and win 7 ...
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2answers
2k views

Grub 2 Password Protection in debian?

I do as the following run grub-mkpasswd-pbkdf2 to get a string nano /boot/grub/grub.cfg add tow lines set superusers="putyourusernamehere" password putyourusernamehere grub.pbkdf2 ...
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1answer
22 views

Kali Linux and Win 7 dual boot, I want to change the active partition and bootloader, not sure in what order

I created a partition for Kali Linux and a Live USB. I used the Live USB, was intrigued by what I saw ( first time ever seeing Linux ) and chose to install but the install wouldn't complete. Several ...
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1answer
3k 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. ...
0
votes
1answer
3k 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 ...
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0answers
20 views

MacBook Pro - Install CentOS 5.7

Apologies if this appears to be solved by Google searches, but I've searched and tried all sorts of suggestions for 2 days and still cannot get this right. I would like to install CentOS 5.7 on my ...
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2answers
2k views

Edit boot menu when booting from a live CD

My laptop has a nomodeset problem; check the link for more info. Basically, I would need to add nomodeset in grub in order to boot any linux distro. If I want to use a distro, I'd need to install it, ...
1
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0answers
35 views

GRUB 2 stops dual booting Windows 8

I own a laptop with two hard disks. Windows 8.1 is installed in UEFI mode on the first disk, and I recently installed Gentoo on the second one. Now I want to be able to select the OS on boot in GRUB2 ...
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0answers
19 views

Minimal linux USB with Grub

I've been using this site for quite a long time now, and today I have a question for you. I have several PCs with dualboot between windows and Linux, and recently after upgrading one to windows 10 my ...
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1answer
73 views

Gentoo can't boot on GRUB2

Gentoo is on /dev/sda4 and /dev/sda3 is /boot,/boot/kernel-genkernel-x86-3.18.7-gentoo and /boot/initramfs-genkernel-x86-3.18.7-gentoo both are genkernel-built,but GRUB says:could not find the root ...
0
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1answer
26 views

Fedora ia_64 chroot environment - grub is retaining external environment

The system is Fedora 20. There are two environments, the first is the booted environment. It is LVM based and is labeled 'fedora'. The second is LVM based as is labeled 'vg_raidrootbu-server'. The ...
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0answers
45 views

Triple-Boot Windows 7, 8 and Ubuntu 15.04

I bought my computer with Windows 8 installed and I've dual-booted it with Ubuntu 15.04. My computer has an mSATA drive which complicated the process of dual booting ubuntu but I got there eventually. ...
0
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1answer
132 views

Install Grub2 (with EFI-IA32 support) to the ESP partition from within Windows 8.1 (32-bit) - Bay Trail tablet

This is a very complicated idea, and it's been stuck in my head for a while now, so bear with me. In this question, when I say "Grub2", I am referring to the "EFI-IA32 version". The device I will be ...
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2answers
3k views

Dual booting Linux/Win7, Grub refuses to load Win7

Decided to give Linux Mint a try (Ubuntu's interface annoys me), so I installed it with the intention of dual booting with Windows 7. Installation went fine, but now I can only boot into Linux Mint. ...
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1answer
46 views

Dual Booting Windows 7 & Ubuntu

So I had a dual boot, on separate drives, for Ubuntu 14.04 LTS and Windows 7 Pro (all 64bit). My Windows install had come first, and then Ubuntu. This was a year or so ago. The other day I felt it was ...
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votes
1answer
3k 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
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1answer
28 views

how can I shrink logical volume and create new partition if the logical volume to shrink is present in the middle?

I have a HDD of size 120Gb, that has RHEL6 with 2 physical partitions sda1: /boot sda2: LVM managed Logical volumes VolGroup00 VolGroup00 contains following logical volumes /lv_root 36G /lv_opt 45G ...
4
votes
2answers
153 views

Enable Fn-Brightness Buttons Ubuntu

I am trying to get the Fn+F5 and Fn+F6 buttons to work on my ASUS UX305F laptop running Ubuntu 14.04. I have tried adding all of the following to /etc/default/grub without success: ...
4
votes
2answers
120 views

Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then took out the existing HDD and swap in a new HDD to install linux on it with uefi. ...
0
votes
1answer
2k 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 ...
2
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0answers
114 views

Restore MBR on a Toshiba Satellite Click Mini laptop with Windows 8 after uninstalling Debian 8 using EasyBCD

The Toshiba Satellite Click Mini is a special computer, it doesn't have any CD/DVD drive and the BIOS is special and very limited, it looks like this: When I select "Enter Setup" I have a menu like ...
0
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1answer
35 views

root encryption with LUKS: root partition not found

The layout of my only disk is the following: /dev/sda1 for the plaintext boot partition /dev/sda2 for the encrypted root partition My system is ArchLinux and I followed this guide to set up root ...
1
vote
1answer
96 views

How do I re-configure grub options

I've searched this topic and I can't find an article with a plausible solution, to my problem. I installed Windows 7 first, with 100gb of disk space. I then created the necessary partitions via ...
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2answers
2k 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 ...
1
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1answer
44 views

How do I force GRUB to keep video mode after switching to the OS?

I use GRUB as a bootloader for my custom OS. I want it to enter graphics mode for me so I don’t have to do it myself in my system. However, before GRUB passes the control to the OS, video mode is ...
1
vote
1answer
3k 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 ...
3
votes
0answers
94 views

PC won't boot from flash drive after computer hibernated (grub on hdd corrupt too)

I had 3 OS installed: Windows 7 , Fedora 17 and Mageia 2 in my Acer Aspire 4253 laptop. I deleted the partition of Mageia and my grub got corrupted. I didn't have an installation DVD of either Win7 ...
4
votes
2answers
567 views

Installing Windows Update 3033929

I am using grub as default boot loader for my dual boot laptop (DELL Vostro 3750). My system is currently undergoing a reboot loop (infinite) because of Windows Update 3033929. As described here: ...
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0answers
28 views

How to get RUFUSLDR to load from Grub2 on USB

Well last week i came across a few issues with my old Acer One notebook and so i would like to install Windows XP on it. Current Tools and Software at my disposal are: 64Gb PNY USB Flash Drive Kali ...
0
votes
1answer
48 views

Install grub raid1 & lvm

I have installed an Ubuntu Linux on a machine where there was a RHEL (from Dell) At the end of the installation I got a message that GRUB2 could not be installed. So I booted into a Live Linux (from ...
0
votes
1answer
27 views

How do I boot from a SD card with grub?

I wanna boot from an SD card in my PC's internal SD card reader. Is it possible to boot from the SD card like from a Hard disk ? Is there a specific "command" or something like that? (e.g. hd)
1
vote
1answer
31 views

How to change to grub bootloader from windows bootloader

I have ubuntu, linux mint and windows 8 on my computer. A few days ago my windows installation failed, so I reinstalled it on the 500GB partition. My hard drive is 1TB. Windows is 500GB, Ubuntu is ...
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0answers
15 views

How to move bootloader from hard drive to usb stick

I've decided to move my Debian bootloader and /boot from hard drive to usb. I'm using LUKS to crypt my hard drive and the bootloader is the only not crypted partition. How can I easily do this? I ...
0
votes
2answers
4k views

Boot stuck at blinking cursor before GRUB - only works via BIOS boot menu

I have a new box running Debian Squeeze. Grub is installed on /dev/sda, but when booting up I just get a blinking cursor, before the Grub menu. I can only boot to grub successfully when I choose boot ...
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votes
1answer
41 views

YUMI multiboot usb path issue

I was create multiboot usb with YUMI software. My bootable usb dir; /bootwin7 /bootwin8 /multiboot in bootwin7 folder; /boot /efi /sources /bootmgr /bootmgr.efi in menu.lst; #start Win7SP1 ...
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0answers
38 views

Does UBUNTU partition (with GRUB) affect Windows 8.1 Sleep/Shutdown/Hibernate behavior?

I have a UBUNTU and Windows 8.1 dual boot installed on a dell Inspiron 14 5000. I'm considering removing UBUNTU though (although I am happy with it) because Windows is unable to consistently remain in ...
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0answers
104 views

Grub2 with Kali, how to boot into Windows 7

I will preface this with saying I am new to linux. I had windows 7 installed on my main SSD, I wanted to give Kali a try so I installed that on a 2nd SSD. When the option to install grub2 came up, ...
0
votes
2answers
27 views

GRUB starts every other time

My ubuntu install only gets to the grub menu every other time (sometimes not even). The other times it shows a blank screen with a strange line of artefacts along the top. I'm not sure how to ...
11
votes
5answers
19k 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 ...
0
votes
1answer
66 views

Why grub stuck at boot using UEFI, and with VGA unplugged?

I want to make a headless server using Debian 8 (Jessie) in an UEFI machine. After installation the machine boots only with a VGA plugged.
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0answers
30 views

Can I use a mouse on BURG?

Some users don't understand that you can only use the keyboard on BURG, and I was requested to enable the use of the mouse in it. Is there some way to enable the mouse in BURG?