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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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 ...
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1answer
43 views
+50

Enable Fn-Brightness Buttons Ubuntu

I am trying to get the Fn+F5 and Fn+F6 buttons to work on my ASUS laptop running Ubuntu 14.04. I have tried adding all of the following to /etc/default/grub without success: ...
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1answer
25 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. ...
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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
93 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 ...
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2answers
457 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
25 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 ...
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14 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 ...
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0answers
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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 ...
0
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1answer
29 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 ...
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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
15 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)
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1answer
21 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
9 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 ...
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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 ...
0
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1answer
23 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
17 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
53 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
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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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2answers
21 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 ...
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5answers
17k 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
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1answer
31 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
25 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?
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2answers
112 views

Shutdown on BURG

I'm using BURG in my computer with 2 partitions: a Windows 7 and a Linux Mint 17 as well as the Sora theme. Everything works perfectly, except the shutdown button. When using the halt command, it ...
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4answers
182 views

Install grub on a disk drive by UUID

There is a way to indicate to grub to install on a device MBR by UUID instead of using /dev/sdX ? I'm setting a external eSATA hard disk with NixOS, and obviusly, the hard disk not would be always the ...
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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
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. ...
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0answers
40 views

Windows 8.1 won't shut down or hibernate after dual booting Ubuntu. Hybrid boot issues?

So I installed Ubuntu 15.4 on a different partition just like I used to do with Windows 7. I'm using GRUB 2 to choose the OS and I can boot into the two operating systems just fine. When I try to ...
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0answers
22 views

Change /Proc/cmdline from initramfs

I have a remote computer on which I changed the LVM partitioning. Everything was working just fine until I tried to reboot. I'm getting this : ALERT! /dev/disk/by-uuid/<uuid> does not exist. ...
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0answers
30 views

Completely uninstalling Windows 8.1 + Prepare automatic recovery

My computer earlier was on a dual boot with Windows 8.1 and Ubuntu 14.04. But then I uninstalled Windows 8.1 to replace it with some other Linux OS. I don't know whether what I did was proper ...
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1answer
2k 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 ...
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1answer
39 views

GRUB Bootloader not loading

I had 2 partitions Partition 1 - Ubuntu Partition 2 - Empty So I installed Windows 8 on 'Partition 2' and now I can't load the Ubuntu OS as it directly loads Windows. How do I get back the Grub ...
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1answer
70 views

chainloader and efi boot partitions

My recent attempt to install a multi-booting system onto my twin disk rig failed, though I had successfully installed Ubuntu, Linux Mint and Peppermint on disk 1, updating grub afterwards. When I ...
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0answers
30 views

Boot Debian with external monitor as primary display device

I have an old HP laptop with non-working display. So i decided to convert the laptop to a private server. I connected it to my TV and installed Debian 7.7. The installation was smooth with the display ...
0
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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 ...
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0answers
34 views

Damaged partition table in dual boot system

Since this morning grub fails to boot to any of my two operating systems (Windows 7, Xubuntu 14.04) and gives me a grub_rescue prompt. I first tried to boot into Xubuntu but I could not ls in any of ...
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0answers
22 views

How to boot the GRUB rescue prompt as i am unable to format the laptop

I installed Ubuntu in my laptop. After some days i was trying to format my laptop through the recovery mode given by laptop manufacturer. I went into the recovery partition by navigating through the ...
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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 ...
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0answers
69 views

error: no such device … entering rescue mode … grub rescue

EDIT After trying out these instructions still not working: http://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows The error during grub ...
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0answers
50 views

How do I boot from a different disk?

I have a working Debian installation. It boots from /sda using GRUB2, with the root partition on sda1. Its a standard install, nothing strange. I've added a 16GB mSATA device which appears as sdc. I ...
0
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1answer
45 views

How to add Windows to grub?

The following is the list that I got when I executed the command sudo fdisk -l: Disk /dev/sdc: 120.0 Gb, 120034123776 bytes Id disk: 0x975e4baf /dev/sdc1 * 2048 206847 102400 17 ...
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0answers
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windows 8 was updated to win 8.1 and now error with ubuntu 14.04 LTS

on a HP 255 laptop i had installed ubuntu over windows 8 it worked fine untill win 8 one day it was automatic updated to win 8.1 now there is a problem with ubuntu 14.04 LTS error: uknow filesystem. ...
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1answer
1k views

How to boot Linux with extlinux

EDIT: Just adding my two more cents after this question becomes a "popular" one. I had been a great fan of grub because it was able to boot everything that I used. However, when grub2 came, I really ...
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2answers
4k views

How do I set up Grub properly to quad-boot Windows, Mac OS X, Linux, and FreeBSD?

Grub has gone completely insane on me. My quad-boot system was working great up until I upgraded Ubuntu to 12.04. Since Ubuntu overwrote the Grub stuff I had to repair it with my Mac OS X and FreeBSD ...
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1answer
50 views

How to restore MBR and boot windows 7 from GRUB rescue?

I have a dualboot system with ubuntu and windows 7, I wanted to remove ubuntu so I removed the linux partition from disk management from windows, after reboot I'm stuck in GRUB rescue. How to boot ...
0
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1answer
51 views

Why I can boot various kerel versions but not XEN kernel in grub2

I have successfully compiled XEN usigng following steps: wget http://bits.xensource.com/oss-xen/release/4.4.1/xen-4.4.1.tar.gz tar xzvf xen-4.4.1.tar.gz cd ./xen-4.4.1 export ...
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1answer
47 views

UEFI strange behavior - works once but deletes MBR

I have a Toshiba Satellite L50-A1-D6 with the latest (14 November 2014) BIOS update. I have removed Windows 8, completely formatted the HDD (in GPT), and installed Linux (Ubuntu, but this is not ...
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0answers
28 views

Windows 7 screen not displayed after installing Ubuntu

I bought a new Lenovo laptop with DOS and I wanted to make it dual boot (Ubuntu 14.04 and Windows 7, both 64 bit). I took the following steps to install both systems: Installed Windows 7 OS ...
1
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2answers
209 views

grub2-install: “this GPT partition label contains no BIOS Boot Partition”

There seems to be quite a bit of discussion about this but I can't find a simple answer. When I try to install grub2 I get this error: # grub2-install /dev/sda Installing for i386-pc platform. ...
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1answer
19 views

Is there a way to tell whether my EFI bootloader would accept the signature of the binary without reboot?

Assume that I have just installed a signed EFI bootloader (e.g. grub2 from Ubuntu 14.10 amd64 on a Lenovo IdeaPad U410 which can only boot in secure boot EFI or legacy mode) on a machine from within a ...