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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Reboot from windows to linux with grub

I have machine with Windows and Linux with GRUB, only with remote access. Is there any way to chage default OS in grub from windows? I know how to achieve it from linux, something like echo ...
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528 views

GRUB boot menu disapeared after NTFS partition deleted?

I have a dual boot system with Windows XP and Fedora12. Following is the partition structure of my harddisk. Disk /dev/sda: 80.1 GB, 80060424192 bytes 255 heads, 63 sectors/track, 9733 cylinders ...
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Is it possible to have Grub2's boot.img in the MBR and have it load core.img from a separate boot partition?

I have a multiboot system that I would like to use Grub to manage. The version of Grub shipping with my Linux distro is Grub2, and it installs its equivalent of stage 1.5-2, core.img, into the ...
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2answers
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GRUB having problems with my sda1 UUID

I was having trouble trying to setup triple boot on my computer... (Take a look at this thread if you think it would help). I ended up by having a GRUB menu that has Ubuntu entries and "Windows" ...
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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 ...
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1answer
651 views

How can I write a Windows (NTFS) .img file to a partition and add it to grub?

I'm trying some crazy stuff here. First, I had a VirtualBox machine with Windows XP installed, using .vdi format. Then I exported the image to a OVA, extracted the .vmdk and converted it to a raw .img ...
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159 views

Windows 7 not showing on Grub 2 list

I have Linux Mint and Windows 7 installed on two separate drives. I have bounced between the two all day (initially trying to get mint to show in the windows boot list, and now working on getting ...
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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 ...
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490 views

Making grub boot into chroot directory

I am trying to make grub boot into a chroot directory /slack containing a Slackware Linux installation. This directory was created by issuing the following command: installpkg --root /slack a/*.t?z ...
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1answer
540 views

Why doesn't GRUB see my SSD partition?

I have a HP nc4400 laptop with an SSD drive in it. Sometimes when I reboot I get a There is no such partition. grub rescue > prompt. If I power cycle the laptop all is good and GRUB is able to ...
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1answer
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Cannot find grldr in all devices

I'm running wubi on XP machine. Started out originally with 8.04, and gradually upgraded to 10.04. Recently, I was creating linux bootable USB drive, and put it in my system to see if it would work. ...
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1answer
143 views

Ubuntu USB disk naming conflict on bootup

I've finally taken the plunge and ditched Vista for Ubuntu 10.04, and have a strange problem when booting up. Normally, my boot disk is /dev/sda, and grub boots from /dev/sda1 just fine. Once Linux ...
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954 views

GRUB-2 Bootloader fails to load for lack of floppy drive. Ubuntu 10.4 & Windows XP

2010.07.21 while trying to install Ubuntu 10.4 Hello all, I've been trying to install Ubuntu 10.04 on my Dell workstation and am unable to get the Grub-2 bootloader to load properly. It seems to be ...
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1answer
498 views

How to add an item GRUB 1.98?

I am having trouble with GRUB version 1.98. I have been using GRUB 0.97 for a long time and can do pretty much what I want with it. It appears that the last version of Debian (6.0) installs GRUB ...
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2answers
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Why does Grub2 have a Memory test ?

I was previously using Ubuntu Hardy 8.04 and now using Ubuntu Karmic 9.10. I am somewhat offended by the memory tests at the Grub2 start-up ? Why are they there ? Do I really need memory tests at ...
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3answers
367 views

No GRUB after re-installing Windows

I have Windows and I installed Fedora 12 on a separate partition. However, I had a problem with my windows XP SP 3 and had to install Windows on my C drive. When I re-boot I on longer get the GRUB ...
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6answers
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Is there a good way to make a remote machine dual-bootable into Windows and Linux?

I'd like to make a dual-boot machine that can be rebooted into either OS remotely. The only idea I have is to make the grub configuration live on a FAT partition so that it can be edited by either ...
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4answers
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Cannot access Ubuntu 10/04 after reinstalling Windows [duplicate]

Possible Duplicates: No GRUB after re-installing windows Windows 7 upgrade and Grub boot loader I had Windows Vista Home Premium on HP pavilion desktop. I partitioned the disk for Ubuntu ...
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3answers
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Triple boot Mac OS X, Debian and Gentoo on a MacBook

I'm looking to install Debian and Gentoo alongside Mac OS X on a (Intel) MacBook. Debian will be for using Linux, and Gentoo for toying around. There are lots of guides on the Internet about ...
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2answers
822 views

Unable to boot into windows after removing Linux

I had Linux Ubuntu and Windows dual booting from my computer. I used partition manager to remove the Linux Ubuntu partitions, now I can't get into Windows. The machine loads in to a command prompt ( ...
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4answers
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Can I erase a GRUB bootloader?

I installed ubuntu on my Windows 7 pc. Automatically it used the GRUB bootloader. Then I learnt how to use VirtualBox. I have no need for Ubuntu. So can I delete Ubuntu and GRUB while leaving Windows ...
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grub2-bios-setup: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible

Grub2 won't install on a hdd with GPT partition label (without --force), complaining about a missing BIOS boot partion - even though there is one. The first partition (1 MB) is supposed to be used as ...
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2answers
3k 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, ...
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2answers
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Chaining bootloaders for unusual setup

I'm trying to implement some unusual idea on my PC. I've got a total of 6 partitions: First one is for Windows 7 (my basic OS) 2nd one for Ubuntu 3rd and 5th are Windows storage partitions 4th is a ...
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1answer
628 views

Operating systems on SD cards

I was getting some wild ideas the last days, like putting some operating systems into SD cards rather than on my hard drive. I'll go further into details now and explain what lead me to consider this ...
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3answers
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Borked ubuntu uninstall - need to delete boot partition (i think)

I just got a new pc laptop with windows 7 and wanted to install Ubuntu on it. Which i did, no problem there, by downloading the installer, burning it to dvd then booting off the dvd and installing. ...
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3answers
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How to remove Linux from my system without affecting Windows' bootloader?

I'm a Windows user. I tried to experiment with Linux and installed openSUSE on my system. I formatted a partition and installed Linux on that drive. When I tried to remove Linux by formatting that ...
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3answers
618 views

What is my partition number?

I am using Linux and i need to restore my grub, so i go into commandline on live CD, and i enter 'grub', then 'root (hd0,6)', but it says that the disk does not exist. This is how everything looks ...
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2answers
455 views

What determines screen resolution on boot?

I am running a dual-boot configuration with Windows 7 and Ubuntu 9.10 on a Dell Studio 1500 with 1900x1080 native resolution. I am using grub2 as the boot manager. When the computer boots up the ...
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3answers
809 views

How to boot a Linux system without graphical server

I'd like to know what should be done to boot a Linux system on a CLI environment, without also starting the X graphical server. I'm interested in a temporary-only solution, ideally a command, or a ...
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1answer
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How to make Windows 8 BCD show boot menu instead of booting directly into Windows 8?

I have Windows 8, Windows XP and Ubuntu on my computer. And I am completely disappointed of modern logic of Windows 8 BCD. Say, I need to boot into Windows XP. Steps I must perform: Select "Windows ...
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2answers
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kexec for fast reboot installed - do one-time-only full reboot

I have got kexec installed to do quick warm reboots without BIOS POST'ing and GRUB popping up. It will just reinit the kernel and do the bootprocess again. Sometimes however, I like to do a full ...
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2answers
421 views

Change default option on dual boot screen

I want to know how I can change the default selected option on the GNU GRUB dual boot screen displayed on system start-up. I have a Windows 7 and Ubuntu dual boot PC. Currently there is a countdown ...
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1answer
2k views

GRUB broken after conversion to btrfs

First off, yes, I did, in fact, suspect that changing my filesystem from ext4 to btrfs would break GRUB and fstab. Now, here's what happened. I converted the filesystem seamlessly to btrfs and that ...
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1answer
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Boot non EFI MS-DOS Windows 7 partition with grub2-gpt

I have the following setup: UEFI Asus Motherboard GPT TABLE and Ubuntu on /dev/sdb MS-DOS TABLE, Windows 7 and Linux Mint on /dev/sda I try to boot the Windows 7 partitions with grub2 from Ubuntu ...
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2answers
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Lion refuses to be installed to any partitions on Mac

I was attempting to install Lion on my MacBook 7-1, on which I have installed Ubuntu 10.04 on a separate partition. Currently, my partitions look like this: ...
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2answers
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Deleting a Partition Also Deletes Two Other

I have a hard drive with the following layout: I want to delete the first two partitions (a 243 MB Linux swap partition and a 5.87 GB root partition). Problem is, every time I deleted them, Windows ...
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1answer
353 views

Grub 2 removed, Windows can't boot

In all my stupidity I used Windows to reformat my Ubuntu partition and now I can't boot anything. What's the best way to recover my netbook? I'm only able to use a 256 MB flash drive.
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TTY Resolution in Xubuntu 9.10

I've exhausted my ability to search through Google for this, so I'm giving it a go here. What I'm trying to do is increase the resolution (or decrease the font size) in the TTY terminals. Xubuntu ...
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3answers
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Why can i run grubinst.exe in 64 bit ubuntu

grubinst.exe is a console mode program to install GRUB4DOS boot code to the MBR or partition boot sector. I downloaded it from GRUB4DOS project page grubinst_1.0.1_bin_win.zip, and I think its for 32 ...
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2answers
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Blank menu.lst file after installing Ubuntu9.10

I just installed Ubuntu 9.10 on my PC. I have Windows XP as the primary OS. I am trying to set XP as the default OS with the following command in terminal: sudo gedit /boot/grub/menu.lst After ...
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2answers
73 views

Is it safe to backup my HDD?

Currently I see 2 parameters reaching design limits, namely Reallocated Sector Count as well as Spin Retry Count from the SMART data. The computer boots once out of 10 attempts and I have seen BSODs ...
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1answer
2k views

Unable to Boot Windows 7 after GPT/RAID migration

I recently did a migration off of a single hard disk to a RAID array. I backed up my partitions with Clonezilla and everything worked fine. I was able to then restore both my Windows 7 Bootloader and ...
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2answers
342 views

Can't restore laptop windows after Ubuntu (GRUB error)

Hi I tried out Ubuntu but wasn't happy, so I tried to restore windows from my laptop's CD, but after the restoration process finishes and the system reboots I get "GRUB loading, Error 17". How can I ...
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2answers
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Dual boot with 2 Hard drives

I have 2 old hard drives (they are both ATA) and I have one ATA ribbon cable with 2 connector. I install Linux on one harddrive and Windows 7 on the other. I can use them by switching the harddrives. ...
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How to add Windows 7 to Grub menu?

The following is the list that I got when I executed the command sudo fdisk -l: Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * ...
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1answer
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How do I permanently fix a GRUB partition off by one error?

I have a MacBook Pro set up to triple boot with rEFIt and GRUB. (I had to go through GRUB to get Windows 7 to boot, but that's tolerable.) I upgraded to Lion which added a new partition for the ...
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3answers
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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 ...
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1answer
802 views

Windows 7 destroys my GRUB2 on every boot

I have a dual boot setup with Ubuntu and Windows 7, I generally use Ubuntu but some times start Windows 7. Every time I have used Windows 7 my GRUB2 installation brakes and as soon as GRUB2 is ...
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1answer
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CloneZilla Broke My System? Ubuntu Installation Lost After Running CloneZilla

I just read through this post and tried to get my installation back using this answer to no avail. What happened to me is this: I spent an hour or more reading through the CloneZilla docs. I ...