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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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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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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1answer
95 views

Removing GRUB when migrating to SSD

I have an SSD that I would like to migrate windows to. It previously had Ubuntu installed. After reformatting the hardrive, then using cloning software to clone the windows onto it, I tried to boot to ...
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1answer
8 views

Dual/Triple Booting without BootMGR/GRUB/others using PHYSICAL HDD's

For starters I have looked over EFI Boot: Two independently bootable physical hard drives? but TBH it's a little complicated for me, maybe just because I'm unfamiliar with the terminology. All I know ...
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1answer
25 views

How do I change which monitor my computer uses at boot?

I have two monitors connected to my PC: One computer monitor via DisplayPort and a TV via HDMI. The TV isn't in the same room as my PC, so it's pretty tough to select which operative system to launch ...
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3answers
12k views

Kali Linux and Bootloader problems

At first I was using Windows 8.1... I downloaded Kali and put it on flash memory. The options got me to either: -Browse live -Install I browsed it live a little then went to installation. Grub ...
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1answer
4k views

Issues installing Kali Linux alongside Windows 8

I am running Windows 8 64-bit with an i3-3230m with 750GB HDD and 8GB RAM. I installed Kali onto a 40GB unallocated partition. (Note: I had to change to Legacy mode in BIOS or my computer would not ...
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3answers
6k views

How to Dual-Boot Kali-Linux and Windows 8.1?

I have Acer V3-772G 1 TB Harddisk. I shrinked my biggest partition in order to install Kali Linux. When installing Kali, GRUB couldn't detect windows 8 so I kept going on(I installed grub as my ...
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1answer
19 views

Booting a BIOS bootloader from UEFI mode

I have a Linux setup that I boot in UEFI mode with GRUB. I want to try out OpenBSD, which unfortunately doesn't support GPT or UEFI yet, so I partitioned a drive with a traditional MBR table and ...
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0answers
9 views

Unable to change screen resolution on Debian 7 Server running without GUI in text mode

I am trying to change the screen resolution on a server running Debian 7 without a GUI. This is bare metal not a VM. I have tried the previous answer to this problem by adding the following settings ...
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2answers
160 views

Accidentally deleted /boot and GRUB doesn't load, how can I restore my install?

While trying to re-install Windows (I am running Arch/Win7 dual boot) I accidentally deleted a partition labelled (in the Windows installer) as 'recovery'. I didn't fully install Windows (I lost my ...
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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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6answers
8k views

No boot menu for Ubuntu 14.04 after dual boot installation

I assume, this is not a duplicate post. Please read my findings below before assuming so. I have gone through several questions over the Internet regarding people complaining that they are not ...
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0answers
10 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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2answers
62k views

How can I fix a “no such partition Grub Rescue” error? [duplicate]

Earlier I installed Ubuntu 10.04 from a USB flash drive. Since the system was unable to detect Ubuntu in the initial menu that appears on reoboting, I deleted the partition onto which I had installed ...
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1answer
164 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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GRUB2 + encrypt. /boot: Load cryptkey from usb

Grub2 allows to encrypt the boot device with LUKS. Booting the system, it shows a prompt for entering the passphrase. In my case, the passphrase should be secure, so it is very long. Is it possible - ...
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0answers
17 views

Can't boot ISO images directly off my laptop

I'm running Ubuntu 14.04 and looked through https://help.ubuntu.com/community/Grub2/ISOBoot so that I can boot from an Ubuntu 14.10 ISO. But it isn't working, when I select that menu entry from the ...
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0answers
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Grub Fallback Not Working in Redhat 6.5

I'm trying to set up a grub fallback system in grub.conf, but none of the settings in the grub 0.97 documentation have any discernible effect. Also, there is no grub-set-default command present. This ...
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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
31 views

Recover BIOS on Lenovo U310 Touch after Windows 10 rollback

I have a Lenovo U310 Touch. Before the start of the problem, I used to have a dual boot configuration with Linux Mint 17.1 and Windows 8.1 installed side by side. I used to have a GRUB bootloader with ...
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Can’t boot into Linux Mint after installing Arch Linux

On my computer, I have Windows 8.1, Linux Mint, and recently Arch Linux, installed in a partition scheme like so /dev/sda1 SYSTEM (Win 8 bootloader, BCD, etc.) /dev/sda2 Windows 8.1 ...
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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 ...
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1answer
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Bios does not load, system boots normally after changing time settings

I am very confused by this. I have a CyberpowerPC laptop (Intel HM87 main-board) with dualboot (Win 8.1 and Ubuntu 14.04, both 64 bit). I had the dualboot time difference problem many people have, so ...
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1answer
1k views

Is it possible to install an over 2TB HDD CentOS on Hetzner?

Wanted to just check here before I open a ticket at Hetzner. I just got a server from Hetzner with 2x 3TB. I want to set them up in a RAID 0. I’ve ran the “Installimage” command once in rescue-mode, ...
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6answers
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Grub rescue, unknown file system. Can't boot into Windows 7

I am confused, so I am also going to use this question to get clarification and fix my computer. Some background: I had Windows 7 on a 1 TB HDD and decided to partition my hard drive into two ~500 GB ...
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1answer
3k views

Windows 7 not booting. grub bash shell appears

My Windows 7 x64 desktop PC stopped booting after I restarted it. This message appears: drive 0x80(LBA): C/H/S=1023/255/63, Sector Count/Size=16434495/512 Partition num: 0, active, Filesystem ...
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0answers
34 views

Unable to boot Ubuntu from USB on a Windows 8.1 system

I am trying to install Ubuntu 14.04 on my system which already has a Windows 8.1 installed. I have created a bootable USB flash drive but I’m unable to boot from it. I looked around but could not ...
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33 views

How to manually boot with grub or: how to boot a 32bit Linux OS on a 32bit only UEFI firmware computer?

I want to install a 32bit Linux (e.g. Ubuntu) on my Intel Atom Bay Trail tablet, but I fail to get it to boot. The device's firmware only supports 32bit bootloaders. There are guides that somewhat ...
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0answers
25 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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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 ...
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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 ...
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0answers
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Windows 7 stopped booting after I installed linux mint

I have recently installed Linux mint 17 on my friends computer. After reboot, Windows 7(loader) was not shown in grub. I tried to run boot-repair. Here is log: http://paste2.org/wDN81wn7 . After ...
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0answers
29 views

Stop Windows 8.1 from removing Grub

I've got a relatively new HP Envy machine running Windows 8.1 that I want to run Ubuntu on. Installation works great and I'm all happy until I boot back into Windows, at which point grub is removed ...
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0answers
28 views

Windows 8 won't show in my GRUB menu

I recently downloaded Kali Lunix to my Windows 8.1 computer. I have a Gateway NV570P09u. After I went the the graphical installation and put Kali onto another Partition Disk, I was put into a GRUB ...
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1answer
41 views

How do I remove unneccessary boot device options?

Long story short: had win8, decided to make dualboot, installed manjaro linux (mounted /boot/efi to windows' efi partition), oh noes grub doesnt show option to log into win8, managed to create win8 ...
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0answers
25 views

Can GRUB discern between power on by magic packet and power on by hardware button?

I have a dual boot win 7 / linux Mint with GRUB 2 as Bootloader. I was wondering for some time now if it is possible to set up GRUB to display a OS list when I start computer by pressing the power ...
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1answer
20 views

GRUB disabling timeout if PC reboots too often

I have a multi-boot enabled system that has a few operating systems installed on it, and the booting of the actual OS is handled by GRUB initially. I have the following options in my boot menu: [*] ...
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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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4answers
14k 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 ...
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0answers
23 views

Debian - missing /by-uuid/ in boot image

We proceeded few disk operations on our server (system disk was extended for new hard drives) and unfortunately after reboot boot stuck on error: ALERT! ...
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1answer
12 views

Remove Grub from its own partition

Some time ago I installed Ubuntu alongside Win8.1 and didn't like it quite much but decided to leave it installed. Now I wanted to delete it and as I've already had problems before uninstalling ...
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1answer
30 views

How get reach of Grub at Debian and going to desktop environment?

Recently I installed Debian Distro of Linux as a 2nd operating system, When I chose the Debian operating system during boot, a command prompt (like to Terminal at Ubuntu) starts with message "Welcome ...
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0answers
26 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 ...
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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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0answers
23 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 ...
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1answer
28 views

Partition resize error

I've decided to remove my old linux [/] partition and enlarge my Win7 partition, before install new linux distro. For first time in my experience something gone wrong when I tried to resize (enlarge ...
0
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1answer
19 views

How do I boot into Xubuntu after dual booting along-side Windows

I recently installed Xubuntu 14.04 from USB on a netbook running Windows 7. It installed fine, but before I restarted the machine, I removed the USB stick (out of habit). I couldn't shutdown the live ...
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0answers
20 views

Will converting my partition table from GPT to MBR fix my failed bootloader installation? [duplicate]

I have problems with GRUB but I don’t know if the following solution is going to be a) safe, and b) effective. This article seems to suggest that I should change my partition table from GPT to MBR ...
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1answer
2k views

How to boot XBMC 10.1 ISO on USB via grub?

I am trying to boot the XBMC Live image as an ISO from USB via grub 1.98. I have a Kubuntu 11.04 image there as well already and it works using the following configuration: menuentry "Kubuntu 11.04 ...