GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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Stuck in GRUB COMMAND LINE hell

I installed Ubuntu, but when I boot I go straight to Grub rescue command prompt (GNU GRUB version 2.00-19ubuntu2.1). I can get a Grub boot interface by typing: set root=(hd0,5) set ...
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Run update-grub now can't boot ubuntu, windows, or cd [closed]

I have a dual boot Windows Vista and Ubuntu 11.04 desktop. I wanted the default os to be the last one that I booted so I edited the grub file in /etc/default/grub. I changed the line GRUB_DEFAULT=0 to ...
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Dual boot Surface Pro with Ubuntu?

How could I setup a dual boot for Ubuntu and Windows 8 on my Microsoft Surface Pro with 128 GB. Note: My dual boot solution is below.
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Multiple problems with GRUB disk partitions Ubuntu login after update

Story: I have some problems which began with the lost+found folder and space which I could not get rid of even after I did dd (from live sdcard) with complete zero overwrite to the whole disk and ...
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39 views

Win8 won't open after instaling Lubuntu 14.04; infinite loop in GRUB

On my HP laptop with windows 8, I installed Lubuntu as a dual boot from a live CD. At first, I could only access grub through hitting F9-ubuntu, so I tried Boot Repair to no avail. Then I tried ...
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How to configure grub

Hi Friends Myself Mukesh and I want your help to solve my problem. I have installed Ubuntu 14 on my HCL desktop with legacy BIOS support. It was working fine till yesterday when I installed windows 8 ...
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3k views

Ubuntu 13.10 Grub 2.0

I know this question may have been asked hundreds of times before but there doesn't seem to be one answer to how to solve it. I upgraded my computer to Ubuntu 13.10 and my computer was low on ...
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What filesystem should /boot be?

I recently decided to set up my custom built system to be Linux only and I manually set up /boot, /, and swap partitions with /boot and / being ext4 filesystem types. Upon completing installation of ...
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135 views

Install Ubuntu 14.04 with Windows 8.1

I have a Sony Vaio SVS13A1S9ES. I installed Windows 8.1 in my computer and now I've installed Ubuntu 14.04 and I've installed grub in sda6, which is my "/" partition. The problem is that when I boot, ...
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“Unable to install GRUB in /dev/sda” when installing GRUB

I recently bought a shiny new Lenovo Yoga 2 Pro and I want to dual boot it with Ubuntu for studying purposes. Its built-in OS is Windows 8.1 and it has a 256GB SSD. I've made a separate 90GB ...
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29 views

Remove non-existent Windows loader from GRUB

When I run update-grub on Ubuntu 12.04 on my system, I get the following output: Found linux image: /boot/vmlinuz-3.2.0-29-generic Found initrd image: /boot/initrd.img-3.2.0-29-generic Found ...
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Problem with the installation on ubuntu 14.04 LTS

I had a computer running Windows7 and wanted to change to Ubuntu. So I installed the 14.04 LTS version and all seemed to have gone cool. (I'd like to make clear that I want just Ubuntu in the ...
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46 views

After updating grub, my dell inspiran laptop boots but goes blank screen

I was facing a problem with my Radeon graphics card (getting too hot). So I applied the following solution given here: Enable AMD Radeon DPM (Dynamic Power Management): To enable DPM in Ubuntu ...
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28 views

Grub Rescue Without CD : Error

I deleted 2 partitions on my hard disk and now I am unable to boot my pc. I searched and found that it is possible to boot without a CD, but the method is not working for me because I can't find the ...
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31 views

Deleted linux swap, now booting to grub rescue

I just deleted my linux swap from gparted and used that to extend my main linux partition. Now I just boot into grub rescue. It seems like a simple fix in fstab but I'm not sure. Here's my fstab # ...
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2answers
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Can't boot XP only Ubuntu

I have used Windows XP for years. I partitioned my HD with 300 GB for XP and 1 TB for Ubuntu. I installed v.14.04 successfully. When booting I get a menu choice defaulting to Ubuntu and then XP. ...
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How to fix a GRUB Boot-loader that does not recognize a partition without a fresh install?

I was running two separate partitions of Linux (Ubuntu and Linux Mint) and Windows XP when I deleted my Ubuntu partition through Easus partition manager on XP due to simple stupidity. This erased my ...
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Auto-Select After Hibernation

I am trying to have my computer hibernate and then turn back on after a certain amount of time. Following this answer, I tried: sudo rtcwake -u -s 60 -m mem This works great. However, when I have ...
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1answer
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Grub rescue problem after deleting Ubuntu partition!

After I deleted Ubuntu partition, I rebooted my computer and got grub rescue problem. What I have tried so far is finding the right partition of ubuntu from grub rescue command by ls command. It ...
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How to reinstall grub

In my computer I had 2 partitions of Windows 7 (classical C: and D:), Ubuntu Gnome (that I standardly use when I need to code) and some old Fedora partitions that I don't use anymore and that I was ...
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84 views

Just installed ubuntu 14.04 but after restart it wont boot

I used a live USB to install Ubuntu 14.04 and completely erase windows 8.1, the installation went fine but when I restarted the computer Ubuntu wouldn't boot from my HDD, instead it came up with try ...
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1answer
148 views

Win 8.1 Bootloader: Your PC Needs to be repaired/A device required for boot is not connected

Hello Fellow Ubuntuans! I've got Ubuntu 14.04 and Windows 8.1 pro dual booting on my PC and everything has been fine until about a month ago. Recently every time I reboot into Windows after Ubuntu I ...
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error messages upon installation of new ubuntu 14

1) I have a link to ubuntu (for previous version) on the boot menu. However when I click on that link I get a black screen (no writing). My guess is that ubuntu crashed and disappeared, since I can ...
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How do I hide the GRUB menu showing up in the beginning of boot?

I stopped Dualbooting and I dont want to have to choose the OS anymore and just have it load Ubuntu like normal like before? Any help is appreciated.
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Ubuntu 14.04 (Xubuntu) not working on dell E6410 after successful Installation

I have a Dell E6410 with an Intel Graphics Card and i5. I installed Xubuntu 14.04 from an USB Drive (Unetbootin) without any problems. But after I boot from the internal SSD (Crucial MX100) I get ...
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1answer
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How to change lines at the Grub2 boot entry

I have installed the new version of Ubuntu, 14.04, with Windows XP. At first, by booting I had the error message: Serious errors were found while checking the disk drive for /. I found a solution ...
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Cannot boot off of USB Flash Drive to Install Ubuntu

UNetBootin tells me to reboot after it's done placing the contents on my flash drive. After I restart my PC, I press the DEL key to enter the BIOS. I then go to the Boot Menu and change the 1st Boot ...
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Got error 'GRUB installation failed' while installing ubuntu 12.04 lts on windows 8

I have Sony vaio with Windows-8. I also want Ubuntu 12.04 as my second OS. I created 50GB root partition and 4GB swap-area partition. But after some time(about 2 minute) while installation I got ...
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After re-installing ubuntu 13.10, stuck at GRUB Rescue, Boot-Repair didn't work!

Because i could not get the WiFi login work, i thought i will reinstall ubuntu, with internet connection to have updated drivers for wireless & graphics etc. I have deleted earlier linux ...
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Why grub-reboot stays at the boot-once system?

I have two Linux systems installed on one machine. They share one /boot partition and are pretty much the same. From one system (A), I use grub-reboot to boot to the other system (B), or vice-versa. ...
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2k views

Installing Ubuntu inside Windows 8 [duplicate]

I have been using Windows and ubuntu alongside each other for quite some time. Till Windows 7, things were fine. I installed Ubuntu inside Windows and all was fine. At startup, I would be asked if I ...
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Broken Ubuntu 13.10 Installation

I upgraded from 13.04 to 13.10 and shutdown my computer and now it boots to a blank screen everytime. The only thing there is a cross shaped cursor. I can boot to terminal using ctrl+alt+f1. Boot ...
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Need Help with partitions and such Dual Booting 13.10 w/ windows 7

so I've spent the past couple days freaking out about this and looking for answers, and I decided to resort to asking on forums. probably should have before I wasted 2 entire days. so I am trying to ...
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Problem Dual Booting Ubuntu with Windows 8

So I got a new laptop an Asus Q501L and I went to install Ubuntu 13.04 alongside Windows 8. I had problems booting to the LiveUSB but managed to work around the bios I ran the Boot Repair using the ...
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file error /boot/grub/i386-pc/normal.mod trying to repair boot, live dvd install probleml

I have seen that there are a lot of threads about this problem. I had Windows 8 installed on my series 3 samsung i5 computer and I tried to install ubuntu 13.04. This is what I did: Because of the ...
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Installing BURG: ppa not working

I'm trying to install BURG to substiture Grub, on Ubuntu 14.04 (I need dual boot with Windows 7) I've tried to install burg-manager, to install burg from there. It seems all ok, it doesn't give ...
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How do I boot into a root shell?

When booting to the graphical desktop fails we sometimes are recommended to boot into a "root shell" or to boot in "recovery mode". How do I do that?
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How are /dev/sda and /dev/sdb chosen?

I am trying to install Windows 7 on /dev/sda but whatever drive I install Windows 7 on becomes /deb/sdb. I havent changed any boot priorties in the BIOS. Could someone please help me understand how ...
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Why can't I install GRUB on my USB drive?

I'm trying to install Lubuntu to a USB drive, but I'm having a difficult time installing GRUB to the drive. The rest of the install seems to go fine. This is what I have tried Went through the ...
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How to fix/install GRUB?

I'm facing a problem of not being able to boot into Linux. I get the "grub-rescue" crash (as the one mentioned here. But my problem is really very different. I don't have to /boot directory on my ...
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Formatted my HP win 8 laptop, Ubuntu will not auto load without the CD in the drive at all

I installed Ubuntu on my HP-Pavillion that came with windows 8. I formatted the drive and installed Ubuntu but when I turn the machine on and load from the HDD, I just get a dos screen and _ cursor. ...
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287 views

Can't boot to Windows 8.1 after installing 14.04

I've just installed Ubuntu 14.04 on my new computer. I had previously installed 13.04 and 13.10 without problems on my old computer, but it seems that i've done something wrong now. The problem is ...
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1answer
44 views

How to install GRUB2? [duplicate]

I have installed Ubuntu 14.04 with windows 8 (dual-boot), and I want to set GRUB(2) to boot first. How do I do that? EDIT when trying boot-repair I got the following error: sudo apt-get update ...
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Ubuntu 12.04 & Mac Os X - GRUB Rescue prompt SET commands made permanent?

I recently re-installed my Mac OS X partition. This somehow messed up my entire partition scheme it seems. First I got dropped to the Grub rescue> prompt when trying to boot Ubuntu. I had never ...
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Stuck in GRUB Rescue Mode, all partitions -> “Unknown filesystem”

I somehow messed up my laptop... I have a dual boot machine with Ubuntu 14.04 and Windows 7. The Ubuntu OS has been installed a couple of days ago and I was encountering an annoying bug: when booting ...
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How do I set Windows to boot as the default in the boot loader?

How do I set the bootloader so that in my dualboot with Windows 7/Ubuntu 11.04, Windows start up as standard instead of Ubuntu?
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Dual-Boot Ubuntu and Windows 8 w/ SSD in Raid 0 won't install bootloader (Asus UX301)

I have been trying to install Ubuntu on my brand new Asus UX301 to no avail no matter what I try. I am always not able to install the bootloader on any partition. This does not matter whether I boot ...
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Grub EFI entries and Boot-Repair

I installed Ubuntu 12.10 on a Dell laptop with OEM Windows 8 on it. At first, my Grub menu didn't show at all, so I changed the /etc/default/grub file commenting the line GRUB_HIDDEN_TIMEOUT=0. After ...
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Change boot priority in Grub

I installed Precise on my friend's computer to use it, but it automatically boots into Precise. He has Xp and wants it to boot into Xp automatically. How can I set Windows Xp to be the primary boot ...
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Can't remove kernels “run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 1”

Yesterday I upgraded Ubuntu from 12.04 to 12.10. However, the linux kernel has not upgraded from 3.2 to 3.5 as I would have expected. $ uname -r 3.2.0-32-generic $ uname -a Linux tony-b ...