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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How to remove password recovery reset?

How can I remove the ability to reset passwords outside of Ubuntu. This probably is ill advised, but I already have set a really good password that I cannot forget with high entropy and 42 ...
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1answer
81 views

grub rescue after ububtu removing

I've red plenty articles but i got no answer. i had improperly installed ubuntu 13.04 so i wanted to remove ubuntu from my hard drive. so through live cd -> gparted i removed everything linux ...
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1answer
619 views

What is the recommended way to chainload separate Ubuntu /boot partition

I want to have dual-boot two different Ubuntu distributions on the same hard drive. I've installed the first, with external /boot partition (e.g. /dev/sda2). Then I've installed the second ...
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2answers
2k views

Installed Xubuntu from USB stick now only boots up if USB stick is inserted

quite new to XUbuntu but here goes.. I've got HP Microserver that I am trying to install XUbuntu onto. No dual boot, will be XUbuntu only. So I downloaded the ubuntu ISO and made up a bootable USB ...
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2answers
101 views

Removing win8 ubuntu dual-boot and using just ubuntu

I just bought an asus notebook. It had no OS-s installed so I did the following to it. I installed win8 in uefi mode. I then added ubuntu to the mix. I installed it in uefi mode too using the guide ...
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1answer
234 views

Grub2 detects Windows 8 instead of 7

I earlier had Windows 7 installed on my laptop...then installed Windows 8 with dual boot setup on a different partition. Then I didnt like windows 8 so much and decided it to replace with ubuntu ...
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1answer
802 views

Fixing GRUB after fresh install from LiveCD on USB

I just reinstalled Ubuntu 12.04 using a LiveCD mounted on a USB drive. When the USB drive isn't plugged in... things won't boot. I'm new to Ubuntu, so please bear with me. After a bit of reading I see ...
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1answer
123 views

From BIOS to Login screen now takes 20 minutes. How do fix it?

When I start my machine, BIOS loads, GRUB loads, then I go from the purple screen to a blank black screen with blinking cursor, login won't appear for 20 minutes or so. Several lines of code appear ...
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2answers
117 views

Can I replace windows HD for new HD, install Ubuntu and then switch back to old Windows HD?

I plan to install Ubuntu on a friend's computer on a new hard drive but don't want to break their existing setup in case I can't get it working or they don't like it. I want to unplug and replace ...
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1answer
316 views

Trying to install Ubuntu 13.04 alongside Windows 7 [duplicate]

I installed Ubuntu 13.04 alongside the existing Windows 7 OS. The Ubuntu installation completed successfully, and it asked me to restart my computer. When I restarted, it was just Windows 7 that ...
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1answer
409 views

ubuntu 13.04 does not work after Windows8 update

I am using ubuntu 13.04 on my w-530 laptop. The laptop came with a pre-installed version of windows 8. I somehow managed to install ubuntu 13.04 on it and it was working very well. But, I needed to ...
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0answers
38 views

Can't open windows, and I get this error message when I try to access the partition from Ubuntu [duplicate]

Error mounting /dev/sda5 at /media/rafi/Windows8_OS: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sda5" "/media/rafi/Windows8_OS"' ...
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1answer
50 views

Can anyone tell me what I had to be careful with and how I can reinstall grub?

I might install a 2nd linux system on my HD. I was told that I would have to reinstall grub to make the 2 system appear after I turn on my laptop. I also have widows installed...so it might get a bit ...
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1answer
645 views

GRUB not working MBR broken

I have a laptop with Windows XP Professional SP3 on it, later on i dual-booted the machine with ubuntu 13.04. I used a program call AOMEI partition assistant for the partitioning. Windows 8.1 preview ...
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0answers
15 views

GRUB error on Ubuntu 13.04: 'invalid environment block' [duplicate]

After having problems with my H-P printer my Ubuntu 13.04 wont load. This is what I get: Grub - editenv!ERROR: invalid environment block
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1answer
2k views

Black screen of death after reboot during isntallation of Ubuntu 12.04 - x64 AMD and ATI Radeon HD 2400 XT

I have been cracking my head over this for two days now. My procedure is as follows: I run the live CD from a pendrive Choose to install Ubuntu turn the internet connection ON and OFF during ...
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1answer
65 views

runing ubuntu 12.04 [duplicate]

I installed Ubuntu 12.04 on my desktop, and Widows Vista already was installed on another partition. Now when I turn on the desktop it goes directly to windows. How could I make it ask which system ...
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1answer
88 views

GRUB error. Ubuntu not loading?

I have a dual boot system: Windows 7 and Ubuntu. I installed Ubuntu without CD or USB. After a while, I got a problem using Ubuntu. When I boot to Ubuntu, I get a black background with "grub>" in the ...
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1answer
2k views

Ubuntu missing from boot menu

I recently dual booted Windows 8 and Ubuntu 13.04, both UEFI. When I boot, I get directly to Windows 8, without any prompt or boot menu/grub menu. To access Ubuntu, I have to go to boot options by ...
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2answers
148 views

How to fresh install Win7 under grub boot loader?

I am new with Linux and my laptop has Ubuntu 12.10 and Win7/64bit. Grub boot loader makes me choose which to boot at startup. I want to clean re-install of Win7 without changing configuration of GRUB ...
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1answer
5k views

Grub-install dummy failed

While it is installing (any version of Ubuntu) it pops up with a message saying: grub-install dummy failed. This is a fatal error. I have Windows 8 already installed on my computer which is a HP ...
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1answer
1k views

How do I hide GRUB entries?

I recently followed this guide to dual-booting OEM Windows 8 and Ubuntu, and now I've got an awful GRUB menu full of redundant entries. All I want are two entries: one for Ubuntu, and one for Windows. ...
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1answer
568 views

Grub Rescue error Ubuntu 13.04 Dual Boot

i'm a newbie to Linux and had install Ubuntu 12.10 dual booted with Windows8. But the ubuntu several times showed some wierd kind of errors (which I've never heard of, like it got hanged and freezed). ...
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1answer
3k views

Cannot boot Windows 7 after installing Ubuntu 13.04

So I boot up my computer after installing Ubuntu 13.04. Grub correctly shows me all available boot options and I am able to boot to Ubuntu. However, when I try to boot into Windows 7, grub hangs at a ...
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1answer
5k views

GRUB installed on /dev/sda1, “no such partition” after image restoration

My partition setup is: [Win7] [Ubuntu] [extended [logical partition]] (in that exact order) The bootloader installed in the MBR is a non-standard one that allows you to chainload a secondary ...
0
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1answer
243 views

Dual booting ubuntu 12.04 and windowa 7 on different drives

I am trying to figure out how to get ubuntu and windows 7 to work in harmony. In essence I want to be able to choose which OS I want to boot. the 2 OS's are currently installed on different hard ...
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3answers
6k views

Repairing Grub - Separate Partition - Dual Boot Windows

I am attempting to repair grub on separate /boot partition without removing Windows Boot Loader. I installed Ubuntu 12.04 after Windows 8 on 250GB SSD drive. Grub installation failed during Ubuntu ...
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3answers
1k views

Can GRUB be scheduled? This means: changing default 'entry' (auto login) at defined periods of time automatically?

For example: 00:00:00 to 06:00:00 -> Slitaz 06:00:01 to 13:00:00 -> Ubuntu 13:00:01 to 19:00:00 -> Fedora 19:00:01 to 23:59:59 -> openSUSE Can grub change default 'entry' automatically? ...
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1answer
400 views

Restoring Ubuntu 12.04 to install state (or reinstalling without GRUB)

I've been having issues with graphics card drivers that have gotten so complicated that I eventually have to completely reinstall Ubuntu to resolve them. However, due to my UEFI setup, the Ubuntu ...
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0answers
828 views

question about dual boot surface pro with ubuntu

I'm not sure if I'm doing something wrong, after I install ubuntu using a usb as suggested through this post, the installation seems to be okay, but when i reboot, it just boot right back into ...
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1answer
1k views

Ubuntu 12.04.2 hangs during boot on a pink screen, console mode is blank

I've installed 12.04.2 on a OS-less Asus B85M-E (Intel Core i5-4430 [LGA1150]). When I boot, it freezes on a 'pink screen'. Alt-Ctrl-F1 has no output. i have already reinstalled once. I read in many ...
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1answer
66 views

Lost Grub menu after updates

I have 12.04 installed. I made some updates and restarted the computer. Now the GRUB menu only lists 9.04 and Windows 7. Can someone help me recover the original Grub menu that I need? Thanks.
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1answer
1k views

How to remove MBR and replace GRUB?

About 2 weeks ago on Friday, so exactly 2 weeks ago, I accidentally screwed up GRUB on Ubuntu 13.04(64-bit). I don't remember how, but I did. I tried fixing it on my own. Tried several boot repair ...
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0answers
2k views

How to enter single-user mode in Ubuntu 13.04 to install e4rat?

I've just upgraded to Ubuntu 13.04 on my HP dv6, and I've been going through the usual ritual of setting up Bumblebee etc. Since Jupiter is no longer supported, I followed the steps here to install ...
0
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1answer
244 views

Unable to install ubuntu 13.04 on HP p2-1334 desktop PC(preinstalled windows 8) - Blank screen/hang

Problem: [I get a text mode menu from GRUB that ask me if I want to install, After selecting to Install, the screen goes black-blank and lastly PC hangs, no more actions or noises] Steps I've done: ...
1
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1answer
633 views

error: no such partition (duplicate, but none of the others helped, unless I missed one)

Hi I have a Sony Vaio VPCEJ with Windows 7 as the primary OS. I installed Ubuntu, as dual boot, a year ago for school because I had a sudden interest in programming and thought it would be fun to ...
0
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1answer
292 views

grub rescue error

i have windows 8. i removed uefi settings(if i on uefi i cannot install ubuntu) and installed ubuntu(now if i want to use windows 8 i should on uefi).now by turning on uefi,went to window8,removed ...
0
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1answer
5k views

error: no such partition grub rescue> after deleting partition

For reasons that are not relevant I had two partitions of ubuntu studio on my computer, one 28Gb and the other ~900Gb. I was using only the 900Gb partition but sometimes I would accidentally boot to ...
2
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1answer
64 views

Problems replacing GRUB2

After Windows ate my GRUB2, I replaced it using the GUI boot-repair method posted here: https://help.ubuntu.com/community/Boot-Repair. I clicked the "recommended method" button and followed all the ...
0
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1answer
1k views

Grub2 BootLoader not loading

I previously had Ubuntu 12.04. Then I installed Windows on another partition. Since then, the BootLoader did not start showing up when booting, and Windows started up asking me to log in. Then I made ...
2
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1answer
193 views

Reboot ubuntu without a complete hardware reboot

I would like to reboot the OS as if it is pulled up from GRUB, but without actually rebooting the entire computer. This is because this machine has a bunch of different OSes on it and while a reboot ...
1
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1answer
587 views

Boot problem, Neither Ubuntu nor Windows boots

I bought a new laptop with Windows 8 pre-installed and I tried to make it dual boot like my windows vista laptop with Ubuntu. Turns out because of some boot sector changes its really complicated now! ...
0
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1answer
2k views

GRUB failed to install to the following devices error on upgrade

I'm upgrading an old laptop from 12.04 to 12.10, but during the process I'm getting some errors relating to the grub upgrade. After some Googling I found a suggestion to purge grub and reinstall the ...
0
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1answer
969 views

OS not found :( Ubuntu / Win 7/ Kali

I had two partitions with Win 7 and one partition with Kali Linux (Debian). Everything was working great but I got into Android Dev, specifically ROM dev and along the way I figured there was more ...
2
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2answers
6k views

Install grub from live CD

I have installed my Ubuntu onto a partition on the same drive where my windows is. I would like to install GRUB, but cannot access the Ubuntu installation as Windows starts instead. I am in the USB ...
0
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1answer
698 views

Grub won't let me boot my USB

I've installed Ubuntu 12.04 on my USB flash drive (Ext2, 400MB swap). The flash drive has 16GB of memory. I downloaded the live CD and I used it to install Ubuntu on my USB... Here comes the problem: ...
6
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2answers
9k views

How to get the GRUB using virtualbox?

I have ubuntu-12.04 on my virtualbox and I have two kernels in /boot (old and new). When I restart the vbox no grub appears to choose! and the result of cat /proc/cmdline still shows the old kernel is ...
0
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1answer
126 views

Grub Rescue help [duplicate]

I tried to delete an Ubuntu Partition and now I cant access either of my Operating Systems. I have tried Several different commands and none of them worked. I always got the unknown Filesystem error ...
0
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1answer
156 views

Dual boot stuck on Ubuntu [duplicate]

I recently dual booted my old Windows xp with Ubuntu 12 using the iso burned to a CD (wubi). The installation worked like a dream but after rebooting I found there was no way of getting back to XP. ...
0
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1answer
51 views

Which Windows 8 partition should I use?

I installed Ubuntu as a second operating system, and GRUB found two Windows 8 boot partitions (one of them is 350MB, which was reserved by Windows, and another where I installed Windows). Which of ...