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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Boot menu that worked with GRUB Legacy no longer works with grub2 [closed]

I used a USB with multiple ISOs and I have put them in the GRUB menu. When choosing them from the GRUB Legacy menu it worked perfectly, until the arrival of grub2. Now I do not get the same GRUB menu. ...
229
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32answers
250k views

How do I remove or hide old kernel versions to clean up the boot menu?

Every time I install a new Linux kernel, it gets left in the grub_config, making the boot menu longer each time. I know I can manually search through the installed packages and remove them. Does ...
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2answers
4k views

No GRUB Screen or recovery mode on Boot after 12.04 Upgrade

I tried the live boot CD and boot-repair, also loaded the Desktop install CD, and it looks like all partitions check out OK. However, when I try to boot Linux (the only bootable partition on the ...
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0answers
44 views

How do I make grub recognize Windows 7?

The dump from boot-repair: http://paste.ubuntu.com/9769234/ What's wrong here? update-grub doesn't find Windows, neither does os-prober and a manually added entry for it fails as well (it says ...
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0answers
12 views

Help with dual boot on toshiba satellite [duplicate]

staff. I'd like to make dual boot with Ubuntu on the Toshiba Satellite, where is just installed Win 8.1. On that computer, there is EFI and UEFI system, so i ask you if somebody can give me ...
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1answer
181 views

I screwed up a dual boot (Windows 7 + Ubuntu 14.04.1) so bad that no OS will load and I had to buy Windows again [duplicate]

So heres what happened: I had Windows 7, partitioned so that 64GB of unallocated space would be used to install Ubuntu side by side Windows 7. My live CD booted up and gave me the error message: Could ...
3
votes
3answers
4k views

Multi-partition multi OS bootable USB

I want to create a recovery flash drive. I have my 8 gb flash drive[Kingston data traveller] with me. I also have the required .iso files for a>Ubuntu 13.10 b>Boot-repair disk c>AVG Rescue CD I Wish ...
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2answers
57 views

can't install ubuntu along with windows 8.1

respected person I have an laptop hp pavilion g6-2312 ax,runs windows 8.1(uefi boot loader) actually wanted to install ubuntu along with windows 8.1 and came to know that ubuntu runs on mbr and don't ...
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3answers
32 views

Lost Ubuntu 14.04 after Windows 8.1 install at 2nd partition

Greetings to everybody, not sure if anyone had the same issue previously, but could not find any similar (or i wasnt that patient to search :) and in that matter i apologize if am making duplicate ...
3
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6answers
3k views

Ubuntu 12.04 LTS on pendrive

I've got a problem with installing Ubuntu on Pendrive. Steps I made: Downloaded ISO from Ubuntu site. Burn it on DVD. Run PC from the DVD (pendrive is plugged in). Followed instruction on the ...
0
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1answer
60 views

Ubuntu 14.04 windows 7 dual boot problem

Initially, I have installed windows 7 Ultimate on my lenovo laptop. Later, I did install Ubuntu 14.04. It shows the dual boot option when booting. But if I select the Windows loader option then it ...
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2answers
5k views

GRUB EFI loader cannot find its config file in /boot

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 ...
6
votes
3answers
3k views

How to migrate an encrypted LVM install to a new disk

I have a somewhat customised laptop install I want to move to a SSD directly, without having to reinstall Ubuntu, reinstall all the apps and make all the other changes again. The SSD is smaller, so I ...
1
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2answers
250 views

Bay Trail Z3740 and Ubuntu issues, any help?

I am having trouble to run Ubuntu on my LG SlidePad 2 with Z3740 processor. The problem is that I can't find a way to boot the pendrive on it. I can get into the BIOS/UEFI but there is no way I can ...
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1answer
3k views

Problems booting Ubuntu, “gave up waiting for root device”

I had very odd things happen after I decided to upgrade my Ubuntu 12.04 installation to the newer 13.10. I decided to upgrade version by version to avoid losing my configuration. The upgrade from ...
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0answers
10 views

Multiooting in Secureboot mode - vmlinuz invalid signature [migrated]

My system has Windows 8.1 installed by default. I installed LinuxMint and openSUSE later. The problem is if I use openSUSE bootloader, it is able to load windows but not linuxmint. The error vmlinuz ...
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1answer
64 views

Strange error while reinstalling 12.04

So I'm trying to install Ubuntu 12.04 (64-bit) to an external HDD. I select where I want the swap area, the boot loader, etc (the "something else" option). That all works fine, then I click "Install ...
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2answers
49 views

having different operating systems on ubuntu [duplicate]

I have seen this computer where when the computer boots up, the grub screen lets him choose operating systems. as the four ubuntu choices like ubuntu recovery and stuff are still there, there is a ...
1
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1answer
3k views

How to use GRUB as default bootloader while dual booting Win7+ubuntu

I installed windows 7 first and then Ubuntu, booted back into windows and used EasyBCD to use the Windows 7 bootloader for dual booting. So when the system is rebooted Windows bootloader comes up ...
2
votes
2answers
2k views

GRUB not responding to keyboard

I installed Ubuntu 12.4LTS on dual boot with Windows XP on my 7 year old desktop PC 2 months ago. Everything worked perfectly in both Ubuntu and XP until last week when I removed LibreOffice from ...
9
votes
4answers
18k views

Installing Ubuntu 12.04 without installing Grub

Using the Ubuntu 12.04 Live CD, is possible not to install Grub? In previous versions, there was a checkbox called something like "skip grub installation", now in 12.04 this checkbox isn't there any ...
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1answer
50 views

Ubuntu didn't install boot menu!

I installed Ubuntu on a netbook from a usb flash drive but after the restart there is no grub menu and just Windows starts. How to add the boot menu for ubuntu? The netbook doesn't have a cd but I can ...
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1answer
63 views

Uninstall ubuntu on windows 8.1 [duplicate]

I installed Ubuntu (14.04) on my Windows 8.1 (4 Go RAM, 64 bits) by means of a bootable USB. After having partitioned the HDD, the installation was successful. However, I had an issue to boot into ...
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1answer
136 views

Is it still possible to install Ubuntu to an external harddrive with UEFI?

It looks like installing Ubuntu to an external harddrive isn't possible with UEFI, where as with MBR there wasn't a big difference between external and internal. Is that true or is it still possible? ...
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1answer
84 views

Fix grub with dual boot on different drives

I have windows 7 installed on C drive and Ubuntu 14.04 on another one. When I boot I got into grub rescue. Luckily I've found the solution ( somewhere on stackoverflow) to "mount" drive manually by ...
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0answers
25 views

Unable to decrypt disk on normal Lubuntu boot

I'm having trouble starting up my system. I use VirtualBox to run Lubuntu 14.10 on Mac OS X 10.10.1 host. I have used the built-in disk encryption available when installing (L)Ubuntu. When it boots ...
0
votes
1answer
35 views

How to remove Grub from Surface Pro MBR?

I have tried fixboot and fixmbr, both say "the operation completed sucessfully" however whenever I boot the surface, the logo flashes and than I am directed to grub's command prompt and the only way ...
0
votes
1answer
25 views

Ubuntu installation not found by update-grub

This is a different case than the other questions about this topic, none of which helped solve this one. I have two disks (I'll call them disk 1 and disk 2), each with its own GRUB. Both disks boot ...
0
votes
2answers
4k views

Windows 7 is not shown in GRUB menu after 13.04 install

I installed Ubuntu 13.04 on a secondary hard drive, which has succeeded. But there is no GRUB entry for Windows 7 as an option. Boot-Repair and update-grub did not appear to help. ...
0
votes
1answer
43 views

Laptop doesn't boot, fails loading the GRUB bootloader!

I-m facing a very annoiyng issue with my laptop that has a dual boot system with Windows 7 and Ubuntu 12.04. Since I don't know why the GRUB bootloader stopped to work and the laptop can't load. I'm ...
0
votes
2answers
82 views

Removing grub from laptop

Is it possible to remove grub by doing a windows 8 refresh Wondering if this would work as I'm doing this on a friend's system. Dont want to mess up anything. He doesn't have a CD to fix the MBR so I ...
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4answers
3k views

Grub or Windows Bootloader for Dual Boot?

I've used Ubuntu using WUBI for a couple of months and decided that this was not what I wanted and that Ubuntu should have its own partition. I have it set up like that now. My dilemma deals with ...
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1answer
39 views

grub-customizer

I have always been a windows user. Thought I would try kubuntu to see how I liked it. I would like to make windows my default, so I downloaded grub-customizer to reset the boot. I really do not ...
0
votes
1answer
231 views

Ubuntu refuses to boot with acpi_backlight=vendor

I bought a Dell Inspiron 14 5000 series and dual booted Windows 8.1 and Ubuntu GNOME 14.04. The brightness would not change, so I booted with kernel parameter acpi_backlight=vendor and it worked. I ...
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3answers
44 views

Upgraded Ubuntu… now only have Windows

I've had Ubuntu 12.04 for about a year now, resisted upgrading because everything works fine. Finally I gave in because I noticed many Windows applications on Wine just aren't working anymore. I ...
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0answers
21 views

Could not initialize sdl no available video device

Hi I booted to tty1 by changing the grub from splash to text. I have a GUI program to run at startup but when i login i am getting could not initialize sdl no available video device. But when i put ...
0
votes
2answers
22 views

Bootup (100 times slower than usual) drops to a shell IF at boot time the computer was off for less than 5 minutes. USB mouse no longer recognized

I've been using Ubuntu on a Windows dual-boot Sony Vaio VGN-CS390 laptop for more than five years now. Yesterday I made a fresh install of 14.04 LTS over 12.04 LTS. Everything worked fine, even after ...
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votes
0answers
50 views

Ubuntu14.04 Installer Crashes

I have been trying desperately to install one of the linux distros but I'm not having luck. Usually, the reason is GRUB not installing. Now, I'm not a linux guy and I rely on help from others. One of ...
1
vote
1answer
10k views

Add android-x86-4.4-RC2 to ubuntu grub

I installed android-x86-4.4-RC2 with windows xp and windows 7, after I installed ubuntu 14.04. Now android-x86-4.4-RC2 is not showing up in grub. What should I do to fix this? Thank you! Edited: I ...
3
votes
3answers
3k views

Booting Android with GRUB, but how?

I have a small problem. I have seven partitions: Device Boot Begin End Blocks Id System /dev/sda1 * 206848 219013119 109403136 7 HPFS/NTFS/exFAT <-- ...
0
votes
0answers
45 views

Dual boot Windows will not load after installing wireless driver

On a new machine, I partitioned the hard drive equally, and installed Windows 8.1 on one partition, and Ubuntu 14.04 on the other. Both OS's booted successfully from grub. Now, my wireless adapter is ...
0
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0answers
31 views

Bad kernels upgrade, and it is impossible to delete them

I have a huge problem on my Ubuntu 14.04. It runs an 13.3.0-39 kernel. A while ago I wanted to update the kernel via Synaptic to 13.3.0-40 and 13.3.0-43. Unfortunately, the kernel upgrade did not ...
0
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0answers
23 views

After upgrading to Ubuntu 14.04 my windows partition is having an invalid signature

I had a dual boot computer with windows 7 and ubuntu 12.04. I had grub with the option to jump into windows 7 at any time. Now today I was in Ubuntu and I decided to upgrade to ubuntu 14.04. After ...
0
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2answers
37 views

dual-booting now have 2 grub-menu's

I have a Dell Inspirion laptop stock with Windows 8.1, I have added Ubuntu 14.04. Ubuntu install went perfect, rebooted came to the regualar, grub2 menu, (I say regular because it's the same one I've ...
0
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1answer
54 views

Xen vm stuck at grub prompt

How can I get my Ubuntu server booting again? Is there a tool that would auto-fix this situation? No matter how many ways I run the "boot fixer" using a virtual image of ...
2
votes
1answer
612 views

GNU GRUB, Minimal BASH-like line editing screen displays before the usual GRUB screen when dual-booting Ubuntu 14 and Windows 8.1

I have read a couple of posts similar to this issue, but it seems many of them could not boot to Ubuntu after getting this screen due to a bad boot manager. It does not seem this is the case for this ...
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0answers
40 views

How can I chainload Fedora GRUB from Ubuntu GRUB?

I have a laptop with an UEFI setup, and I have the following OSs installed: Windows 8 Fedora 21 Ubuntu 14.10 Secure Boot is turned on! Booting all these from the UEFI boot menu works fine. I am ...
0
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1answer
78 views

error: failure reading sector 0x7c3c00 from “hd0”

After using Boot Repair (recommended options) from an Ubuntu 14.10 Live System (USB) grub fails with the following error: error: failure reading sector 0x7c3c00 from "hd0". Entering rescue mode... ...
0
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0answers
15 views

Ubuntu boots to grub [duplicate]

I've been trying to install a dual boot with windows 8.1 and Ubuntu 14.04.1 but whenever i try to boot my computer to Ubuntu via live USB it leads to the GRUB2 command prompt. I was wondering how I ...
0
votes
1answer
40 views

Can't boot after editing/etc/init.d/rc

I followed the instructions of a website that told me to change currency=none to currency=shell in /etc/init.d/rc and now my laptop stay in splash screen.