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 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 ...
-1
votes
1answer
10 views

How to fix Grub Error: Filesystem Unknown?

Techinical Portion: Brand of Computer: Acer Model: ASPIRE 7551-3464 OS: Windows 7 Home Premium, Kali Linux Alright, so this is what's been happening lately. I've taken the liberty of installing ...
0
votes
2answers
10 views

Remove Grub menu after Dual Booting

I had dual booted my Acer Aspire V with Ubuntu 14 recently to try it out. I followed guides online on how to remove it from my computer. First I deleted the Ubuntu partitions then used a flash drive ...
0
votes
0answers
9 views

Select default kernel to boot from “Advanced Options”

GRUB 2.02 I have advanced options entry in grub menu. How can i select the default kernel to boot if it is in advanced options menu?
0
votes
0answers
20 views

Grub install failed --now what?

Fyi: This is my first Linux installation. I have a hp 2000 windows 8 laptop and attempted to install Ubuntu 14.04 64 via a USB stick. All was going very well, but then grub installation failed. I ...
0
votes
1answer
28 views

GRUB not showing Windows 8.1 and Ubuntu 14.04.2 after Ubuntu 14.10 installation

I have Windows 8.1, Ubuntu 14.04.2 and Ubuntu 14.10 on my machine. After installing the last, the GRUB is not showing the first two Operation Systems. I have try to fix this using Boot Repair but the ...
0
votes
0answers
14 views

Question about moving Ubuntu partition guide step 6: grub-install -d

I've been following https://help.ubuntu.com/community/MovingLinuxPartition and I have a question about step 6. It tells me to run sudo grub-install -d /media/<new partition ...
0
votes
1answer
15 views

problem dual-booting Windows with EFI and 2 hard disks

I've searched everywhere for answers to the problems I'm having, and can't find a solution. I hope someone here can help. I have a Thinkpad T420 with two hard disks. The first hard disk is internal ...
1
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0answers
39 views

Windows 7 screen not displayed after installing Ubuntu

I bought a new laptop with DOS and I wanted to make it dual boot (Ubuntu 14.04 and Windows 7, both 64 bit). I took the following steps to install both systems: Installed Windows 7 OS Windows 7 ...
0
votes
4answers
44 views

I deleted ubuntu and now GRUB doesn't boot into windows anymore

I am aware that if you just delete ubuntu, your pc isn't going to work anymore. I followed this guide on how to repair the MBR but it won't work so now I'm doomed. it said to do: -bootrec /fixmbr ...
1
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0answers
9 views

Boot-Repair cancel itself

Here is my boot info: http://paste.ubuntu.com/10844469 When trying to boot I get Grub Loading Stage 1.5 wait.. Error 22 My workstation has dual boot Vista (sic!) and Ubuntu at least 14 I booted ...
0
votes
0answers
8 views

ata2: link is slow to respond

I bought a new SSD and reviously an installation of Ubuntu 14.04.2 was working on this SSD but it was connected to laptop via USB 3.0 port. Now it is directly on a SATA connection (installed it on my ...
0
votes
0answers
31 views

How to install ubuntu mate 14.04

I have installed ubuntu 14.04 in two partitions but I now want to remove one partition and replace it with ubuntu mate 14.04. But I dont know how to do that. Please help. Also I have some doubt over ...
3
votes
0answers
27 views

How to boot Ubuntu in complete darkness?

Is there a way to load Ubuntu without the splash screen or verbose mode? That means no visual queues or code reporting. Is this possible? Known settings in the grub loader: Verbose Mode ...
0
votes
1answer
20 views

Awful beep on boot after installing Ubuntu in a Macbook

I formated the entire hard drive and installed Ubuntu 14.04 in a Macbook 5.2. Ubuntu boots decently fast, however there is a disconcerning garbled image on screen: After that Ubuntu runs fairly ...
0
votes
1answer
72 views

Booting from USB and I have to pull out thumb drive and put it back in at startup

I have been booting from USB for awhile, and every time I reboot or start after a shutdown, the startup scripts (grub?) get stuck. It seems that the USB drive is unmounted at some point in the ...
0
votes
1answer
33 views

Dual boot: several Windows 7 loading entries in GRUB2 - should I delete any?

The system is Acer Extensa 2510G, and there's only one HDD. This is how the GRUB2 menu looks: Output of sudo update-grub2: The scripts themselves: Windows UEFI bootmgfw.efi: search --fs-uuid ...
1
vote
3answers
80 views

Dual booting Ubuntu 14.04 and Windows 8.1

Yet another question on this topic. Sorry. I've bought a new HP Pavilion 15-p239sa with Windows 8.1 installed, and I'm trying to dual boot Ubuntu 14.04. The problem is that after installation of ...
0
votes
1answer
29 views

u410 SSD BIOS Problems

I am all out of idea, can someone help a newb? I have successfully installed Ubuntu 14.04 on a Lenovo u410 with UEFI on, secure boot on and with optimus enabled but with several issues at hand. I ...
3
votes
1answer
2k views

Simple way to rename GRUB2 entries

I have many different Ubuntu versions installed on my HD. I'd like to rename some of their entries in GRUB2 boot menu. I have tried two approaches. 1) Like mentioned in ...
3
votes
1answer
29 views

Ubuntu grub customization through terminal ?

I was just wondering what would be the equivalent of bcdedit(windows) in Ubuntu as I am having some problems to resume system after hibernation in Ubuntu 14.10. I am currently using boot-repair ...
0
votes
0answers
11 views

Dual Boot | TRY (hd0,0)! EXT2

I am trying to Dual-boot my HP Pavilion G7 with Windows 7(or 8.1) and Ubuntu (installed first). However each time I go through the process I end up with nothing but a broken Ubuntu boot and a working ...
1
vote
2answers
26 views

No operating system found Ubuntu 14.04 Dual Boot

So my laptop is dual booted with Windows 10 and Ubuntu 14.04 on a 240GB SSD (aftermarket). It has worked fine for months. I never use the Windows partition unless I have to, and haven't used it for ...
0
votes
0answers
13 views

XUbuntu 14.04 with btrfs on SSD

I have a PC with two hard drives: SDD and HDD. On SSD I've installed Xubuntu to BTRFS partition , also I have BTRFS on second drive. The issue is that during boot I'm waiting for a long time (I guess ...
0
votes
1answer
14 views

Ubuntu 14.10 wants to install along windows 8 i don't have windows 8 i have 7

Like the title says. I boot from USB and it shows to install alongside of windows 8 the problem is I don't have windows 8 i have windows 7 Why is it telling me I have windows 8 install i only have ...
1
vote
2answers
4k views

How do I get Grub2 to boot a Truecrypt-encrypted MBR?

Given the following system: /dev/sda1 Windows, encrypted using TrueCrypt /dev/sda2 /boot /dev/sda3 /, encrypted (LUKS or how it is called) I now need GRUB2 to boot my truecrypt mbr ): Any hint on ...
1
vote
1answer
37 views

Unable to shutdown, restart or logout

I am unable to shutdown, restart or logout from my ubuntu 14.04 machine. The screen goes blank, but the system hangs, then the fan begins to run fast. I have to turnoff the laptop by pressing and ...
1
vote
2answers
56 views

Grub loader always takes 10 seconds

The default grub loader is always runing 10 second countdown before launching Ubuntu 14.04. This is how it looks in etc/default/grub: GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 ...
0
votes
0answers
13 views

Dual boot RHEL 7 with ubuntu 14.10 installed

I have an old machine with processor Intel(R) Pentium(R) CPU B970 @ 2.30GHz with 64 OS support but does not supports VT and I am doing my RHCE certification in RHEL7 and I want to dual boot my ubuntu ...
0
votes
0answers
30 views

Windows to Linux || /boot/grub/i386-pc/normal.mod not found

I am a computer science major and I have been a Windows user since I was a toddler. However after doing a little research on Linux I was intrigued enough by its power and customization to give it a ...
0
votes
1answer
28 views

Grub unaccessible after windows 10 and ubuntu 14 install

I would like to be able to dual boot on windows 10 and Ubuntu 14. First, I tried to install windows 10 after Ubuntu 14. I was not able to dual boot after that. I know that this is not the best way in ...
0
votes
2answers
15 views

Why is my flashcache device /dev/mapper not appearing for the root partition cache? [on hold]

I successfully set up a flashcache for a data partition and am now struggeling with the setup for the root partition. I followed the DKMS README and can either boot into initramfs shell where I can ...
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votes
1answer
21 views

What is the grub configuration file? [on hold]

I am new to Linux and I don't know what the grub configuration file is? Can anybody explain it to me?
0
votes
1answer
23 views

Not able to boot to already installed Windows and Ubuntu in Hard drive

I am facing problems with OS booting of my laptop. I had a dual boot Ubuntu 14.04 alongside windows 8.1. I generally work in Ubuntu and one day when I started my system Ubuntu wasn't booting up. It ...
0
votes
2answers
30 views

Grub dont shows after windows 8.1 update [duplicate]

I had ubuntu 14.04.2 LTS installed in dual boot with windows 8 with grub2 as boot manager. The problem arose when the updated windows 8 for windows 8.1, now grub is no longer displayed when starting ...
4
votes
3answers
14k views

System no longer boots, gave up waiting for root device, (initramfs), /dev/mapper/gnome-root does not exist

After installing an update, my system no longer boots. I have full disk encryption (the one the installer sets up for you) enabled so it usually asks for the key only seconds after booting past GRUB. ...
0
votes
1answer
20 views

Why does the screen go dead until I press escape every time I boot up?

I have Ubuntu Studio 14.04, it is the only operating system on my machine. Every time I boot up, the BIOS loads, and then the screen goes dead and will stay that way unless I press ESC, in which case ...
0
votes
0answers
7 views

Booting Problem after removing old kernels and having run boot repair

Having cleared old kernels, I am unable to boot into Ubuntu 14.04. After a suggestion here, I ran boot repair, which came up with the following URL http://paste.ubuntu.com/10816487. Could someone ...
2
votes
2answers
27 views

How can I make Ubuntu not mount efi partition by default at startup?

I've a Asus laptop with windows 8.1 pre-installed, I've managed to install Ubuntu alongside it, and for some days it worked fine. Today, out-of-the-blue, Ubuntu just goes black screen and I'm back at ...
0
votes
0answers
6 views

How to disable graphics card

Is it possible to disable one of my two graphics card as a grub parameter? And is it possible to disable both graphics cards?
21
votes
3answers
58k views

Failed to get canonical path of /cow

I am trying to install Ubuntu 12.10 for quite some time, and passing hurdles one by one. Now I am in a situation as follows. I have got a PC and 10 GB HDD which will be totally dedicated to Ubuntu so ...
4
votes
3answers
8k views

Unable to load Ubuntu after installing Windows

I had Ubuntu 11.10 installed, I installed Windows 7 on another partition but now on booting I cant see dual boot options and Windows 7 is loaded. How can I run Ubuntu now?
0
votes
1answer
29 views

How to make grub2 recognize other Ubuntu installations again?

Until 13.10 and the grub2 version used there (version number is 2.02~beta2-... since years/multiple Ubuntu releases) parallel Ubuntu installations on other partitions (both with and without separate ...
0
votes
1answer
18 views

ubuntu14.04 can not enter ubuntu when i choose 'ubuntu' in grub2 menu

I installed Ubuntu 14.04 in hard disk. then after I did update-grub sudo grub-install /dev/sda sudo update-grub After restarting Ubuntu 14.04, grub menu loaded with ubuntu,ubuntu advance,system ...
1
vote
3answers
4k views

Black screen when trying to install ubuntu 13.10

I am in need of some help. It has been 2 weeks since I bought my first ever windows laptop with the aim of replacing windows but I have been unsuccessful. The hardware is as follows : Asus 15' F550D ...
0
votes
0answers
24 views

Ubuntu installed alongside W8, W8 wont boot anymore, live usb isnt recognized

I think I might be screwed. I normally run preinstalled windows 8.1 on my Lenovo IdeaPad P400 touch, and I decided to try out dual booting Ubuntu 14.04, having never used Linux before. I edited the ...
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vote
0answers
924 views

“Problem booting GPT Grub2 on a BIOS based System” How to resolve?

I have an Intel D945GCCR Board with a 2GB Ram having discontinued support.Similarly I have an 500GB HDD with triple boot Windows XP, Windows 8 & Ubuntu 12.04. Well the other day I came across the ...
0
votes
0answers
12 views

Grub 2 Running Two Resolutions

I have two monitors, with different resolutions, that I use interchangeably. One through the VGA interface, and the other through HDMI. e.g. When plugged into a VGA monitor it outputs 1366 × 768 and ...
1
vote
4answers
222 views

Replacing WIndows 8.1 within Ubuntu 14.04 LTS

I am in the process of wiping my Windows 8.1 install and replace it with Ubuntu 14.04 LTS, but have the following queries pls, prior to doing anything: 1) Will I be able to install Ubuntu 14.04 LTS ...
1
vote
1answer
13 views

How to install Ubuntu from a network / How to boot a system from a network using grub?

Can Ubuntu be installed on a system which doesn't have any working DVD drive or USB port but it has ethernet port? openSuSE can be installed from network using grub. See this ...