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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win8 and Ubuntu 12.4 Both OS are deleted from hard disk [on hold]

I have windows 8 in my PC and I install Ubuntu 12.4. unfortunately I delete both OS from my PC now when I want to install Ubuntu 12.4 it shows no drive partition on my hard drive but in Live-CD i can ...
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17 views

How to recover /boot overwritten by identical /boot?

I spent 6 hours on this and I've given up. I am not finding a method to recovering a /boot partition that was overwritten by an identical /boot partition. This isn't your regular average grub ...
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1answer
32 views

Error Booting Ubuntu / Windows 7 on Laptop

I tried a lot of guides and walkthrough I found on the net, but my problem still persist: I installed the UBUNTU 14.04 LTS release, and installed side by side my Windows Installation. When I finish ...
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3 views

Restoring a VM to LV, GRUB disk not found

This is what my setup looks like: ubuntu 14.04 running KVM with libvirt has a HW-Raid it's running from (/dev/sda) and another HW-RAID (/dev/sdb) that is the PV to a LVM VG called "datavg" with ...
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9 views

Kernel messages scrolling over Grub background image during boot?

I display a Grub custom background image at boot time(Ubuntu 14.10). I would like this background image to stay in place during the kernel startup and to scroll the kernel messages over the Grub ...
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1answer
17 views

no boot disk has been detected ubuntu 14.04

I installed Ubuntu 14.04 4 times already and tried to fix GRUB, but it always says that no boot disk has been detected. I need help if anyone can tell me something to fix that it will by great.
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1answer
17 views

how to hide windows when booting in grub?

I have installed ubuntu on my computer with dual boot windows and ubuntu, due to several reason I want to hide the windows selection in grub for a temporary time, but i can restore it again when i ...
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39 views

Black screen when booting normally

My system Laptop: Acer aspire 8930G OS: Freshly installed Ubuntu 14.10 (64 bit) Memory: 4 GB Processor: Intel Core 2 Duo CPU T9400 @ 2.53 GHz x 2 Graphics: Nvidia GeForce 9700M GT / pre-installed ...
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1answer
54 views

Re-installing Ubuntu while mainting dual-boot with Windows?

I am kinda new to ubuntu and the whole linux field, and have some concerns. First, I currently have Linux Mint 17 dual booting with Win8.1 via grub 2, my question is how to remove linux mint and ...
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2answers
46 views

Interrupted upgrade, now boot loop, restarts before Grub

Laptop battery ran out of power while upgrading to 14.10. I connected it and powered it up as usual, but forgot about resuming the upgrade. Then I put it to hibernate, and since then it's stuck in a ...
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12 views

Dual Boot Ubuntu failed after upgrading to yosemite

After upgrading to Yosemite, I cannot boot into Ubuntu: it goes to a black screen. GRUB appears in the upper left corner and Flashes "_" . I am using refind . Can anyone help?
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1answer
31 views

Error in booting through USB having full install (not live USB)

I am new to Ubuntu and really loved the experience of working on it through the live USB. However the limit of 4GB on the persistence file is something which I wanted to get away from (Tried the ...
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1answer
50 views

Dual boot for Ubuntu 14.04 LTS and Windows 8.1

I have Windows 8.1 Lenovo S510P laptop on which I installed Ubuntu 14.04 LTS. But not able do boot repair, [or] edit grub; so when I power on laptop I should get option to go Windows or Ubuntu. ...
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0answers
14 views

upgrade from 12.04 to 14.04 server edition

I have upgraded 12.04 to 14.04 but when i booted it up something is wrong with grub! Please help me fix this, I need a solution badly...
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0answers
7 views

Unknown filesystem, grub rescue after installing Windows 8

I recently tried Ubuntu and installed over my old Windows 7 partition. There was a host of problems here but I eventually solved them and managed to boot into Ubuntu, but the issues continued with ...
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0answers
9 views

Mythbuntu / XBMCbuntu installer does not recognise installed operating systems

I have a system with 13 partitions, running 2 installs of windows 7 and a few installs of Ubuntu 14.04. Grub is the bootloader, and all is working well. I often install a fresh Ubuntu to partitions 10 ...
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0answers
43 views

I can not install Ubuntu 14.10, GNU GRUB error

I downloaded Ubuntu 14.10 and used Universal-USB-Installer-1.9.5.8 in order to install ubuntu using a pendrive. When I restart my pc and choose ,from the boot menu, the usb it shows a black screen ...
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2answers
30 views

How do I replace the default GRUB bootloader?

I have 2 distributions in my PC. Ubuntu and Linux Mint. Linux Mint was installed second, but I work mostly in Ubuntu.  Whenever I install new kernel in my ubuntu, I have to run update-grub from ...
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1answer
44 views

Step by step instructions on how to remove grub2 or mount the EFI partition and delete files (UEFI)

everyone very sorry if this is a duplicate question however I cannot seem to get the instructions on other questions to work. I have been trying to uninstall grub and Ubuntu. I have looked at a lot of ...
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0answers
12 views

edit Grub bootloader both

I've had some boot problems after installing Ubuntu 14.04 to my new SSD (sdb1) adding Windows 10 technical preview afterwards (sdb3) and leaving my old Windows XP on my hdd (sda1), but now everything ...
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0answers
12 views

Can't update grub on persistent live USB

I'm trying to update grub on my live usb and I get the following error: ubuntu@ubuntu:~$ sudo update-grub /usr/sbin/grub-probe: error: failed to get canonical path of `/cow'. Any ideas? Nothing I ...
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0answers
30 views

unable to boot in windows 8.1 after installing ubuntu 14.04.1 and using boot repair

i installed ubuntu 14.04.1 alongside windows 8.1. After installation ubuntu was not able to boot, so i used boot-repair option for ubuntu. But after that i am not able to boot windows 8.1. it is not ...
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0answers
23 views

Dual booting android-x86 and ubuntu

I came across this post and I tried this with no Luck. I have a sony vaio laptop i am testing this on with android-4.4-RC2 build. I have used the grub customiser to edit the menu entry and this is my ...
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14 views

Ubuntu 14.04 LTE boots with blank screen

Ubuntu 14.04 was working perfectly on my university laptop Hp Probook 440G2 until I filled the drive fully.It gave me a warning that only 529mb is available.Then I tried to install Vlc media player ...
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1answer
12 views

Windows 8 shows up twice in Grub menu

I have a dual-boot installation with Ubuntu 14.04 and Windows 8. I recently came across grub error and had to use boot-repair-disk. Now after fixing the system, Windows 8 appears to twice on sda1 and ...
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36 views

Add boot entry for Windows 10 Technical Preview on USB flash drive to GRUB2

I downloaded Windows 10 Technical Preview. I used Command Prompt with administrator privilege to execute the following command in order to install it on my 16 GB USB flash drive: Dism /apply-image ...
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0answers
37 views

grub2: system restart after menu (nvidia, crypt)

I got a ThinkPad T410i and I installed Ubuntu 14.04.1. Grub is showing up but if I select any Ubuntu boot option the system does a reboot. My first search brought up to add nomodeset because of the ...
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0answers
18 views

GRUB with Windows 8 or 8.1?

Is there any way to boot a Windows 8.1 64-bit install media with GRUB installed over Windows Boot Manager? I need windows, but want to keep Ubuntu still.
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1answer
31 views

Ubuntu black screen after install!

Here goes my problem: I've just finished installing ubuntu onto a computer who, has 1 SATA DVD-RW device and 1 IDE HDD on slave, just after installation finished grub trows me an error like this: ...
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0answers
17 views

I have Windows 7 installed along side ubuntu. Windows 7 hibernated and now won't boot

I didn't have any problems with it until today when windows 7 went into hibernate due to low battery. Windows 7 is still displayed as an option in grub, but when I select it, my computer restarts. Can ...
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0answers
17 views

Ubuntu stuck on booting

Ubuntu stuck at booting showing only the logo.. When I press Esc, the boot seems to be stuck at : Stopping samba auto-reload integration.. How can I fix this problem?
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0answers
7 views

grub rescue> with partition error

i had dual boot that is ubuntu and win7 in my pc ..but unkonwingly using the mini partition tool i have deleted the partition of ubuntu and created a new partition for windows7 ,which is a partition ...
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2answers
46 views

Does “Erase Disk and Install Ubuntu” replace the default boot screen?

I am new here. And I may replace a laptop's hard disk with Ubuntu. It's an HP Compaq notebook which has Windows 7 installed. So If I choose that install option, will it replace the screen that says ...
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0answers
40 views

How to boot into Ubuntu without losing Windows 8.1 hibernated session?

I have a dual-boot system with Windows 8.1 and Ubuntu GNOME 14.10 on a laptop. I use Windows mostly at work and thus I prefer to hibernate rather than shutting down and load from scratch everyday, so ...
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0answers
893 views

Searching for a prettier boot loader for my UEFI system [on hold]

I've currently got UEFI Ubuntu 14 and Windows 8.1 working together with GRUB 2. However, I hate the way it looks, especially when compared to something like this: ...
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2answers
85 views

Boot fail after update kernel in ubuntu 14.04

When I want to install with this command sudo dpkg -i linux-image-3.14.24-031424-generic_3.14.24-031424.201411141736_amd64.deb I got follow error: grub-probe: error: unknown filesystem. run-parts: ...
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0answers
24 views

Elementary OS (based on Ubuntu) dual boot Windows 8.1, can't see bootloader [closed]

I've been trying to get a dual-boot working on my ASUS laptop with Windows 8.1 already installed. To get this working, I've divided my SSD into two partitions: 1 for Windows (the one I shrinked) and 1 ...
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0answers
33 views

Dual Booted Kali Linux with Windows 8 and now Windows 8 Will Not Launch [closed]

I dual booted windows 8 with kali linux. Now windows won't start. Please help Boot Info Script 0.61 [1 April 2012] ============================= Boot Info Summary: ...
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1answer
17 views

Error unknown file system grub rescue mode due to partitioning of my hard disk in win8 other istalled os is ubuntu

I install two widows When I partion my disk on win8.1 The system.enters to unknown filesystem grub rescue mode How to fix it I hv lots important files in my win8 I just try commonds like Grub>set ...
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0answers
32 views

Problems in dual-boot of Ubuntu and Windows 7

I have a dual-boot system with GRUB2 from Ubuntu 14.04.1 LTS 64-bit installed in the MBR. When I try to boot Windows 7 it fails sometimes and I have to restart the computer and try again. Furthermore, ...
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0answers
23 views

Live CD and install for 14.04 LTS fails with 256GB of RAM [closed]

Memcheck86 sees the full 256G of RAM, but the live CD fails to load unless we set mem=128G, which appears to work fine. We tried updating GRUB to remove that limit, or increase the value for mem, ...
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0answers
40 views

Problems dualbooting Ubuntu and windows

i wish to dual boot ubuntu 14.04 with windows 10 technical preview and i get this error when installing ubuntu ==>>/dev/sda contains GPT signatures, indicating that it has a GPT table. However, it ...
0
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1answer
22 views

Multiboot ubuntu, Elementary, Windows, joint swap or sparate ones?

I've been using Ubuntu for a long time with dual boot alongside windows 7, and used EasyBCD software to create Linux entry in the MBR, now I want to install Elementary without damaging either Ubuntu ...
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votes
1answer
53 views

how to permanantly change boot order in UEFI os manger list?

how to change the boot order in a UEFI-based dual windows/ubuntu install , usually UEFI system boots directly to windows (I experienced this with HP 15) although i made a lot of changes to make it ...
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1answer
16 views

Kubuntu 12.04 LTS only boots after crash

I am having troubles with my Kubuntu 12.04 LTS installation: If system has shutdown properly before I start the computer, the boot process crashes after the bootloader. The last output of the boot ...
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1answer
32 views

Installed ubuntu into a data partition and lost about 44 gb important data. Anyway to recover?

So here is a summary of what I have been doing today. Dual booted a laptop (windows 7 64 bit home & ubuntu 14.04); diferent partitions + a data partition. had to install grub manually (done ...
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0answers
9 views

cannot add memtest86 in Grub menu

I had already seek solution in: How can I add the Memtest86+ options back to the Grub menu? Memtest86+ options are missing in Grub menu However, they still can't solve my problem... what drives me ...
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votes
1answer
25 views

Change the OS boot sequence?

I've been installed the Ubuntu 14.04 in partition of hard drive other than C: drive like E: or F: drive first, then after few days later i installed the windows 7 in C:drive. After windows ...
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0answers
47 views

Dual boot Win8 and Ubuntu with Ubuntu on mSATA SSD

I have searched the web like a maniac in order to find some answers to these questions, so please help me here... If you only now the answer to one of the questions please post that answer! So here ...
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0answers
117 views

No Grub2 boot manager window after installing Ubuntu 14.10 over Linux Mint 17

I have a laptop with Windows 8.1 update 1 and I installed Linux Mint 17 trough dualboot and everything worked great so when I start my laptop I get a Grub2 bootmanager window where I can choose ...