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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24 views

Used my laptop to install on usb. Now cant boot the hdd install. urgent

Im writing this from my phone because i messed up big time and need to fix it asap. I used my ubuntu laptop to make installed ubuntu on a usb stick (booted from live usb to make it) I choose the usb ...
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91 views

Boot repair fails to repair my dual boot (ubuntu 14.04 and windows 8)

Usually when I start my laptop, grub starts and allows me to boot either ubuntu or windows. However, after a windows update yesterday, windows is started automatically and selecting ubuntu in the ...
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38 views

Ubuntu 14.04 Low Graphics Error believe it is a mount error?

I rebooted my Ubuntu 14.04 from terminal 3 days ago and it seems to have undergone a catastrophic crash. Firstly, I got a low graphics error issue. I could not even get to the console, so I removed ...
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99 views

Trouble Deleting a Partition Containing Grub

Update: I have resolved one of my problems myself, but still need help to delete a partition. I left the original post intact in case someone has a similar issue and can quickly reference this post. ...
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29 views

grub-install looking for /,

Installing regular ubuntu updates via software updater gives me the following error: grub-install: error: cannot find a GRUB drive for /,. Check your device.map. I have no idea why it is looking ...
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223 views

GRUB on my OS X (Hackintosh) disk after uninstalling Ubuntu

I have a Hackintosh with 3 SSDs, each with a different OS on it (OS X 10.10, Windows 7, Ubuntu 14). The problem is that I originally tried installing Ubuntu on the same SSD as the OS X drive AND I ...
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457 views

Ubuntu 14.04 boots on Bios on Asus EeeBook X205TA

Hope someone can give me fix to my problem. I purchased a Asus Eeebook X205TA to access my desktop when away. I installed Ubuntu 14.04 as single OS and completed the install without any errors showing....
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61 views

Can't go past the grub screen

I am going to preface this with the fact that I am extremely new to Ubuntu, so I don't know much. When I start up my computer it takes me to GNU GRUB version 2.02~beta2-9ubuntu1 Not knowing ...
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293 views

Live USB doesn't start - GNU GRUB version 2.02

When starting my laptop, the first and only screen I see is "GNU GRUB Version 2.02~ beta 2-9 Minimal BASH-like line ...". I can't access to BIOS, nor use a bootable usb flash drive. It doesn't read ...
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19 views

Powered down my laptop during a drive partition, any way to save some data?

I was in the process of partitioning my laptop drive which was running the latest version of Ubuntu when I was forced to turn it off, knowing the damage it could cause. When I turned it on later it ...
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118 views

How to boot encrypted windows partition

I have installed ubuntu 14.04 on a dedicated partition in my work machine. The Windows partition is encrypted with Symantec full disk encryption, and is not recognized by Ubuntu as Windows (and does ...
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360 views

How to boot Windows 8 installed in legacy mode using GRUB in EFI mode?

This question is linked to this: How to boot Windows 8 from a legacy MBR partition in UEFI mode via GRUB? But I can't access windows anymore, so I can't run bcdboot. Here's my partition tables: ...
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389 views

Lenovo onekey stuck in GRUB

I have a Lenovo g50-45 with onekey recovery with Windows 8.1 pre-installed. I dual booted with Ubuntu. Then I uninstalled Ubuntu. then tried to reinstall with USB using onekey. I got this screen: ...
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104 views

Ubuntu 14.04 software update causes system failure and messed up graphics

I allowed the software updater on my Ubuntu 14.04 machine to update various software packages today (1/25/2014). A reset was requested. I reset my machine and it now comes up with messed up graphics....
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232 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 ...
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0answers
83 views

Grub2 enters console instead of showing menu

I installed Kubuntu 14.04 on an Acer Aspire R7 571G. When installing I chose to use the whole hard drive (removing the existing windows 8). Installing was successful, but when rebooting it didn't ...
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670 views

Error calling EVIOCSKEYCODE

Using 14.04, I have the following error displayed when booting up: Error calling EVIOCSKEYCODE It doesn't cause any problems with the system, but I would still like to remove it. Now, I managed ...
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229 views

Need to remove GNU GRUB version 2.00-19ubuntu2.1

I originally posted a question about removing Ubuntu and GRUB from a dual boot system. This is what my partition map looked like at the start: My question was marked as a duplicate by moderators, ...
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122 views

kernel panic on boot

I'm having some trouble booting ubuntu 14.04. The most weird thing is that after the kernel panic error shows up, if I restart the laptop, grub appears (not showing up when the panic occurred), and ...
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2k views

Installed Ubuntu 14.10 on MacBook Pro (5,5) without rEFIt or rEFInd, hangs on purple screen

I recently inherited a mid 2009 13" MacBook Pro. I wanted to install Ubuntu 14.10 on the machine rather than OS X. I've previously had success with Ubuntu 13.10 on a 2006 MacBook by booting to live ...
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204 views

update-grub fails on lvm cryptoroot

Disclaimer: I'm running this server now but I did NOT install it. I have two disks connected to an Intel Hardware Raid Controller running in RAID1. On top of it there is a fully encrypted 12.04 ...
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773 views

boot XEN under UEFI-only BIOS

Is there a way to get XEN 4.4 booting from UEFI mode BIOS? My AMD64bit laptop does not support direct CSM/legacy boots. A nasty workaround has been to boot from a specially made USB pendrive with ...
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134 views

Black screen on bootup

I've had a problem since loading ubuntu alongside my windows install now. I'm running 14.04 and using Gnome 3.12 shell and Lightdm. When booting up the Ubuntu splash screen looks normal and pushes me ...
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181 views

setting of GRUB for two Linux distributions installed to two separate hard disks

I installed a second hard disk to my laptop so that I can test on new Linux distribution without trashing my working one. I did the following: Installed Linux Mint 15 to my first drive sda and use ...
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121 views

Both Windows 8.1 and Ubuntu not booting after installing Ubuntu 14.04

I had installed Windows 8.1 in my Dell Inspiron 5521 in Legacy Mode. I then tried installing Ubuntu 14.04. The installation was successful. But after rebooting, I was unable to boot into any OS. While ...
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151 views

Unable to boot after update

After a update, Ubuntu won't boot anymore and gives: error: could not read file. If I'm fast enough to press a button to continue, I get Kernel panic - not syncing: VFS: Unable to mount root fs on ...
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1k views

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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644 views

Error occurred while mounting /boot

I wanted to remove Windows 7 and Ubuntu 13.10 from my laptop and just create one partition for Ubuntu 14.04, but this seems to be more difficult then I thought it would be. Installation seems to go ...
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589 views

OS-prober is taking a really long time

Any time I update my GRUB configuration or install a kernel update that has the update manager update my grub configuration, the os-prober part of the configuration hangs for sometimes 10-20 minutes. ...
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721 views

How to get rid of grub menu after boot?

Here is my /etc/default/grub: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true ...
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268 views

How can I remove Ubuntu record from my boot list?

I've installed Ubuntu 12.04 on an external USB3.0 drive. I selected sdb (the usb stick) as grub point and created a new ext4 partition as root on sdb1. Everything went very well and I could either ...
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396 views

How do you repair a non-booting Windows 8.1 installation after updating to Ubuntu 14.04?

I have dual boot set-up with Windows 8.1(original OS) and Ubuntu 14.10. Recently, Windows stopped booting. I am presented with a 'Recovery' screen with the Error Code: 0xc0000225. Windows stopped ...
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387 views

Ubuntu 13.10 continuous beeping

I'm using Ubuntu 13.1064b on a Dell Inspiron N5010. Sometimes when I boot into Ubuntu, I get a continuous beeping noise on my sound card output. My laptop's internal speakers stopped working a long ...
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306 views

Computer won't boot after shutdown/reboot

I currently have a Toshiba Sattelite C660D which dual boots Ubuntu 14.04 (had same issue with 13.10) and Windows 8. Every time I shutdown or reboot my laptop from Ubuntu, I can only get it back on, ...
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779 views

SSH update to 14.04: The disk drive for / is not ready yet or not present

I am not able to restart my Ubuntu server after upgrade from 13 to 14.04. What can I do to make things work again? I tried to upgrade my server over ssh to ubuntu 14.04. When the installation ...
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88 views

Is there any kind of relationship between Windows and Ubuntu installation?

I've just experienced incredibly weird behavior in Ubuntu. I've written lately some questions here regarding my shitty tablet not working correctly in Ubuntu 13.10 . I've left it that way having it ...
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169 views

Can't boot after Kubuntu 13.10 installation with Windows 8 Dual Boot

I installed Kubuntu 13.10 with Dual Boot Windows 8.1 via USB. After reboot i got the prompt: Minimal BASH-like line editing is supported I already tried to fix it with boot-repair, but nothing ...
2
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0answers
59 views

update-grub Not Respecting Preferences from /etc/default/grub

Following the advice from an answer to How do I remove or hide old kernel versions to clean up the boot menu or free space?, I found myself having to put up with the GRUB boot menu every time I ...
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0answers
372 views

Installing Ubuntu on external hard drive (boots to black screen)

Hey everyone this is my first post here on the askUbuntu forums. I've been an avid Linux user for over a year now but by no means an expert. The problem I'm facing is one I have not been able to ...
2
votes
0answers
254 views

GRUB USB not working in windows 7

I have just re-installed Windows 7 in EFI mode (getting everything working in a new EFI enabled mode) and used boot-repair to get GRUB working again. However when booting into Windows, there is a ...
2
votes
0answers
4k views

WIndows 8.1 not showing up on GRUB during boot up. Windows 8.1/Ubuntu 13.10 dual boot

I have recently installed Ubuntu 13.10 along side Windows 8.1 on my Laptop. After the install of Ubuntu and restart, everything worked fine. Windows 8.1 showed up in GRUB when the PC restarted to ...
2
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0answers
481 views

TabletPC: OS selection in GRUB using volume and Windows buttons

I've bought an Acer P3-171 tablet and installed Ubuntu Precise Pangolin alongside with Windows on it. Unfortunately, I only can choose the OS to boot using an external hardware keyboard. I am a ...
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0answers
2k views

Ubuntu UEFI Windows 8.1 Dual Boot

I have installed Win8 and Ubuntu side by side before in the past and had issues with booting which were fixed perfectly the first time using boot-repair. This time, I installed Win8.1 and Ubuntu with ...
2
votes
0answers
235 views

Broken chainloader after cloning drive

I have a multiboot system with Windows XP and Ubuntu 13.04. I use Grub 2 to boot from the MBR to a chainloader in the Ubuntu partition, and the chainloader gives me the option of booting to XP or ...
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0answers
71 views

Dual Partion windows not working ?

I originally set up Ubuntu "along side" widows(Vista) and realized it was done though wubi after I tried to set up a VB and didn't have enough room. I then repartitioned the HD and did a stand alone ...
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342 views

Kernel panic after updating to linux kernel 3.8.0-32

I'm getting the following errors after upgrading to the newest kernel: VFS: Cannot open root device "UUID=1f09d896-51ad-47b8-8e62-c289906e527a" in unknown-block(0,0) Please append a correct "root=" ...
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0answers
974 views

Attempt to read or write outside of disk hd0 problem

I installed ubuntu 13.04 on a 16GB usb memory (full installation, not live usb) and boot it with vmware player 6 + plop under windows 7 64-bit host. To avoid windows format complain, I created a ...
2
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0answers
252 views

Dual Boot System: Windows 8 starts up with black screen if started from GRUB

i don't even know if this problem has anything to do with GRUB or Ubuntu. It could be just a hardware problem. my problem started after i installed my new graphics card (Radeon HD7970). Everything ...
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0answers
290 views

Issue with booting/rebooting behavior when using a bootable SD Card

So, here's what I have: A bootable SD Card, with a minimal Ubuntu installation. A bootable USB stick, with exactly the same filesystem image. A Shuttle PC (much like the XS35V2 Digital Signage Media ...
2
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0answers
472 views

Dual boot Win7/Ubuntu - GRUB menu flashes; cannot select

I have Windows 7 and Ubuntu 12.04 LTS on two separate partitions on my desktop. I used to be able to get the GRUB menu at startup when I had an older Ubuntu version (probably 10.x) but, after ...