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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Gave Up Waiting For Root Device - Fresh Install 14.04

I am getting the error: Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system ...
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23 views

Unable to install Ubuntu 14 LTS (64bit) on Lenovo Ideapad S205

My Lenovo Idepad S205 seems to be in a worse situation than in the question here Unable to upgrade or fresh install Lubuntu 14.10 (32bit) on Lenovo Ideapad S205 Unfortunately the answer given there ...
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0answers
23 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 ...
3
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196 views

iMac will not boot OS X after installing Ubuntu

I installed Ubuntu alongside Mac OS X on my iMac, following HowToGeek's tutorial. Whenever I boot, I get GRUB with the following options: Ubuntu Advanced Options for Ubuntu Mac OS X 32-bit Mac OS ...
3
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0answers
578 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 ...
3
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0answers
690 views

GRUB_HIDDEN_TIMEOUT and GRUB_TIMEOUT Do Not Accept 0 Value

I am not on a duel boot system, and do not want to view the GRUB boot menu. I have used methods that have worked in the past to change /etc/default/grub to accomplish that ends, but they have not ...
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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 ...
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12k views

A Guide to Install Ubuntu 13.04 using a RAID 0

Getting the error: Unable to install grub in /dev/sda? Because you are using a BIOS/fakeRAID0? If you manage to find this thread consider yourself in luck. I spent the last 48 hours trying to figure ...
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451 views

Xorg can't find screens

I recently installed Ubuntu 12.10 on my laptop. It installed successfully, but whenever I boot into it, after the GRUB screen I get a text TTY. I can log in with that and enter command-line commands. ...
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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 ...
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33 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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247 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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0answers
130 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, ...
2
votes
0answers
65 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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0answers
1k 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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0answers
51 views

Can this error cause computer to reboot

There are 11 computers in my classroom. Yesterday they began to reboot randomly, all of them. I reinstalled Ubuntu and got this error everytime. Also, after reinstalling the rebooting continued. Can ...
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82 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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93 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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746 views

14.04 - Replaced drive in Software RAID 1 - How to make bootable?

I have an Ubuntu 14.04 x64 server with 2 500GB drives (sda and sdb) in a software RAID 1. I just had to replace sdb. Adding it back to the array with mdadm and resyncing was a snap. The problem I'm ...
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111 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 ...
2
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102 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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118 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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0answers
564 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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346 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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0answers
132 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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554 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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641 views

RAID1 “conflicting device node” message on startup

I'm dual booting Win8.1 and Ubuntu 14.04 (Gnome Classic). I have RAID1 set up (on Asus Z87-A motherboard) with Win partition, Ubuntu partition, and NTFS partition for data. On Ubuntu startup, I see ...
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0answers
161 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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0answers
82 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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0answers
154 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 ...
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votes
0answers
39 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
105 views

How can I get Ubuntu and Windows XP to dual boot? (solved)

I tried to install Ubuntu 12.04 alongside Windows XP Home. Everything appeared to be progressing normally and I was prompted to eject the CD and reboot. The result was: error: no such device: ...
2
votes
0answers
243 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 ...
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votes
0answers
146 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 ...
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votes
0answers
3k 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 ...
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0answers
435 views

How to configure GRUB loader during apt-get upgrade on Ubuntu 12.04

I have a box with Ubuntu 12.04, and just did a apt-get upgrade. I'm presented with a dialogue to update my GRUB bootloader, but with the following message: The GRUB boot loader was previously ...
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votes
0answers
206 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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votes
0answers
163 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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votes
0answers
68 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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votes
0answers
264 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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votes
0answers
796 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 ...
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votes
0answers
219 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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votes
0answers
202 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 ...
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votes
0answers
340 views

How to fix Grub loader that hangs and waits for user with read only root partition?

I am trying to create a set of Ubuntu 12.04 slave systems that have a read only root partition and a small read/write partition mounted for a single user. These systems will be used for a short job ...
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votes
0answers
219 views

Nvidia Optimus / Purple screen at boot

I have a ThinkPad T430 with an Nvidia NVS 5400M dual booting Raring and Windows 8. If I boot directly into Ubuntu or reboot Ubuntu then the system boots with a purple screen directly after grub. It's ...
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votes
0answers
760 views

How to boot Ubuntu 12.04.2 LTS with UEFI, Nvidia graphics and dm_crypt encrypted LVM

I've just gotten 3 new systems, with Nvidia GTX 660 graphics, Z77 chipset and AMI UEFI BIOS. I've installed Ubuntu 12.04.2 LTS from the Alternate Installer in order to install onto an encrypted LVM ...
2
votes
0answers
2k views

Ubuntu 13.04 - Black screen with unresponsive cursor

Few days ago I installed ubuntu 13.04 on a new machine without big issues. Today, after the boot, I have this situation: grub correctly loaded and normal boot normal purple screen with red dots ...
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votes
0answers
85 views

grub customizer broken after changing grub backround image option

As you can see from the paste I have a dual boot laptop with win7 and Ubuntu 12.10. The grub broken after messing around with background picture with grub customizer.I didn't proceed to any change ...
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votes
0answers
401 views

ATI HD 6320 ASUS Brightness doesn't change

When i press Function + [F5 or F6] to increase or decrease the brightness, the adjustment display on top right pops out and the slider moves but the screen brightness remains the same. i've done ...
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votes
0answers
176 views

Setting up a bootable usb iso

So, I've got an ext3 partition on a removable USB device. Its /dev/sdb1 on my system. After mounting this partition: sudo mount /dev/sdb1 /mnt/USB I install grub on it: sudo grub-install ...