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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Installing Ubuntu 14.04 on Asus Zenbook (RAID)

This machine have 2 128 GB SSD drives (http://www.amazon.com/dp/B00EPGHE0E/ref=twister_B00JYFOKKS). I managed to install Ubuntu with no problems on one SSD drive, but I am having following troubles ...
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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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375 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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57 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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327 views

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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74 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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67 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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91 views

14.04 random hanging on boot

I've already googled a lot and probably know what's wrong but don't know how to fix it. Fresh install of Trusty Tahr LTS i386 on a new netbook with an Intel N2820 Bay Trail graphics. Average 4 of 5 ...
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183 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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76 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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306 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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77 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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641 views

How to Enter Recovery Mode from Grub

I have a dual boot installation with Windows 7 and Ubuntu 12.04 LTS. I am currently trying to solve this problem, where any mouse and keyboard input is ignored on the login screen. The apparently ...
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0answers
405 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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79 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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123 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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82 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: ...
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166 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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556 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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votes
0answers
135 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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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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213 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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203 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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157 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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10k 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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308 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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204 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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684 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 ...
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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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79 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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363 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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159 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 ...
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953 views

Can't access grub menu by holding shift

I need to be able to set the nomodeset flag for the system to boot correctly, however pressing and holding shift after the boot screen does not give me access to the Grub menu. I need to point out ...
2
votes
0answers
122 views

Attempt to install Ubuntu 12.10 from Windows but get GRUB instead

I have a Ubuntu ISO that I have just downloaded from ubuntu.com and used the Windows Installer (Wubi) to install Ubuntu, but when it boots, instead of Ubuntu I get some GRUB ... something. I have ...
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votes
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1k views

Installing 12.04LTS Server on a Fake RAID10

Scenario Install Ubuntu 12.04LTS Server on a RAID10 with boot on a RAID1. 4 - 2Tb SATA Hard Drives 3 Partitions (/boot, /, and swap) boot (256Mb from each disk) setup in RAID1 /dev/md0 partition ...
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votes
0answers
519 views

Cannot get windows 8 to boot after ubuntu 12.10 install (different hdds)

I just took the plunge into Linux, with Ubuntu 12.10. Not knowing if I would like Ubuntu enough for it to become my main OS, I installed it alongside of my existing OS, windows 8. When installing ...
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288 views

Grub Customizer does not start

I recently installed Ubuntu 12.10 as a second OS dual-booting with Windows. And by default I need to boot to Windows. So, I decided to install Grub Customizer through the terminal: sudo ...
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0answers
61 views

Change Bootloader title to include bit

Secondlife runs on 32 bit linux. I've tried WINE, Crossover, and installing the 32 bit libraries. Nothing has worked so now I'm having to install a 32 bit copy of Ubuntu as a second partition just to ...
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0answers
354 views

Grub Customizer Error on startup

I cant start Grub Customizer in ubuntu 12.04 after updating the kernel: exception '15AssertException' with message 'found unexpected file on path: /etc/grub.d/10_linux' in ...
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votes
0answers
280 views

when installing /boot inside a lvm group, where do I install the boot loader?

I am setting a personal file/cloud server based on ubuntu server 12.04 and owncloud but there are certain things about the partitioning that I can't get my head around... Let's say for example I want ...
2
votes
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644 views

How can I fix this error file /boot/grub2/i386-pc/normal.mod not found

I recently replaced Windows 7 with Ubuntu 12.10. I chose the option to replace windows so I am not dual booting. I am currently running off a flash drive since after I tried the install the error ...
2
votes
0answers
133 views

Copying data from Centos hard drive to Ubuntu

I have a 2 PCs wiht ubuntu 10.04 and centos 5.8 installed.I want to copy all the data from Centos hard drive to one with ubuntu. How can I do this ??? I have tried directly plugging centos hard drive ...
2
votes
0answers
68 views

Three file not found errors before Grub menu appears - caused by 12.10 upgrade

After just upgrading to 12.10, I see three Error: File Not Found lines flash up on the screen at the very start of bootup, just before the grub menu appears. The system still works properly after ...
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179 views

ubuntu 12.04 Booting error

i have ubuntu 12.04 downloaded along side my windows 7 sony viao laptop, ive used it for a couple of months, yesterday i decided to boot onto windows then it did something that messed up ubuntu. when ...
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2k views

“hd0 out of disk” / “hd0 write error” (still boots)

I was doing a series of upgrades of my desktop which had 10.04, aiming for 12.04. Somewhere in the middle, GRUB began displaying "error: hd0 out of disk / press any key to continue", but the boot ...
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votes
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749 views

How to fix GRUB on dualboot with Windows7 and Ubuntu?

I am a relatively recent user of Linux. I had several releases of Ubuntu installed on my laptop working in dual-boot and never had any issues. Recently, I installed openSUSE because I thought it ...
2
votes
0answers
356 views

Edit Windows Boot Loader from Ubuntu

I am using Ubuntu 12.10, and Windows 7. I accidentally removed the Windows option from the Windows Boot Loader using EasyBCD. I do not know how to access the windows boot loader configuration files. I ...
2
votes
0answers
644 views

grub menu resolution problem on ubuntu 12.10

When I cold boot Ubuntu 12.10, the Grub menu font is stretched and the background doesn't cover the entire screen, like it's 640x800 resolution. If I reboot the grub menu is perfect, no font or size ...
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votes
0answers
185 views

Boot in virtual console mode with full resolution

I am able to either: 1) Boot into X, switch to virtual console #1 and use it at full resolution or 2) Boot into virtual console mode -only and use them with 80 columns max How can I boot into ...
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votes
0answers
398 views

error: no device connected

I did a fresh install of 12.04 by usb and it went fine, worked on it for several days, but one day the browser crashed and i reset the machine, after that I get this error when i boot; error: no ...