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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Moved Wubi to different partition, unable to boot after editing grub

So, I've tried to move my wubi installation between disks and followed this: Move WUBI installation of Ubuntu to a different partition in Windows However once I start applying the edits to the grub, ...
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90 views

Cannot get grub to show up (directly boots to Windows 7 instead)

Every time I try to boot, my computer goes straight into Windows 7. I had Windows 7 installed and installed Ubuntu 14.04 afterwards, but grub does not show up on boot. Tried holding shift, messing ...
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60 views

Can't install from usb after messing up UEFI

I messed up my dualboot while experimenting (I still have Windows 8 installed) and now I want to: remove GRUB that's still lingering on my laptop, be able to boot from usb again, install Xubuntu ...
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56 views

Ubuntu UEFI boot on ASRock Z77 Extreme4 motherboard

I have an ASRock Z77 Extreme4 motherboard with Windows 7 installed on an SSD. I bought a 1TB HDD to install Ubuntu on. I have it installed and the OS itself works just fine (I have confirmed this by ...
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34 views

triple boot (windows 8, ubuntu, fedora)

I had a dual boot winwdows 8 ubuntu 14 and everything worked fine. Now, i created a new partition and installed fedora for a triple boot. Results: boot only give me the possibility to boot in ...
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36 views

windows 8 not appearing in grub menu after reinstalling ubuntu

I have used boot-repair-disk and now the grub menu appears but windows 8 is missing. Here is the output from boot-repair: http://paste.ubuntu.com/9999740/ Thanks for any help in advance.
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23 views

grub not loading with SHIFT after file modification

Attempt to overcome blackscreen I ran the following steps created file /etc/grub.d/01_915resolution wrote the following lines into the file echo insmod 915resolution echo 915resolution 58 1366 ...
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32 views

Unable to dual boot with Windows 8 and Ubuntu

I apologize if I'm asking a question that's already been answered. I've scoured the forums and done multiple searches but can't find anything related to my situation, or if it is I don't know how to ...
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1answer
35 views

Asks password when trying to install Boot-Repair

I'm trying to install Boot-Repair directly from Lubuntu, but after typing the line "sudo add-apt-repository ppa:yannubuntu/boot-repair" in the terminal (as suggested here: ...
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2answers
111 views

rEFIt - rEFInd - Grub2…what is the “right way” for Ubuntu 14.10 on a Mac:

Can someone please help me to understand the “right way” (if there is such a thing) to run Ubuntu on an EFI computer (specifically a 2012 iMac -- I have Ubuntu 14.10 installed on this iMac, on ...
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2answers
65 views

grub can't find grub.cfg when booting from zfs root

I installed Xubuntu 14.04 on a ZFS-root following these instructions using ZoL's Debian repo: https://github.com/fajarnugraha/pkg-zfs/wiki/HOWTO-install-Ubuntu-to-a-Native-ZFS-Root-Filesystem The ...
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33 views

Ubuntu 14.04 Rebooting Not Working

When ever I reboot Ubuntu (not shutdown but reboot), my computer hangs. It hangs before grub even comes in to go to Ubuntu. I then have to manually do a hard shutdown and power it back on and it boots ...
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20 views

Boot fail running 14.04 - have boot-repair pastebin

Not sure where next to turn I've tried boot-repair and been given then the pastebin info http://paste.ubuntu.com/9972046/ The error message is that /dev/mapper/ubuntu--vg-root can't be found I can ...
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1answer
83 views

efibootmgr cannot launch OSX yosemite (only showing folder image with question mark)

I have a macbook pro with freshly installed yosemite (100 GB) and freshly installed Ubuntu. To boot I use efibootmgr. My partition layout is: /dev/sda1 40 409639 409600 200M EFI ...
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30 views

Dual Boot with GRUB2

Ok,my laptop previously had 2x500gb hybrid drives in RAID0 configuration. Had it partitioned with LM Qiana and Windows 8.1. Laptop is a late 2011 model Alienware M17xR3, so it was designed for Windows ...
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2answers
38 views

Dual Boot with Win8.1 [duplicate]

I just install Ubnutu 14.04 to my Windows 8.1 machine. Install looked until the reboot. The boot choice did not come up. System went strait to Windows. Help? Thank you, William
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1answer
34 views

Clarifications on Installing Ubuntu and Windows

right now I am considering reinstalling my Windows/Ubuntu dual boot because they were originally on two external hard drives and I can't boot into my Windows anymore. Can someone correct my steps and ...
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44 views

debugging black screen using grub boot line command options or version update

Performed an update from 13.04 to 14.04, after getting a black screen, that couldnt be resolved with simply updating the graphic drivers. I have radeonhd 7660g, 7670m on an acer v3. Fortunately, I ...
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1answer
68 views

Dual boot ( ubuntu and Windows 8.1 )

I have a question about dual boot. my laptop is SVE15128CGB. I have just installed Ubuntu 14.0 together with Windows 8.1. And after finishing the installation, I have used Ubuntu normally, but when I ...
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2answers
45 views

uninstall ubuntu [duplicate]

I am trying to uninstall ubuntu to install windows. when I tried to boot it is taking me to grub prompt. is there any other ways to boot without using grub or if using grub is compulsory then what is ...
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2answers
68 views

Ok Ubuntu HDD boots to black screen

This question is similar to this other one in that I get the same result, however I am booting an apparently fine HDD. For four days I have been booting Ubuntu 14.x on a very inexpensive laptop. I ...
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1answer
89 views

USB (mouse/keyboard) turn off selecting Windows from GRUB

I completely reformatted a drive and set up the partitions as I wanted them. First I installed Windows 7 and things were smooth (keyboard mouse worked) Then I installed Ubuntu 14.04 and Grub and ...
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1answer
46 views

Smallest ubuntu install : ubuntu-minimal, ubuntu-server..etc

I am trying to trim down hard drive space requirements of ubuntu; for that reason, I am trying to get a bare minimum install of ubuntu I tried (using a preseeding file) install the target as ...
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2answers
69 views

Unable to boot Windows 8.1 anymore

I have a Dell laptop which came with Windows 8.1 pre-loaded. I decided to dual boot with ubuntu 14.04.10 and everything was working fine. I was able to boot to both windows 8.1 and ubuntu 14.04.10 ...
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24 views

Ubuntu not booting unless flash drive installed from plugged in? [duplicate]

I recently put Ubuntu on a flash drive then installed it onto my computer, but now the computer will not boot unless the flash drive is plugged in. It is still iffy with it plugged in and only boots ...
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21 views

Removing Ubuntu:

I was using Ubuntu 14.04 and found out that i hadn't given enough space to the root partition to fulfill my needs. As I was unable to resize the partition, i tried to remove the linux installation and ...
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2answers
31 views

Ubuntu not listed as a Boot option after using Boot Repair

Had to reisntall Windows 8.1 and couldn't boot to Ubuntu afterwards. then, i followed a tutorial to use Boot Repair. now, i see the boot screen to choose operating systems but the only option there is ...
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1answer
33 views

Can I uninstall sudo in ubuntu 14.04 using Ubuntu Software Center

sudo command in my terminal gives error: sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set In the root shell prompt in recovery mode of grub, I am not able to type any command. ...
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1answer
33 views

Booting ubuntu directly [duplicate]

I have installed Ubuntu alongside windows but the problem is I am unable to get the dual boot screen where we have the windows boot loader listed, instead of that the computer directly boots into ...
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2answers
126 views

Why I need several boot partitions (EFI and bios grub)?

I'm trying to understand how to properly partitioning the disk for future Ubuntu installations. The reason: after trying to install Windows 7 alongside Ubuntu, I enabled "Legacy mode" on my HP ...
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1answer
17 views

Kernel problem on TOSHIBA

I have a SAMSUNG with following specs Intel® Core™ i5-3210M CPU @ 2.50GHz × 4 Intel® Ivybridge Mobile 8 GB internal memory Ubuntu 14.04 64 bit Since quite some time now, my list of kernels ...
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67 views

Too many UEFI Boot entries ATA HDD, ATA HDD1, ATAPI CD1 ATAPI CD2

Windows 8.1 and Ubuntu 14.04 dual UEFI boot. My notebook only has one disk device. The Grub 2 entries are normal with only Windows and Ubuntu entries. However, when entering BIOS setting, I can see ...
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14 views

Trouble Uninstalling GRUB

I recently uninstalled Ubuntu after having dual-booted Ubuntu and Windows. Now when I boot normally, I reach a screen that simply gives me a grub prompt. I can get to Windows by booting, pressing F11, ...
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25 views

Ugh, can't get Grub to load windows after using Boot repair

I have windows 7 64bit, installed on pc, installed ubuntu 14.04lts, everything looked and worked great, until I went to load windows, and would just get a purple window. I found the information to ...
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29 views

Disk Error - /tmp not loading or present'

![disk utility details][1]I had suspended my system for a while. After reopening, I did not reach the usual Password page. On restarting, the grub page opened up where I was given options of booting ...
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1answer
27 views

How to recognize and delete Ubuntu partitions from Windows 8 Dual Boot Machine?

About a year ago I installed Ubuntu 13.10 side-by-side with Windows 8. A few weeks later I updated it to 14.04 (only so I could stop seeing the "available updates" message) and I updated my Windows 8 ...
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19 views

14.10 How to boot a RescueCD from Grub2

I kind of crashed my computer and I no longer have a GUI. I'm stuck in the Grub Terminal and don't know how to boot the LiveCD ISO on my USB key. I'm trapped! A list of commands would be great, a ...
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1answer
63 views

Stuck at GRUB menu

I feel really dumb saying this... Thanks to the help I received on this forum, I finally fixed my Wine/Pipelight issue and could finally upgrade from 'Trusty' to 'Utopic'. To clean up extra files, ...
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1answer
43 views

grub does not show Windows 8 installation

I have a triple boot Ubuntu14.10/MacOSX/Windows 8 on my MacBook Pro. However, Windows does not show up in grub, only MacOS and Ubuntu show up. I tried a few things from other similar questions but ...
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45 views

Installed Ubuntu 14.04 alongside OEM Windows 8.1 — cannot successfuly manipulate Windows Boot Manager [duplicate]

None of the previous questions or guides have been successful for me after a long day of trying. My laptop came with Windows 8.1 installed and is UEFI. I installed Ubuntu alongside it and can get ...
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17 views

UEFI and Ubuntu install bootloader

Can someone give clear instructions as to how I am to install Ubuntu and boot it via UEFI. I just bought a new harddrive from scratch. I have GParted on a usb stick Also Ubuntu on a usb stick This ...
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33 views

Change from GRUB

I am dual booting Ubuntu and Windows 7. At start up, I can choose between the two in the GRUB menu. The menu is Ugly and doesn't allow me to do much like booting windows in safe mode. How do I ...
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1answer
60 views

0xc000000f error when starting Windows from Grub

Recently I corrected the dual boot by re-installing the grub bootloader. I did that by first adding an entry pointing to Linux in easyBCD settings. Then, when I restarted the computer it showed ...
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66 views

AMD Graphics Driver version that works for R9 290 GPU Pass through

Dedicated GPU (AMD Radeon R9 290) passthrough setup to a VM running Ubuntu 14.04 x64 LTS. Hypervisor used is KVM. Tried installing the latest Graphics driver available on amd support site (14.501 ...
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29 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 ...
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13 views

Help! Installed Ubuntu on old PC - Grub manu disappeared

I installed Ubuntu on an old Toshiba Satellite (processor 1,6 Ghz, 448 Ram, 100 Gb), everything went fine, I could install everything and then it asked to reboot. But when I did, it wouldn't. Instead ...
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2answers
100 views

Enter BIOS from Ubuntu 14.04 (Ideapad Yoga 13 - Novo Button)

I changed the BIOS settings in my Lenovo IdeaPad Yoga13 running Windows 8.1, as I was having difficulties in installing Ubuntu 14.04. In the process I also changed the UEFI to LEGACY. Later Ubuntu ...
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1answer
23 views

Grub will crash on motherboard with AMD onboard graphic card

In Short: Grub crashes right at start on two mainboards with AMD onboard graphics. How can I get grub not to crash? I was using Ubuntu and kubuntu on a GA-880GA-Ud3H motherboard for a couple of ...
2
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1answer
90 views

How do I run `vbeinfo`?

The instructions in /etc/default/grub say to run vbeinfo, # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them ...
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6 views

Can't Fully Boot from vmlinuz *.29

I'm having a problem fully booting from the latest vlinuz listed in GRUB. When I select the default Ubuntu option, the loader hangs on a memswap line, then hangs further down the process. Only when I ...