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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Grub problem in uninstallation of Ubuntu in Windows 8 [closed]

I uninstalled Ubuntu by following the online instructions here. First, I addressed the command prompt to fix the boot. After typing bootrec /fixmbr and bootrec /fixboot , I did not reboot my PC and ...
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2answers
3k views

Do I really need both bootloaders? It really slow down the actual boot up time

Dear Readers of this question I'm a beginning learner in the wonderful of Linux. Its great, but I got to solve the problem by myserlf so please help me! Setup: Macbook Pro 8,1, rEFit, GRUB2, ...
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2answers
76 views

Install Ubuntu 14.10 on secondary UEFI partition

Trying to install latest Ubuntu desktop release 14.10 on a new system with 64-bit Intel X99 motherboard having UEFI firmware. For the installation I am using a USB EFI formatted live USB stick. My ...
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1answer
29 views

Grub2 doesn't show Windows 7

I did reinstall UBUNTU 14.04 after having some issues with grub, the problem is that I can't access to my windows 7 anymore as the grub menu shows only Ubuntu partition. P.S/ during the ...
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0answers
14 views

fdisk /dev/sda fail, possible to restore?

I'm new here, so I hope I post this in a place where someone is able to help me. Earlier today I was messing around with fdisk to be able to run my windows partition through a VirtualBox. At a point ...
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0answers
19 views

Grub menu flashes with USB keyboard - cannot select

I'm having issues with the grub menu using a USB keyboard on a new 14.04 install (dual booted with windows 8.1). The menu appears, but when I try to navigate down, to say, select windows, the cursor ...
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2answers
3k views

Can't access BIOS and installing a windows hard drive

Built new computer: AMD FX-8320 Eight-Core Processor × 8 9.7 GiB RAM Graphics GeForce GTX 650 Ti BOOST/PCIe/SSE2 Ubuntu 13.10 64-bit Desktop Computer 1 TB HardDrive BIOS Type, UEFI BIOS ...
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1answer
13 views

Can't boot anything

I'm selling my laptop, so i decided to erase my Ubuntu partition, so i got the grub screen, at that point i could still access the boot menu trough initrd, but after following a tutorial in how to fix ...
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1answer
25 views

Trying to do an Ubuntu/Windows dual install but only Windows 7 pops up

So I've been running Ubuntu without Windows. I got a Windows 7 live CD and tried to do a Windows 7/Ubuntu dual boot but I couldn't get the boot to load correctly so I decided to go back to just ...
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14 views

Issues with BootRepair and GRUB [duplicate]

I have got a new Acer net book with Windows 8 and EUFI on it. The first thing I attempted to do was install Parrot Sec Linux, and I did so with a boot able USB created with Win32DiskImager. I was able ...
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13 views

Logging into my user account sends me back to login. Xserver? [duplicate]

Solved Running sudo startx must have changed the ownership to root so ownership must be taken back. At the login screen press Ctrl+Alt+F1. Enter your credentials to login then enter ls -la and you ...
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2answers
4k views

No GRUB Screen or recovery mode on Boot after 12.04 Upgrade

I tried the live boot CD and boot-repair, also loaded the Desktop install CD, and it looks like all partitions check out OK. However, when I try to boot Linux (the only bootable partition on the ...
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1answer
25 views

Ubuntu-gnome now alone on harddrive, how to remove multiboot menu [duplicate]

I want to remove all trace of multi-boot now and make Ubuntu boot up without grub that was installed when Windows 7 was there. Now Windows 7 is gone but not the boot menu. How do I remove this?
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1answer
22 views

Grub from Ubuntu 12.04 to Ubuntu 14.04 32 bit

My Grub says Ubuntu 12, but I already have Ubuntu 14.04. Why does it say that the version is 12?There are too many options in the Grub menu, how can I clean it?
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1answer
44 views

boot from USB drive Ubuntu or Windows 8

As security I would like only when I have the USB drive plugged in the laptop to be ask if I would like to boot my Ubuntu desktop otherwise to boot my installer Windows 8 . Could anyone let me know if ...
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0answers
290 views

Unable to repair GRUB with Boot Repair

I installed Ubuntu on my laptop, which came with Win 8.1 preinstalled, with UEFI of course. So, I disabled secure boot and I installed without much interruption, but I realized that I could only boot ...
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0answers
17 views

Incomplete boot, but not every time [duplicate]

I have an old PC with 12.04 LTS on it, used headless for NAS. It's set in the BIOS to boot on AC application and grub2 is set to continue after a 10 second wait time. Every "X" number of boots (less ...
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6answers
3k views

Ubuntu 12.04 LTS on pendrive

I've got a problem with installing Ubuntu on Pendrive. Steps I made: Downloaded ISO from Ubuntu site. Burn it on DVD. Run PC from the DVD (pendrive is plugged in). Followed instruction on the ...
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1answer
26 views

Problem with double screen when turn on the PC

when I turn on the pc the GRUB appear in my VGA screen and I want that GRUB appear in my HDMI screen, any solution?
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3answers
13k views

Set the GRUB Default OS: Dual-boot Windows 7 and Ubuntu 14.04

I'm running a dual-boot system, having installed Ubuntu 14.04 after the Windows 7 installation. GRUB, as you already know, sets Ubuntu as a default/first Operating System. The question is: how can I ...
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2answers
113 views

Cannot install Ubuntu on UEFI device from scratch

I've replaced my HDD by a SDD on my Zenbook Prime and am trying to install only Ubuntu 14.04. Before, I installed Ubuntu on the HDD which was already containing Windows 7, and everything worked great. ...
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1answer
52 views

Ubuntu Server 14.04.1 Boot loader Not Showing Up

I am trying to install Ubuntu Server on a 4TB hard drive and I can not get the system to see the boot loader. I had originally installed Ubuntu Server on this exact same computer with a 500GB hard ...
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5answers
5k views

How to use NVIDIA GTX 970 GPU? [duplicate]

I have NVIDIA GTX 970 GPU, which is pretty new chip and it is not recognized by nouveau driver shipped with Ubuntu 14.10, hence I am stuck on 1024x768 resolution on Full HD monitor - not so good. ...
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1answer
27 views

Sony Vaio S dual boot issue

I used usb stick to boot and install Ubuntu in legacy boot option since it did not boot in UFI Install alongside windows option was not available so I install it manually everything went fine but ...
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0answers
21 views

How do I only install ubuntu 12.04 in hp z400 workstation?

I am trying to install ubuntu 12.04 in hp z400 workstation which has windows installed before. When I tried to install ubuntu, I got this error: “Unable to install GRUB in /dev/sda”. When I chose ...
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0answers
21 views

Ubuntu 14.04 Wubi installation; Ubuntu found critical errors in /

So, the other day, Windows was falling apart and I used Wubi to install Ubuntu 14.04. I then used another program which let me put Ubuntu as the default OS. But, unfortunatly, no boot manager comes up ...
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1answer
36 views

Ubuntu partition merge with windows partition [duplicate]

I had 2 partitions more or less 225GB each one. In the first partiton I had installed Windows 8 and in the second I have installed Ubuntu 14.0 2. My problem is that when I installed Ubuntu in the ...
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2answers
5k views

GRUB EFI loader cannot find its config file in /boot

I installed Ubuntu, but when I boot I go straight to Grub rescue command prompt (GNU GRUB version 2.00-19ubuntu2.1). I can get a Grub boot interface by typing: set root=(hd0,5) set ...
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0answers
26 views

Boots to black screen only from hard drive [duplicate]

I have an ASUS X200MA that came with Windows 8.1. I got it to dual boot with Ubuntu 14.04 and I have used it for months. It suddenly ( perhaps after running a windows update ) started turning off the ...
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0answers
37 views

Minor problem with Grub entry for Windows 8.1 - Only Windows Boot Manager shows

I have done the seemingly impossible. I've installed Ubuntu 14.04.1 on a machine that came with Windows 8.1 pre-installed. Yes, it took some tweaking. But I finally got Grub to load up when my ...
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0answers
32 views

SeaBIOS will not boot grub anymore on a HP Chromebook 14

I removed ChromeOS by reformatting the partitions after I got SeaBIOS to boot grub into Ubuntu 14.10 successfully (worked for weeks). However, it will not boot grub anymore randomly. And there is no ...
0
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1answer
104 views

Dual Boot Windows 7 & Ubuntu-Win7 does not show in Grub menu [duplicate]

I recently installed Ubuntu onto my PC. When I went to install it, there was no option to install alongside Windows, so I partitioned space for it myself. Ubuntu booted up just fine, but when I went ...
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(Almost Solved! Help!) 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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43 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
17 views

Grub menu doesn't show setup option [migrated]

I am new to Ubuntu. I had to reinstall elementary off a USB. I Thought it had installed, so I restarted. When the reset was done the grub screen appeared, so I selected normal boot. After that the ...
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1answer
32k views

Set “older” kernel as default grub entry [duplicate]

Possible Duplicate: How do I set Windows to boot as the default in the boot loader? How do I change the grub boot order? I installed a mainline kernel for testing purposes. I would like ...
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0answers
19 views

How to load Windows from GRUB 2.02 (after unistalling Ubuntu) [duplicate]

I wanted to uninstall Lubuntu 14.10 (dual-boot with Windows8) so I used EasyBCD 2.2 and deleted the partitions of Lubuntu (I followed a video tutorial for using EasyBCD). But now as I turn the PC on, ...
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0answers
27 views

Macbook Pro 5,5 will only boot 14.10 through recovery mode

I've installed Ubuntu Desktop 14.10 on a 2009 13" Macbook Pro (5,5). I installed it from an SD card, to an external FireWire drive (single boot). The install went smoothly. Now when I try to boot, ...
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1answer
92 views

Bootloader location, dual boot Ubuntu 14.10 & Kubuntu 15.04

I am currently running Ubuntu 14.10 on my laptop. I dual boot with Windows 8.1, and now I would like to install Kubuntu 15.04 alongside all this to see if KDE Plasma 5.2 + SDDM works with nvidia-prime ...
0
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1answer
75 views

How do I get into recovery mode on ubuntu 14.04 if the option not showing

I just boot up my laptop then run the sudo apt-get update command, but there's an error says [username] is not in the sudoers file. This incident will be reported. .so I search the google for ...
0
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1answer
27 views

How to create a GRUB2 entry for a “LiveSD” Card

I want to be able to boot any OS (this case: a Live version of Kubuntu) installed on a SD card (not USB). I have followed the instructions given for a USB. However that won't work properly, the ...
0
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1answer
19 views

Can't boot after removing Ubuntu

Okay, so I wanted to decrease the Ubuntu partition from 128GB to 64GB. Windows wouldn't let me do that. So I figured I'd delete the 128GB partition and create 64GB and reinstall Ubuntu. But after I ...
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2answers
77 views

No dual-boot available after installation of Ubuntu 14.10 alongside Windows [duplicate]

After I completed the installation of Ubuntu alongside Windows I don't get the option for dual boot, it boots straight to Windows. I used an USB stick to install.
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0answers
30 views

tty1 login screen after fresh install of Ubuntu

Trying to install XUbuntu. I'm new to Linux. I have a 32 bit Intel Pentium 4 processor with 2 GB memory on an R 82945 G express family chip set. 80 GB on hard disk. I installed from live CD and chose ...
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0answers
35 views

I dual booted Ubuntu 14 with Windows 8.1, now I can't boot into WIndows 8.1 in GRUB.

I tried using boot repair, it didn't work, and my only option on the GRUB is Ubuntu. Here is the link to my boot repair if it helps. http://paste.ubuntu.com/10239509/
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1answer
62 views

Ubuntu 14.04 Desktop on RAID-5 with LVM, GRUB failed to install

I want to configure a home media center and file storage, to keep the data safe I want to use RAID-5 (I have 4 HDs) and LVM for future scaling. I've configured RAID-5 and LVM, but GRUB installation ...
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1answer
67 views

No Linux OS will install

To my dismay, I have attempted to install several Linux systems in the past month. I have tried Oz Unity's Star Sapphire 3 times now without success. The first time it installed without issue, ...
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1answer
4k views

How to use GRUB as default bootloader while dual booting Win7+ubuntu

I installed windows 7 first and then Ubuntu, booted back into windows and used EasyBCD to use the Windows 7 bootloader for dual booting. So when the system is rebooted Windows bootloader comes up ...
0
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1answer
3k views

Problems booting Ubuntu, “gave up waiting for root device”

I had very odd things happen after I decided to upgrade my Ubuntu 12.04 installation to the newer 13.10. I decided to upgrade version by version to avoid losing my configuration. The upgrade from ...
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0answers
25 views

How do I recover my original 11.04 installation and do a dual-boot installation of 14.04?

I was advised by @terdon to update my original question and put together the details that followed in response to various sugegstions. Here it is: I had a working Ubuntu 11.04 installation, ...