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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Windows7 is not starting

First I install Windows7 and then installed Ubuntu 14.04 32 bit. Now when I restart machine, there is option to start windows, but sometime it is starting and sometime it displays blank screen. I ...
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GRUB Loading, please wait … Error 17. How can I get my computer to boot?

I don't have a working CDROM and cannot boot from a USB as far as I know. I partitioned the HD and I think I made the mistake of making that partition a bootable one. Now I get the message: GRUB ...
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1answer
25 views

Unknown chipset drm failed after grub

I have been receiving this error every time I try to try Ubuntu or install it. I boot it in non uefi mode ( if its in uefi the screen is just blank) and choose my language. I pick an option and this ...
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77 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 ...
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0answers
529 views

{4.047432} ACPI PCC probe failed on Ubuntu 15.04 default boot

I've installed ubuntu 15.04 today & got this error. [4.047432] ACPI PCC probe failed on Ubuntu 15.04 default boot Don't know what happened I can't get to login screen. From advance option i'm ...
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1answer
27 views

Ubuntu boot menu showing up instead of Windows

I'm totally a newbie to Ubuntu, disk partitioning and stuffs. I had installed and un-installed Ubuntu(14.04 LTS) in an atypical way several times and screwed up my disk partitions. But when I thought ...
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1answer
14 views

How to Remove the bootloader and automativally start ubuntu 14.04

Currently I am using Ubuntu alongside Windows 7.I have decided to get rid of windows and gain some extra disk space.That's easy. But How am i Supposed to remove the Bootloader at startup and directly ...
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1answer
123 views

I keep getting these errors while installing Ubuntu 15.04 alongside Windows 8.1 in my laptop

I am trying to dualboot Ubuntu 15.04 alongside Windows 8.1 but I am unable to do so because I keep getting some errors. Steps that I did :- Created a LiveUSB Disk of Ubuntu 15.04 Booted into Ubuntu ...
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1answer
16 views

Why do I have to repair my booting when swapping harddrives in my laptop?

I bought a new SSD for my Lenovo Thinkpad W530 (I am not sure if hadware is relevant). I installed 15.04 on the new SSD in EFI-only mode with manual partitioning (/efi, / and /home partitions, ...
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92 views

cant boot to windows after installing ubuntu 15.04

okzz this is what happened.. i was earlier using windows 8.1 with dual boot Ubuntu 14.04, updated it to 15.04.. there was some bug after i updated it (desktop went all black after i updated it, ...
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3answers
41 views

Windows 8 doesn't show in GRUB 2, Bootrepair didn't help

I've spend the entire day on this problem, probably because I'm relatively new to Ubuntu. I installed Windows 8.1 after Ubuntu. First I wasn't able to start Ubuntu, but after Bootrepair I was. ...
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1answer
37 views

How do I create a bootable multiple OS DVD in Ubuntu? [duplicate]

I have downloaded a set of linux operating systems that include Ubuntu 15.04, Linux Mint 17, Fedora 21, ArchLinux and Bodhi linux. In totla, all sum up to a size of 4.4 gigabytes. Now what I want to ...
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38 views

Usb not booting from BIOS:“Missing operating system” but boot from GRUB2

I have a 500GB External Hard drive which I have installed Lubuntu on. When I try to boot from it in BIOS I get the Missing Operating System error but I can boot it from grub2 without a problem. Anyone ...
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1answer
36 views

Low screen brightness

If I turn on my laptop without charger, my screen brightness is very low, not only in Ubuntu desktop but in Grub too. I've got dual-boot, Windows hasn't got this problem. So can you suggest me any ...
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1answer
22 views

Formating help with dual boot [closed]

first i will try to explain what i did and whats the problem. So after almost 2 years i decide to format my notebook, i had one partition for Ubuntu and another one for Windows 8.1. i havent been ...
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1answer
24 views

I wanted to make duel boot. I had GRUB/Boot problem. I repaired boot using Boot-Repair tool. But In OS selcetion, there is only Ubuntu no Windows 8

I am new in Linux. My First Problem : I install Ubuntu 15.04 using Something else option in a new Partition of HDD. But Ubuntu start Directly without let me chose boot option I have Repaired boot ...
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2answers
44 views

How do I install two independent Ubuntu installations on a single hard drive with UEFI?

For security reasons I would like to install a secondary completely independent operating system on a single-hard-drive computer using UEFI. Both installations should be able using different LUKS ...
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0answers
58 views

Ubuntu Mate LTS 14.04 boot menu will not load OS

I am running ubuntu Mate 14.04 Lts and just recently I have not been able to boot with the grub boot manager. When I hit enter to load ubuntu, my screen freezes at the boot menu. I am able to login by ...
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0answers
14 views

How do I revert back to default Grub2 theme?

I recently installed the Matrix grub theme but now I want to revert back to the default Grub theme. But I'm not sure how to go about it. Under the /boot/grub/themes/ directory I can only find the ...
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32 views

Problem booting Ubuntu 14.04 - GNU GRUB

I had a problem when booting my Ubuntu. The issue is that yesterday I finally was able to install QT creator after fighting with broken dependencies. My guess, is that It also removed other ...
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2answers
295 views

GNU GRUB Terminal - Instead of Ubuntu login screen

Note: Before you mark it as duplicate, please read the question fully. I've been using Ubuntu 12.04 normally, but today when I turned my laptop on, and selected Ubuntu out of two options: Windows and ...
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0answers
221 views

Reduced battery life with ubuntu 15.04

I'm using a Lenovo Z-5070 Ci7. I had a battery life of nearly 4 hours when I was using Ubuntu 14.04 LTS. After updating to Vived Vervet (15.04) my battery life is reduced to nearly 2 to 2.5 hours. ...
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0answers
77 views

Something's wrong with my grub.cfg

I know that's pretty generic, but... I installed updates, which included a new kernel. I removed an old kernel and got: joliver@JOHN-DEV:~$ sudo apt-get purge linux-image-3.13.0-46-generic Reading ...
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23 views

Asus netbook shows white screen when booting

I Have asus net book and Ubuntu 14 installed. Whenever I start my netbook it shows white screen. I have to then restart and then goto advance option from grub menu and then select previous kernel to ...
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15 views

I am locked on the GRUB screen. Please help!

I was installing a new distro when my computer shut off, now I can't get out of the grub screen. This is a video from my iphone of what is going on.
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30 views

Ubuntu 14.10 not booting after being installed alongside Win7

I have installed Ubuntu 14.10 64 bits on my Acer Travel Mate b113e laptop alongside Windows 7 64 bits. I've tried easyBCD with no luck - it only shows an option in a selection menu, but when I pick ...
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3answers
165 views

Regex Conversion

I'm wanting to make a command to edit /etc/default/grub and change the timeout from 10 to 2. Could anyone explain how to do this?
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0answers
43 views

DualBoot Linux and Windows problem

I'm trying to put Ubuntu in dualboot with my pre installed windows 8. I have no experience in this area so I'm getting some problems that I can't fix: What settings should I be using in my bios ...
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0answers
18 views

I just installed Ubuntu 14.04 and now my computer will not boot into any system!

I've been running Windows 8.1 on my computer for a while, and recently bought a new hard drive to run Linux on. I installed Ubuntu, and now I am unable to boot into either OS. When I allow the ...
2
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0answers
56 views

Black screen after boot in Ubuntu 15.04 (x86_64), Intel HD5500 (i915 driver) [duplicate]

I know this question has been asked so many times (since 2011 from what I found out), but none of the responses seem to resolve the issue in my laptop, so apologies for the repetition. I tried ...
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0answers
11 views

What exactly is command like “iso-scan” in grub?

In grub manual, it's not mentioned as a grub command. It passed right after linux command. The grub manual says about linux command: Command: linux file … Load a Linux kernel image from file. ...
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1answer
35 views

Unable to load Windows in grub [closed]

I have Ubuntu installed alongside Windows8.1. Grub has the menu item for windows but if I recall correctly I only get message saying it is unable to mount the drive. I know the windows partition is ...
2
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1answer
508 views

Is running Burg on 15.04 possible?

Is it possible to have grub2 replaced with burg on Ubuntu 15.04? I had it on 14.04 but I'm struggling to get it on 15.04, does there need to be in a repository for 15.04 or something like that? If so, ...
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1answer
36 views

Get proper boot on Grub2

This question is very similar to others one but I haven’t find a precise answer to my problem. I have one hard drive, with 4 partitions : A first system partition with window's bootloader A ...
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0answers
15 views

How to shuffle partitions without massive copying [duplicate]

Here is my problem. I have a lot of partitions for different systems and I just copied my entire hard disc to a bigger one. So I find myself in this situation: PRIMARY-1 PRIMARY-2 PRIMARY-3 ...
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139 views

Plymouth on 15.04 in VMware

Anyone know how to get plymouth to work properly on 15.04? Can't get it working, here's what happens: http://www.mobypicture.com/user/cmdshft/view/18056762 I have looked all over and cannot get it to ...
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0answers
25 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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3answers
121 views

No verbose output on startup after upgrade to 15.04

When I was running Ubuntu 14.10 I was able to view the verbose output during startup and shutdown (which was very useful for me). But now that I have upgraded to Ubuntu 15.04 I get the verbose output ...
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51 views

Ubuntu 15.04 Server boot error

I'll boot my server, It shows ubuntu boot select page(?) very short, and print error. error: Diskfilter writes are not supported so I try to fix this bugs but my server still can not boot. ...
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0answers
36 views

Problem with grub during boot (Windows 10/8.1, Ubuntu 14.10)!!!!! Only Windows Boot [duplicate]

I've a laptop with Windows 10 ( TP build: 10041 ) and ubuntu 14.10 .... when i install ubuntu, reboots Ubuntu and there is no problem, but if I try to start Windows, in the next rebot, the grub dont ...
0
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0answers
41 views

Dual Boot Gone Wrong

So I tried to dual install Ubuntu 14.04 on a computer that already had Windows 7. Definitely got in way over my head. First I booted Ubuntu from a flash drive. Things went smoothly during the ...
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1answer
31 views

Can't Load Windows 8 after removing Ubuntu Dual Boot [duplicate]

I deleted Ubuntu and I can't load in windows 8 I get grub rescue. I have the installation disc for windows 8 and don't want to reinstall Ubuntu. I had this b4 but can't remember how I did it. Ubuntu ...
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0answers
18 views

GNU GRUB after Re-install

I just re-installed ubuntu because I "accidentally" (goofed off and removed some important system file stuff) ruined ubuntu. I picked the top option, something along the lines of "erase ubuntu ...
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0answers
520 views

Help with Kubuntu 15.04 Boot Repair

After updating from stable Kubuntu 14.04 to Kubuntu 15.04 Boot-Repair started to request an IOS image CD, Update to 15.04 was done via system Software Updater and 15.04 OS image is not available. ...
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0answers
15 views

“Unknown filesystem” before creating a dual-boot system

I deleted and formatted my hard drive into two partitions one ext4 for Ubuntu 14.04 and one ntfs for Windows 8.1. Before I only had Ubuntu 14.04. I wanted to begin by installing first Windows and then ...
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0answers
25 views

Unable to boot “ERROR: No configuration file found” - NOT USB STICK OR INSTALL

I updated my computer and it updated to the latest kernel. After a restart I get the following: ERROR: No configuration file found No DEFAULT or UI configuration directive found! boot: If I type ...
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25 views

Adding Android x86 NTSC to grub (from Elementary Freya)

As previous consults, I installed Android x86 next to windows, and after it, I installed Elementary OS Freya. And Freya ate the grub created by Androidx86 to put its own. I have tried some of the ...
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0answers
14 views

I lost Ubuntu after I install android x86 with new grub

My laptop only have Ubuntu 14.04, I installed android x86, I chose install grub when installing android. The computer show grub only with android after reboot. I tried put Ubuntu usb and reboot trying ...
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0answers
27 views

GRUB 0.97 menu after upgrade to 14.04 LTS on cloud VPS

After upgrade to 14.04 my VPS server shows only one menu item in GRUB - BOOT. If I select it i get Error 15. If I edit the line i get this: GNU GRUB version 0.97 (631K lower / 1571824K upper memory ...
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1answer
23 views

Safely uninstall ubuntu Dual Boot

I can't log into ubuntu anymore after an update, and would like to install linux light or Lubuntu instead. I read I could just delete the partition which I was about to do through windows 8's Disk ...