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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Problem in booting from new installation of Ubuntu 14.04 to a new ssd Hard disk

I try a lot of times to install Ubuntu 14.04 toy a new disk in my desktop. But grub never worked. After reboot always goes to rescue grub command line with the message can “open” the disk see image 1. ...
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1answer
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Linux ubuntu can load grub after deleting windows 8.1 dual boot see reults.txt below

Boot Info Script 0.61 [1 April 2012] ============================= Boot Info Summary: =============================== => No boot loader is installed in the MBR of /dev/sda. sda8: ...
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1answer
37 views

Ubuntu UEFI Dual-Boot without boot repair

I have an HP Pavilion with Windows 8.1 pre-installed. I managed to dual boot Ubuntu 15.04 successfully. Then, I replaced the Windows Boot Loader with the grub loader as default by entering this ...
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2answers
25 views

Need to fix admin group but can't get into recovery mode with grub_timeout=0

I've gotten myself into a bit of a unique situation. Somehow my main user got removed from the admin group and no longer has sudo privileges. However, sometime in the past I also set my grub_timeout ...
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1answer
21 views

How come I don't see grub every time I boot? [duplicate]

I have noticed that when grub boots up I don't get a black screen on my monitor. I want to make it so that it will show every time I boot, not just when I turn it off manually and then turn it on ...
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1answer
24 views

Dual booting doesn't load Windows anymore

The grub2 used to work just fine with a purple screen pause and used to load Windows and Ubuntu as required. I used to run both OS on the same machine and both used to work just fine, but now when I ...
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1answer
17 views

Keeping Windows Bootmanager

When installing LinuxMint it assumes it is the only operating system and replaces the perfectly working Windows Bootloader with grub2. How do I prevent the Linux installation to mess with the boot ...
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1answer
35 views

Ubuntu Boot Problem00

so I have a very depressing problem actually. I'm not sure what I have exactly done, but I'm pretty sure its within the limits of removing the Windows boot loader partition that remained after I ...
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0answers
39 views

How to install ubuntu along with pre-installed window 7 home premium (UEFI) in sony vaio sve14a15fn

I really tried alot to install ubuntu alongside with my preinstalled window 7. also, read many articles posted on internet regarding dual window installation. But nothing is working for me. So, I need ...
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2answers
14 views

Add new menu items to Grub boot menu

I need to remove one existing boot menu item and add two new ones related to my second disc partitions in my Grub menu. What is the best way of doing that?
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1answer
56 views

Kernel Panic when attempting to boot Ubuntu 15.04 CD on older computer

I have an older machine that I would like to install Ubuntu to. When the computer sees the CD and attempts to boot from it, the Ubuntu colour will appear and the accessibility and keyboard icons will ...
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1answer
217 views

Will upgrading my Windows 7 partition to Windows 10 affect GRUB? [duplicate]

On my laptop, I had Windows 7 Home Premium preinstalled. A year or so ago, I dual-booted it with Ubuntu 14.04 LTS. I now want to upgrade Windows 7 to Windows 10 (it's free, so why not?) when it's ...
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25 views

Failing to boot Ubuntu 14.04 server from raid1 array

I am trying to install Ubuntu server (14.04 LTS) in a raid1 configuration. The machine will be a network video recorder, recording video from IP cameras and storing for a period of time until space ...
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13 views

Encrypted LVM Disk Password not “in box”

After a recent installation of Kubuntu 15.04 using encrypted LVM, I have the following problem. When I boot the system, the pretty Kubuntu encrypted disk password screen appears, but when I type the ...
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0answers
22 views

Deleted EFI boot files

I had a perfectly functioning windows 8 / Ubuntu 14.04 dual boot set up on my Surface Pro 3. I was using the rEFInd bootloader and I decided that I would like to return to Grub bootloading. In my ...
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1answer
101 views

Install Ubuntu 15.04 alongside Windows 8.1

I know the question is repeated but my question pertains to a very specific issue and is likely to be useful for future users who would install 15.04. I read the original answer and it says there ...
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1answer
26 views

Ubuntu 14.04 fails to boot on restart or cold-start , grub appears on Ctrl+Alt+Del

I have installed Ubuntu 14.04 with encrypted installation and encrypted home folder. But my Ubuntu fails to boot in restart or cold-start.I see the power LED burning but no HDD LED activity.If I press ...
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1answer
85 views

Ubuntu 14.04 GNU GRUB 2.02 beta2-9 add menu entry

Is it at all possible for me to add a menu entry in this version of GRUB2? All solutions that I have been able to find online involve editing 40_custom, but gedit, vim, etc are all legacy GRUB ...
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2answers
44 views

I tried removing Ubuntu and now I can't boot into windows [duplicate]

I am brand new to all of this. I had a dual boot system going on. Everything was going pretty well for a while and I was really enjoying everything. I was having some serious issues and there didn't ...
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38 views

Deleted linux partition from windows, don't have any ISO backup, can I recover grub?

This may look like a duplicate but my situation is quite different:- I always create two partitions to install Ubuntu- swap and root. I create LiveUSB first and THEN delete the previous linux ...
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17 views

Boot repair: “GRUB is still present. Please try again ” message is displayed while reparing the boot having windows 8.1 and ubuntu 14.04.2

I was dual booting winodws 8.1 and ubuntu 14.04. I have Reinstalled my windows 8.1 x64 After that i am always getting into windows. GRUB menu is not displayed. I downloaded Boot-repair and after ...
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1answer
31 views

Recover Ubuntu partition (no show in GNU GRUB)

Background: Ubuntu 14.04 dual booted with Windows 8.1 I was trying to install package libudev1:i386 apt-get was throwing a bunch of missing/broken dependencies I tried aptitude install -f ...
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3answers
40 views

Howto install onto a software RAID?

I am trying to install onto an ASUS system with an LSI (fake) raid controller. Unlike debian, ubuntu 14 detected it and installed drivers and utilities. Then it creates a RAID 1 as directed. All is ...
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31 views

Completely shagged my laptop with LILO

They say curiosity killed the cat- well I have managed to kill my computer by incorrectly installing lilo. I don't actually know why I thought I needed to install it but regardless, I need someone who ...
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1answer
36 views

Recovering Ubuntu 14.04 after installing Windows 7 [duplicate]

How can I reuse/access my Ubuntu 14.04 Operating System(OS) to get my important files. My Hard disk drive(HDD) is partitioned into two.I had previously installed both Windows 7 and Ubuntu 14.04 (on ...
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1answer
22 views

Which edit functions are acceptable in grub?

I made a major mistake by putting in this code: vim /etc/lightdm/lightdm.conf and then changing the line greeter-session=unity-greeter to greeter-session=lightdm-gtk-greeter But now I get ...
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1answer
45 views

modprobe loads incorrect directory, or maybe it's depmod generating the wrong directory path? Linux can't locate modules.dep either way!

On a fresh install of Ubuntu 12.04 (disc check and md5sums all OK) I get this error on startup, which renders the mouse and keyboard non-functional after booting from grub; modprobe: FATAL: Could ...
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0answers
29 views

Ubuntu 15.04 update

Just installed an 15.04 update and I cannot boot my laptop (get the GRUB command line) nor can I boot my laptop from a USB flash drive (just stops after a few seconds). I have a MSI PE70 2QD. I have ...
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1answer
51 views

Cannot boot into Ubuntu after install

I installed with what I thought were the recommended partitions but I think I may have done something wrong. I'm not loading windows or any other OS and I don't have anything indispensable on the ...
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2answers
29 views

How to change grub timeout to zero? [duplicate]

I can not change this value, I establish zero but when you start your pc grub menu appears for 15 seconds until it self-select. GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true ...
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1answer
23 views

Deleted Fedora partition, can't boot into Ubuntu

I have installed Windows 7, Windows 10 TP, Fedora and Ubuntu in my computer. I have logged into Windows 7 and deleted the Fedora partition and since then I can't boot into any OS. I am struck at grub ...
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0answers
13 views

installing ubuntu 14.04 LTS on ASUS UX303LN [duplicate]

i'm trying to install ubuntu on my laptop asus UX303LN in dual boot mode, but i got some problem. my configuration : GPU : GT840m, Hd 4400 CPU : i5 - 4210u HDD : 500GB SecureBoot : Disabled CSM : ...
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2answers
81 views

Problem with dual-booting Ubuntu 14.04.2 and Windows 7 x64 Ultimate

I have a very interesting question. Okay, so when I boot Ubuntu 14.04.2 x64 from my USB stick, it doesn't detect Windows 7! I have tried to convert my disk to basic, but I don't seem to have an option ...
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0answers
27 views

Can't dual boot ubuntu with windows 8.1 on ASUS ROG Maximus VII Formula

I have a desktop with following specs: Asus ROG Maximus VII Formula motherboard Intel i7 4790k processor Nvidia GTX 970 graphics 3TB WD Hdd I am not able to install ubuntu 15.04 with windows 8.1 ...
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1answer
26 views

GRUB won't start with USB storage attached

If I start my system with a USB HDD or Flash Drive (thumb stick) attached, GRUB fails to load. Particularly, it just hangs with a blank screen. Normally I would disconnect the drive and reboot, and it ...
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0answers
18 views

No native resolution available on grub/915resolution on Grub-efi

When I had grub-pc on MBR legacy bios mode (a long time ago), the screen resolution was the native one on my laptop (1366x768 on the ThinkPad x220). However, now I'm using EFI, and videoinfo shows ...
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2answers
42 views

how to get windows back on grub menu [duplicate]

I had wubi installed on my pc with Windows 7 and recently I removed wubi and the partition I had my wubi installed (I removed wubi because I had installed Ubuntu on a separate partition as a dual ...
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1answer
46 views

Ubuntu will not boot on Chromebook C720

I've recently installed Linux on my Chromebook, and it’s turning out to be a complete nightmare. It’s a Chromebook C720. My first problem is that Ubuntu will not boot. Whenever I enter the user name ...
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1answer
51 views

Grub-customizer does not change the appearence of grub

I am trying to get Grub to look nice. But, for some reason the changes do not apply. I tried background images, (custom ones and the ones from grub2-splashimages), color changing (all the options), ...
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0answers
10 views

Boot-repair inform-problem with Grub2

After the last actualization for Ubuntu 12.04, the day after I turned on my computer and had no Grub. Then I used Boot-repair from How to Geek and Guía Ubuntu too, but when it should finish show this: ...
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0answers
11 views

Screen magnified from start

From a couple of days my pc screen right from the start i.e grub loader to the ubuntu 15.04 has been enlarged around 50% more than normal. I checked memory test and nothing wrong showed up. What can ...
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0answers
34 views

Install Ubuntu with two drives and UEFI [duplicate]

I have a very specific question about my installation atempt of ubuntu. The situation: 256GB SSD with Windows 7 64bit installed on it 1TB HDD with a 700 GB nfts partition used for music and other ...
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2answers
20 views

Need Help, Cannot recover my Linux Partition

I had Dual Boot (Ubuntu/Windows7), installed ubuntu 14.04 LTS after windows 7 with the option in ubuntu's installation "Install Ubuntu alongside windows 7". after 2 years of usage and less disk space ...
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0answers
14 views

Graphics screen instead of GRUB 1.98 for dual boot Ubuntu/Windows

I want to have some graphics instead of a regular GRUB screen when selecting which operating system to boot. I know about grub_customizer, but it doesn't really do what I need, it's pretty limited in ...
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0answers
35 views

When I turn on my Computer, get Grub> in Promt

After installing the last update for Ubuntu 12.04 when I turned on my Computer on the next time, I had no Grub with black screen. I used Boot-repair but didn't worked. So I used it again and before it ...
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0answers
40 views

Operating system not found after hard shutdown

I've been using Ubuntu on my hard drive for a long time and this is the first time I've gotten this problem. My laptop doesn't detect my hard drive after a couple of accidental hard shutdowns and on ...
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1answer
39 views

I want the Grub menu to not show up, but some chages don't seem to affect anything

I currently have this file setup in the /etc/default/grub loader: GRUB_DEFAULT=5 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> ...
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0answers
16 views

Help: need to install every thing including boot loader in another drive

I have an old laptop whose C and D drive have lots of bad sectors but none in other drives. I have been keeping an eye on bad sectors and they are not increasing. I installed Ubuntu in E drive but ...
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2answers
128 views

Windows 7 Loads Automatically After Ubuntu 15.04 Install

Recently installed Ubuntu 15.04 on my laptop alongside Windows 7. It was installed on a partition on a Samsung SSD and everything seemed to install fine. The partitions seem correct and everything ...
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1answer
109 views

Ubuntu 15.04 + AMD,purple screen when booting after install,stuck at initramdisk

I installed Ubuntu 15.04 on a Seagate expansion drive. I tried booting it up from my machine, but it hangs (and I waited over 30 mins, just to be sure). I tried using the drive from an Intel based ...