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".

learn more… | top users | synonyms (2)

1
vote
1answer
47 views

How to add an Ubuntu entry to grub menu? (CentOS dual boot)

I recently tried installing Ubuntu 14.04 alongside CentOs 6.7. I did this without using a live cd or usb by mounting the iso image to a 1.3GB partition (sda3). I was able to add a grub entry and boot ...
1
vote
2answers
28 views

Windows and Linux on different HDD and no grub, possible?

I have a notebook with one SSD and one mSATA. I'd like to install Windows 10 LTSB N in the SSD and Ubuntu 16.04 in the mSATA. Can I have those two installed without Grub 2? I mean, I only want to ...
0
votes
0answers
14 views

How Do I Change the Boot Loader to Load Ubuntu on a Different Hard Drive in Windows 10?

I've just done a successful installation of Ubuntu onto a brand new hard drive, but now I don't know how to load the Ubuntu OS. It does not show up when I boot my computer in the "Choose an Operating ...
1
vote
0answers
12 views

GPT, grub and mdadm. sda drive replaced, raid rebuilt in recovery mode, but now server won't boot

This is how partition table loooks like: (parted) print Model: ATA TOSHIBA DT01ACA2 (scsi) Disk /dev/sda: 2000GB Sector size ...
-1
votes
1answer
18 views

i only have one resolution 640x480 desktop looks zoomed in

ok i fixed this once but have no idea what i did system crashed and now im back to just entering random stuff that dosnt work off the 300 fourm pages about it. im conserned about edinting things that ...
0
votes
1answer
24 views

Failing GRUB installation and Boot-repair

Here is my earlier issue: Booting issue & Boot-Repair not working Despite of possible hard drive problems I have tried to install Linux Mint to my laptop via USB (Linux Mint because I'm not aware ...
0
votes
0answers
14 views

deleted /etc/grub.d/10_lupin on accident

i was playing around with sudo on accident,and I know it is a very harmful tool to play with,but accidentally,instead of typing sudo VI it took me to sudo /etc/grub.d/10_lupin. can this be repaired ...
1
vote
1answer
4k views

Start-up error (ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell! )

I got serius problem with ubuntu 14.04 please help me. When i start my computer its says following errors: — Boot args (cat /proc/cmdline) — Check rootdelay= (did the system wait long enough?) — ...
1
vote
0answers
20 views

how to speed Ubuntu 16.04 LTS bootloading time

Good day fellas, I recently replaced windows 10 with Ubuntu 16.04 LTS OS, now it is taking taking too long to boot. Below is the link I got after running boot-repair recommended settings ...
1
vote
6answers
4k views

Grub Customizer Theme Error - Can't Find “theme.txt”

What I've Done: Fresh Install of Ubuntu 14.04 Installed BURG on all 4 of my hard drives (plus hd0) Seems to work fine Install GRUB Customizer and run as root in BURG Mode Then I get this error: ...
0
votes
0answers
14 views

Ubuntu doesn't prompt for disk password when booting

I have an Arch partition installed on a LVM volume. It corresponding physical volume is in an encrypted partition (I used cryptsetup to do this). I installed Ubuntu Studio 15.10 in another logical ...
1
vote
1answer
30 views

Trouble in Boot Repair

I had a problem with my grub, it didn't recognize my OS, I have installed windows, ubuntu and kali. But then I tried to use Boot repair in a ubuntu live cd, and then I got to type. sudo chroot ...
0
votes
0answers
431 views

Dell inspiron 5558 UEFI dual boot problems

This is my second question here so again please forgive if I ask the obvious or duplicate a question. I know that there is a lot of threads on this topic but I seriously do not know which applies to ...
1
vote
1answer
3k views

Gennymotion unable to load virtualbox engines

When I start gennymotion this is the error message shown: Unable to load VirtualBox engine. Make sure that it is properly installed before starting Genymotion. For more information, please ...
24
votes
5answers
3k views
+500

Ubuntu Server 16.04 installs on /sdc but fails to boot

I am doing a clean install of Ubuntu Server 16.04 LTS on a machine with a single internal SSD. After completing the install, the system fails to boot and prints a single line fsck output, with the ...
0
votes
0answers
15 views

Ubunutu won't boot when secondary storage drive is removed

I have a secondary storage drive installed in the optical drive. If I remove this drive I cannot boot and get dumped into emergency mode. When I put the drive back in, I have no problems. Is there ...
0
votes
0answers
24 views

Ubuntu 16.04 - New install shows strange failed message

Just Installed Ubuntu 16.04 alongside Win 10, install completed ok, went to re boot and got this message so thought I would type it up here incase it is relevant to any troubles I'm about to have with ...
7
votes
4answers
20k views

Grub rescue after installing Ubuntu from USB

I have Windows 7 installed in my internal HDD and wanted to try out Ubuntu so I have an USB to put Ubuntu LiveUSB on and installed Ubuntu on a external HDD and everything worked out fine. Now the ...
2
votes
2answers
6k views

No boot option after installing Ubuntu 12.04 LTS on Acer Aspire 4736z with Live CD

I am facing a problem. After installing Ubuntu 12.04 LTS using Live CD, at the reboot there is no boot option to choose the OS. I directly get logged into my Windows 7. Before that i was having an ...
0
votes
2answers
5k views

Ubuntu 13.10 - Target filesystem doesn't have /sbin/init

After installing an update I restarted my computer. Ubuntu failed to boot, so I used boot-repair to try to fix it. After running boot-repair grub2 was removed and the Ubuntu os was no longer detected ...
2
votes
4answers
5k views

Black screen when trying to install ubuntu 13.10

I am in need of some help. It has been 2 weeks since I bought my first ever windows laptop with the aim of replacing windows but I have been unsuccessful. The hardware is as follows : Asus 15' F550D ...
0
votes
4answers
39 views

Being started of Ubuntu

I am a new comer of Linux. I went into the official website of Linux and it recommends me to use Ubuntu. And I have some questions about Ubuntu. Is Ubuntu free of charge? Now I am using Windows, do ...
0
votes
1answer
36 views

BURG doesn't identify Windows 10 but GRUB2 finds windows 10

Well, I really hated GRUB2 's UI. So I thought of moving to BURG. I'm using Windows 10 with Ubuntu 15.10 and Kali-Linux Triple-boot. i installed BURG though ...
28
votes
4answers
87k views

How do I safely change grub2 screen resolution?

I did a fresh install of Ubuntu 11.04 on a HP 550 Notebook. But grub2 isn't really fit in the best screen resolution that this Notebook can support (1280x800). How can I do this without using a ...
0
votes
0answers
20 views

Add grub menu for OS X

I installed Ubuntu 16.04 Desktop on my MacBook Pro, and cannot boot OS X now. My disk partition table is: Device Start End Sectors Size Type /dev/sda1 40 409639 409600 ...
0
votes
1answer
5k views

GNU GRUB black screen on boot

I have a Windows 8.1/Ubuntu 12.04 dual boot, and it has been working just fine in the past. I was working with Windows 8.1 today and chose Restart after being done and it took me to a black screen ...
0
votes
3answers
164 views

Cannot boot to Ubuntu after Windows 7 installation and “boot-repair” does not work

I hope someone here can help me: I re-installed my Windows 7 partition and now I cannot boot to Ubuntu 14.04 any more - no grub boot-menu is display instead directly the "Loading windows" screen is ...
0
votes
5answers
9k views

Stuck in GRUB Rescue Mode

I messed up my new laptop while trying to set up a dual-boot with Ubuntu and Windows 8.I did a whole bunch of stuff trying to get it to work and now when I try to boot I get stuck in GRUB's recovery ...
1
vote
2answers
29 views

GRUB2 Installation failed Dual boot ubuntu with windows 8

I am having hp pavilion g6 2320tx with windows 8 preinstalled with the UEFI mode I am trying to install ubuntu alongside Windows 8 but it fails every time giving me the error that grub2 was not ...
-1
votes
0answers
20 views

Dual-boot - grub failed to install

i am trying to dual boot windows 10 and ubuntu. I already have win 10 installed in non uefi mode and i am trying to install ubuntu (also non uefi) on the same SSD. I do have Secure boot disabled. I ...
0
votes
1answer
24 views

I have a problem with dual boot after setup

Today I have downloaded Ubuntu but I can't use Ubuntu with windows like dual boot, for everytime I have to change boot order by hand while setuping Ubuntu I didn't prepare memory for Ubuntu by Hand it ...
3
votes
3answers
4k views

Grub won't boot windows after update from 11.10 to 12.04

thanks for your time and reading this, here's the deal: i upgraded from 11.10 to 12.04 and everything worked out until i rebooted, i had 11.10 sucessfully running as a dual boot with windows vista. ...
1
vote
2answers
2k views

Cannot boot to Windows 8.1 after installing Ubuntu

The issue is fixed, I had forgotten to change boot mode and boot priority in BIOS to UEFI and UEFI First, and also 'Optimize for' from 'other OS' to 'Win8 64bit' First of all, sorry if this question ...
0
votes
1answer
99 views

Cannot boot to Windows after installing Ubuntu and running boot-repair

I installed Ubuntu 13.04 on to a 2nd drive (sbd2) whilst the first driver (sbda) has Windows 7. When I rebooted I was not given the grub bootloader and booted straight to Ubuntu. After running ...
1
vote
1answer
112 views

Does this answer work for UEFI computers?

One of my most popular answers is instructions on how to repair grub. Over time, others have contributed bug fixes to the answer. A recent comment, though, made me wonder if it works on newer UEFI ...
0
votes
0answers
13 views

Trying to boot from usb stick but I get to GRUB instead

I already have Ubuntu Studio 14.04 alongside Windows 7, but I'd like to try the latest version of the OS that I flashed on a USB stick. However, even if I select to boot from USB on my computer's boot ...
181
votes
9answers
283k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
-5
votes
0answers
42 views

Ubuntu software is not opening ubuntu 16.04

ubuntu software is not working ubuntu 16.04
0
votes
0answers
7 views

Grub2 doesn't display correctly - most of the time (inspiron 1090)

I have a Dell Inspiron Mini Duo (1090) with a 16GB samsung SSD and a fresh Ubuntu 16.04 installation. My issue is with Grub2. Most of the time, when the laptop starts up, all I get is a blank maroon ...
-1
votes
1answer
22 views

I've deleted my grub loader from hard disk

My data(pictures, musics) is present in my hard disk. While installing cublinux i had selected loader location in pen drive, so when i start my computer without pendrive it is not starting. Everytim i ...
0
votes
0answers
17 views

Can't boot up a persistent Live USB with Ubuntu 15.10/16.04

So I've created a bootable live usb with Lili and UNetbootin without persistence, which boot up perfectly fine, but when I shrink the partition and create an ext2 or ext4 partition labeled casper-rw ...
0
votes
0answers
10 views

Access to hard-drive when machine won't boot

Recently I tried to downgrade my kernel (from 3.13 to 2.6.24), and I made sure that the 2.6.24 kernel compiled and installed without any errors. I also updated the grub file to boot with the newly ...
0
votes
2answers
103 views

Ubuntu 16.04 has no VMWare console access once booted on VMWare vSphere 5.5 Cluster with EFI

I installed a fresh Ubuntu Server 16.04 on our VMWare cluster to try it out and begin building a template for it. After install, the IP address is displayed and it seems to work if I SSH into it, but ...
0
votes
0answers
13 views

Easybcd not detecting Linux Grub

Firstly, I'm an amateur (read novice). I "successfully" (that was the message) installed ubuntu ion my windows 10 system. However, Grub was not detected either at startup or by Easybcd and in ...
0
votes
0answers
12 views

missing UUID of my root partition f2fs

Found some tutorials how to migrate my root system from ext2 onto another partition with f2fs. Unfotunately my f2fs partition hsn't got an UUID. Hence on a SSD and normally I'm booting it in virtual ...
4
votes
3answers
15k views

Cannot boot to Ubuntu, though installation was successful

I installed Ubuntu 12.04 on an HP Pavilion H8-1228 computer via USB flash drive. Installation was a success. My computer still starts Windows, but there is no way to boot to Ubuntu. I tried hitting ...
1
vote
1answer
5k views

Ubuntu 12.04 & Mac Os X - GRUB Rescue prompt SET commands made permanent?

I recently re-installed my Mac OS X partition. This somehow messed up my entire partition scheme it seems. First I got dropped to the Grub rescue> prompt when trying to boot Ubuntu. I had never ...
1
vote
2answers
903 views

Grub rescue Unknown filesystem error

I have an HCL ME laptop which has a built in windows 7 os. 3 days before I have installed windows 8 along with windows7. Yesterday I have downloaded ubuntu 14.04 iso and installed it using portable ...
0
votes
0answers
26 views

Dual boot windows7 no GRUB goes straight to Linux

I know this is a common issue with many posts about it but can't find any with same scenario. I have 2 hard disks (SATA + SSD). I installed and had Windows 7 running in the SSD one that (I found ...
1
vote
2answers
4k views

Boot loading problem after Wubi installation of Ubuntu 12.04 on Windows 7

I was new in Ubuntu OS and I was just trying to use wubi windows installer to get a Ubuntu first for hands-on. I followed exactly the same as the instructions and after reboot win7, there is no ...