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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Problems with GRUB rescue mode

I've been having some issues with a laptop. This laptop was running Ubuntu 14.10, I was going to install Windows 8 on it through an USB stick, I formatted the drive through the Windows' setup, but a ...
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1answer
18 views

rEFInd Question: Remove multiple boot items?

Just installed Ubuntu on a separate drive (not partitioned with any other OS), as well as rEFInd, on my Mac Pro. I managed to get it all to start up properly and can boot to any of the locations from ...
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16 views

How to make grub in a USB recgonize a non-linux operating system?

Basically, i made just a lightweight and open-source operating system. I will be using grub2 to boot into the operating system, however it is not a linux distro. How i customize grub2 to boot into my ...
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1answer
20 views

Removing Kernels from grub

My grub has the following versions which I want to remove. Ubuntu, with Linux 4.1.0-rc5-next-20150529 Ubuntu, with Linux 4.1.0-rc5-next-20150529.old Ubuntu, with Linux 4.1.0-rc4-next-20150525 ...
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5 views

Unplugged old bad disk, ran update-grub, but old menu options (on unplugged disk) still appear

so this must be a common problem. I had an old Windows machine with a disk that started to go bad (just some bad spots, corrupted files). So, I installed a new disk beside the old one and put Mint ...
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29 views

Ubuntu and Ubuntu Server on the same laptop

I have installed Ubuntu 14.04 from a USB (using UNetBootin) on my laptop, on a freshly formatted hard drive, and then I installed Ubuntu Server 14.04 from a USB (made again with UNetBootin), and ...
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18 views

Error: unknown file system. Deleted ubuntu and got this

I was dual booting windows and ubuntu. Whenever I started my computer I'd get to choose between which OS to boot on. But now, I was on my Windows 7 and deleted ubuntu. I restarted my computer and got ...
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19 views

Windows XP missing hal.dll error after installing Ubuntu [migrated]

I was dual-booting and I wanted to make some unspecified partition space and I've decided I didn't really need my 14.04 Ubuntu so I deleted the partition of it with an Ubuntu Live CD. Since grub was ...
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8 views

Linux full disk encryption password prompt completely unreadable

After a few updates ago , my computer as it boots up and asks for the hard disk encryption passphrase the menu is completely unreadable. This doesn't bother me too much, but I am curious if there is a ...
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18 views

Ubuntu Server not booting up after install

I have a HP ProLiant Gen8 server with two 3TB HDDs and 16GB RAM and a 16GB Kingston USB. And I'm trying to install Ubuntu server on the 16GB USB, i followed the steps in the installation process and ...
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1answer
18 views

How can I access GRUB in Windows 8.1

I have a laptop with Windows 8.1 installed. I installed Ubuntu Gnome 15.04. I can not access the GRUB to select Ubuntu, the computer just boots straight to windows. I have found the following ...
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1answer
17 views

How to find file on random partions then mount that partition

Im trying to write a batch script that will find a specific file (EX .homemnt) on a random partion then mount that partition to what ever location I want (EX /home).. Added notes: Will be used on ...
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1answer
22 views

How to boot directly into Windows 10 from grub on Windows8.1-Windows10-Ubuntu15.04 tripleboot system?

I have a tripleboot system having Windows8.1, Windows 10 and Ubuntu 15.04. When I choose Windows from grub menu, it takes me to Windows bootloader giving choice between Windows 10 and Windows 8.1. How ...
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1answer
22 views

Will updating the BIOS remove my Ubuntu EFI entry?

I have an HP ProBook G1 with Windows 8.1 OEM on which I installed Ubuntu 14.04 LTS in dualboot. This laptop has a BIOS that makes it difficult to change the default boot loader called at hardware ...
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8 views

Grub Error: Unknown filesystem(Tried with Boot-Repair also, Unable to resolve it)

I have a dual boot in laptop which consisting of Ubuntu along with Windows7, But my laptop is showing the error Grub Error: Unknown filesystem when booting. I tried everything in the web and followed ...
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7 views

Grub Error: Unknown filesystem(Tried stuff everything, but unable to resolve it)

I have a dual boot in laptop which consisting of Ubuntu along with Windows7, But my laptop is showing the error Grub Error: Unknown filesystem when booting. I tried everything in the web and followed ...
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1answer
13 views

Acronis Extended Capacity Disk

I have a Western Digital Black 4 TB Hard Drive in my PC running Windows 8.1. To get past my PC's 2 TB limit I have used Acronis Extended Capacity Manager to gain access to hard drive space beyond the ...
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1answer
34 views

Which partition to install Ubuntu in so as not to erase/make more bad things happen to Windows?

I'm trying to install Ubuntu alongside Windows, but not within Windows. I want to use Grub as the bootloader instead of the Windows MBR. I was installing off the liveDVD for 15.04, the amd64 version. ...
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34 views

Unable to boot Windows after installing Ubuntu

I had Windows installed on an NTFS partition. I freed a partition and installed Ubuntu successfully on it. I booted to Ubuntu once but after I restarted, I wasn't able to boot into it again and all I ...
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1answer
19 views

Ubuntu will not boot all the way

Recently, my computer lost it's ability to normally boot ubuntu. I am very perplexed as to why it may be happening. An interesting clue: about a week ago, I was trying to move some files around into ...
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1answer
27 views

Migrating to new SSD, not booting! (GRUB not loaded)

I got my new SSD today, and used dd to burn the Ubuntu 14.04 image onto a USB. Then I swapped the internal HDD with my new SSD. I booted into the USB, and installed Ubuntu to the SSD. I manually ...
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6 views

Will Biosdevname stay disabled when I update my system?

I wanted my server, 14.04.2, to use the old style of network interface naming, e.g. eth0. I used the Biosdevname part of the answer found here, editing /etc/default/grub but not purging the ...
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12 views

Booting OS of Ubuntu 1.1.20.0-8ubuntu1

I have a problem in booting version 2.00-13ubuntu3 moving to recovery mode, it requires me to fill the initramfs using built-in-commands which i dont know how to add them. Help me
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18 views

Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then took out the existing HDD and swap in a new HDD to install linux on it with uefi. ...
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1answer
46 views

My ubuntu is corrupted

I have a dual boot - Ubuntu and windows 7. I recently wass playing around in the ubuntu and used the 'dd' command and it kinda corrupted my linux file system. I exactly dont know what happened to ...
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1answer
12 views

“The disk drive for /media/ext-hdd is not ready yet or not present” is shown every boot time

I used ubuntu 14.04 and windows 8.1 as dual boot. windows was in sda2 drive. I removed windows and sda2 drive became empty which was not writeable. I was able to write in that drive following this. ...
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8 views

What to do when I suddenly get an “attempt to read or write outside of disk 'hd0” error,and ubuntu 14.04 was working just fine the last night?

This morning when i turned on my laptop, it showed this error Error:attempt to read or write outside of disk hd0. Entering rescue mode... grub rescue>_ I immediately shut down my laptop and ...
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1answer
36 views

How do I fix boot problems after installing Ubuntu 14.04 alongside Windows 8.1?

I installed Ubuntu 14.4 (64bit) alongside the pre-installed windows 8.1 (64bit) on my laptop Dell Inspiron 7548 around 1 month ago (UEFI partition). For this purpose I used liveUSB according to ...
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0answers
29 views

PC boots straight to Windows [duplicate]

I dual-boot Ubuntu and Windows. For a few days now I have the problem that when I boot, the computer boots straight to Windows. I already changed the BIOS boot device to the Ubuntu HDD, but no ...
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12 views

Ubuntu Live on Pendrive: How can I default booting to Ram Test?

I would like to create some Ubuntu Live pendrive for booting Ubuntu, but most often testing RAM: So, as long as the most usual behavior of this boot manager would be the RAM testing, I would like ...
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20 views

Ubuntu Boot/grub message

I'm sure you have seen this question before and sorry to waste your time but I have 2 computers that use Ubuntu 14.04 and the laptop shows an error message when switched on: error: file ...
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1answer
20 views

Windows has not been removed from dual boot

I have removed windows 8.1 from dual boot Ubuntu 14.04 following this tutorial . I used the OS uninstaller as described in that tutorial. But still when i boot PC, I see that windows has not been ...
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3answers
19 views

Installed grub to wrong partition

I was helping a friend remotely to dual boot Ubuntu with Windows 8. He installed Ubuntu to /dev/sda7 and when it asked for where to put the bootloader, he selected the same (/dev/sda7) When he ...
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1answer
14 views

grub-install dev/sdb1 gives error

I am trying to install GRUB into my USB, but it is always giving this error in normal mode: Installing for i386-pc platform. grub-install: error: cannot delete `/boot/grub/i386-pc/sleep_test.mod': ...
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20 views

ubuntu fails to boot after erasing windows

I have been having problems with my sister's Lenovo ThinkPad L440. She erased her windows partition alongside Ubuntu. It had a 100 MB boot partition and the actual OS. It was not surprising that it ...
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0answers
19 views

Used my laptop to install on usb. Now cant boot the hdd install. urgent

Im writing this from my phone because i messed up big time and need to fix it asap. I used my ubuntu laptop to make installed ubuntu on a usb stick (booted from live usb to make it) I choose the usb ...
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0answers
15 views

alert does not exist. dropping to a shell (external disk)

It used to be simple start the system from an external disk/usbstick. "But why make it simple when you can do in complex" I am trying boot ubuntu from USB-stick (xubuntu that is). What I have done ...
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1answer
69 views

Booting Ubuntu 14.04 from External HDD

My laptop has Windows 8.1 64-bit and since I have few space on my SSD, I wanted to install ubuntu in an external HDD. From the UEFI settings I disabled the safety boot, fast boot and so on, and I set ...
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1answer
26 views

Dual booting windows/ubuntu not showing windows

I had Windows 7 installed on my PC and tried to install Ubuntu 14.04. When I restart my computer, grub only shows Ubuntu, so I think I may have accidentally deleted Windows in the process. I ran ...
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1answer
76 views

How can I boot into Arch Linux using initramfs, in Ubuntu's grub?

I have two hard drives, with two corresponding Grubs. One is from Arch Linux, and the other is from Ubuntu. Using Arch's grub, I can boot into either distribution. However, using Ubuntu's grub, I can ...
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28 views

How do I move empty space on hard drive

I have a 500GB hard drive, internal, and it is split as follows: Partition Type Mount Point Size Used Flags 1. /dev/sda1 ntfs /media/BackupHD 433.55GiB 408.76 boot 2. ...
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1answer
11 views

Ubuntu 14.10 | Logitech Unifing | No Keyboard nor mouse during Grub choice menu

Almost all is in the title ! I'm unable to use up/down arrows on my K800 wireless Logitech keyboard (No advertising, just trying to be accurate!) Once grub choice menu passed after time out, both ...
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0answers
18 views

recovery of files from the home folder to delete the kernel by accident

I'm starting to use linux and decided to use ubuntu 14.10 mate! one of them was that of an innocent I ended up deleting my kernel system in order to increase the space in the folder/boot ja that my ...
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1answer
28 views

Can't dual boot windows 8 and ubuntu.?

I have successfully dual booted ubuntu and windows on my sony vaio laptop. The thing is when i logout of ubuntu and restart the computer, then boot with windows, the next time i try to boot into ...
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24 views

What is ideal partitioning scheme for triple booting Arch, Ubuntu, Windows 8.1?

Shown below is my current partition configuration (which is supposed to triple boot) with, 350MB partition for bootloader and MBR of Windows, I guess 100GB partition for Windows 8.1 45.02GB partition ...
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2answers
74 views

Easiest way to get GRUB bootloader to appear first

so here's my problem. I'm running a dual boot Win8/Ubuntu 14.04 LTS setup, I forgot to install the GRUB bootloader when I was partitioning for the Ubuntu 14.10 installation. This forces me to boot ...
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17 views

Plymouth,show both boot text and splash screen [on hold]

Is it possible to make plymouth show both the boot text and the boot splash screen?If yes,how exactly?
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89 views

No GRUB after install ubuntu 15.04 with windows 7 Tried boot-repair and EasyBCD

I'm new to Linux or Ubuntu, installed Ubuntu in one computer no problem. On this Sony can't make it work. Already try boot repair, Easy BCD 2.2 from windows and still doesn't work. Received this ...
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0answers
20 views

Ubuntu Studio 14.04.2 LTS AMD64 boot issue

Fresh install, no dual boot, 2TB brand new HDD, 4GB RAM, brand new Toshiba Satellite NB15T, LUKS encrypted drive, encrypted home folder as well, MD5 checksum's verified, default installation (and ...
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1answer
17 views

Kernel Panic at boot Xubuntu 14.04.2

I'm receiving a kernel panic when I try to boot Xubuntu 14.04.2 - this is my System: Windows 8 (sda2) Xubuntu 14.04.2 (sda7) Kali Linux (sda9) First, I installed Xubuntu next Windows. That was no ...