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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Trouble booting Windows from GRUB [duplicate]

I have a Lenovo Y700 and I installed Ubuntu 16.04 yesterday. I downloaded the iso and installed it in my USB drive using YUMI. I had a problem trying to boot from the USB since it wasn't recognized. I ...
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1answer
17 views

Grub2 broken after editing grub.cfg

In attempting to update the bios on my machine so that it would allow me to utilize all of the installed RAM, I found instructions on adding the option to the GRUB bootloader menu. Since the only ...
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22 views

Android kernel must load after booting in virtual box (lubuntu 16.04)

I dont know GNU GRUB version 0.9.7 after create fake sd card. I dont know.Formate in extr3 and after after installation I had no problem. will not let me download music, games, video if it is not ...
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2answers
69 views

I accidentally deleted dev/sda3 and my system won't boot

I deleted dev/sda3 you can see here how it was, my system won't boot and I tried to use boot repair; but, it shows me an error message that says "GPT detected. Please create a BIOS-Boot partition". I ...
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6answers
17k views

After installing Ubuntu I can't boot Windows 8 anymore

I just bought a new laptop (a lenovo ideapad Z500) and it came installed with Windows 8. I wanted to have Ubuntu on it too, therefore I resized the Win8 partition from the control panel and installed ...
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0answers
18 views

grub menu issue after windows 10 update

I recently updated my Windows partition to Windows 10, and it removed the grub menu. I have experienced this before, and there is much online about it. However, I have an issue that I haven't found a ...
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4answers
127k views

Failed to get canonical path of /cow

I am trying to install Ubuntu 12.10 for quite some time, and passing hurdles one by one. Now I am in a situation as follows. I have got a PC and 10 GB HDD which will be totally dedicated to Ubuntu so ...
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2answers
266 views

Grub Failing to install - Installation crashes

I have tried multiple times to install Ubuntu 16.04 LTS on my Mac Book Pro 2011 with a TakeMS SSD and a Hitachi HDD. The problem is though that it copy's files and that fine but as soon as it gets to ...
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1answer
117 views

Installing 16.04 to an external usb hard drive

I am doing a full install of 16.04 to an external 300gb USB HDD. I have followed all the instructions (booting from live media, then using the install option, taking care to setting the grub to point ...
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0answers
52 views

How to turn off the filesystem check message which occures while booting

What I want to achieve: I want to customize my complete boot of my Ubuntu 16.04 LTS installation to show the same wallpaper which is actually on my desktop. What I achieved till now: added the ...
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2answers
30 views

Linux disk corrupted and fsck command not working [closed]

I am running a windows computer dual booted with linux 17.1 rebecca and recently my linux disk got corrupted and now i am not able to boot into linux because the computer gets stuck at the linux logo ...
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0answers
343 views

Ubuntu full disk encryption with encrypted /boot

I'm trying to setup a full encrypted disk with a separate /boot partition and I'm having some troubles. I'll write down the procedure I've been following on a Ubuntu 15.04 Live DVD session. Fill ...
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0answers
36 views

attempt to read or write outside of disk `hd0`. Then “a tmp error(6) occured attempting to read a pcr value”

I'm using a standalone Ubuntu 14.04 LTS OS on my laptop (I don't use dualboot). Suddenly, a freeze forced me to manually restart the laptop (by pressing power button). Then after I started the system, ...
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1answer
24 views

Dualboot with 2 seperate harddrives. HD1 has Ubuntu 14.04 HD2 has Windows7

I'm running Ubuntu 14.04 and Windows 7 on my PC, both 64 bit. The way I use it, is to turn off the PC, connect the Ubuntu HD if I want to use Ubuntu. If I want to use Windows, I disconnect the Ubuntu ...
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0answers
99 views

GRUB shows kernels from previous ubuntu version

I have just updated Ubuntu to 16.04 version and when I boot, grub shows the kernels from the previous Ubuntu version. How can I delete them? (not only in the grub list but to actually free that space ...
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0answers
19 views

Boot Option during Startup

I have Windows 10 on my HDD, would like to install Ubuntu 16.04 LTS on SSD. During startup, Can I get a screen which shows me the option to "boot from" menu? It is possible to go to BIOS and select ...
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0answers
18 views

Dual Boot: Directly booting to Xubuntu without giving me option to boot Ubuntu MATE

I first installed Xubuntu in my laptop. I then installed Ubuntu MATE choosing the option 'Something else' in the installer to create manual partitions. I created a 60GB space for / and 30GB space for ...
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1answer
77 views

Boot Option : ACPI=off

acpi=off is the only way to USB Live Ubuntu/Lubuntu, which eventually shows up only 1 processor (for i7 6700HQ), no power option, no brightness control etc. There are couple of people suffering from ...
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2answers
41 views

unable to boot into windows 10 after ubuntu installation

i have windows 10 loader option in my boot menu but still if i select it the screen just goes blank for 2 seconds and returns to boot menu whereas if i select ubuntu it loads perfectly.... here is my ...
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0answers
16 views

Grub fails “could not find ..” when restarting

I recently installed windows 10 (/dev/sda1)and Ubuntu 16.04 (/dev/sdc1). I set my boot bios to boot from ubuntu and grub recognizances ubuntu and windows fine. The problem is when I restart from ...
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1answer
277 views

Ubuntu: “Booting in insecure mode” with SecureBoot enabled

I have just installed Ubuntu 15.10, after having been with 16.04 LTS for some time to try it out. While I was using 16.04, I tried to install Nvidia Drivers and got told that I needed to disable ...
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1answer
4k views

file error /boot/grub/i386-pc/normal.mod trying to repair boot, live dvd install probleml

I have seen that there are a lot of threads about this problem. I had Windows 8 installed on my series 3 samsung i5 computer and I tried to install ubuntu 13.04. This is what I did: Because of the ...
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33 views

Error-2 : End kernel Panic while booting

After running sudo apt-get -f install command at terminal and downloaded about 351 MB of fixes, I restarted Ubuntu 16.04 OS but after selecting "Ubuntu" From Windows Boot Menu (Default OS : Windows ...
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3answers
986 views

How to remove unnecessary EFI entries from GRUB?

How I can get rid of these unwanted GRUB menu entries. My Ubuntu and Windows is getting loaded properly but these unnecessary entries I don't need it. Thanks in advance. This is how the ...
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0answers
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Ubuntu Desktop Stopped working. GNU Grub comes up instead

I was following along with an online course to learn about setting up a Ubuntu Desktop environment via Virtualbox on a Windows 7 machine. Everything was workiing fine, including getting ruby and rails ...
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1answer
57 views

System not booting with nVidia graphics card and NOMODESET in grub

Installed Linux Ubuntu 14.04.3 LTS Booted to black screen Probably cause of NVidia Graphics Card Tried to boot replacing quiet splash with nomodeset in the grub menu and then: Nomodeset mode boots ...
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3answers
5k views

Grub2 on LVM: How can I switch between alternate root LVs?

I have a working setup of Ubuntu Server 12.04 LTS (precise) installed on a LVM Volume (/dev/vg0/root). /boot is on the same LV, and Grub2 boots nicely from it using its own raid/lvm/xfs modules. Great ...
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159 views

Ubuntu 16.04 “booting in insecure mode” message even when turned off manually in BIOS

I just installed a nice fresh Ubuntu 16.04 on my Samsung Series 5 Laptop, and noted the new option in the install screens that required a password to disable secure mode booting - I unsuspectingly ...
2
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1answer
82 views

Can't boot with linux 4.4.0-22

I've just installed a fresh ubuntu 16.04 and run apt-get upgrade, which apparently resulted in linux 4.4.0-22 being installed. On reboot, after I select ubuntu from the menu (I have Windows installed ...
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0answers
28 views

How to dual boot on Windows 10?

Okay,I know this question had been asked.I've tried all everything but still I can't install. I am using Asus GL552JX with uefi.I disabled secure boot and run usb in legacy mode.It is using MBR table ...
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0answers
25 views

Ubuntu on my tablet fails to boot

This is a challenge. I have a Dell Venue 5050 Pro tablet. I'm use to bios, so trying to get this on my system was fun being a uefi. It has a 64x processor, yet a 32bit uefi menu. I followed this page ...
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1answer
10k views

Ubuntu server error: file '/grub/i386-pc/normal.mod' not found. grub rescue>

Hi i installed the latest Ubuntu server 14.04 and rebooted a few times perfectly and now when i last reboot it, i get the following error: error: file '/grub/i386-pc/normal.mod' not found. grub ...
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1answer
15 views

Ubuntu goes to a black screen that says boot install

When trying to install Ubuntu it says (initramfs)mounting /dev/loop0 on //filesystem. squashfs faild Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs)on //filesystem. squashfs then a ...
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4answers
874 views

ZFS root filesystem

I've been trying to install ubuntu with a zfs as root filesystem. But it seems that GRUB 2.xx which has ZFS support doesen't support compression, so i disabled it. However i keep running in to the ...
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0answers
105 views

PC stuck on motherboard splash screen after Ubuntu 16.04 install

I have a custom PC with the following specs: intel 4570 Gigabyte ga-z87-hd3 motherboard 4x4gb (16gb) RAM intel 730 ssd gtx 760 evga platinum PSU I've been running several operating systems on my ...
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0answers
12 views

Virtualise Linux Bootable partition on MacBookPro

I have setup rEFInd to dual boot MacOSX and Linux. Now I want to be able to make 1. Linux guest virtual box VM on El Cap. But the Linux guest is actually the same Linux installed on a separate ...
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29 views

Ubuntu 14.04 Grub Rescue Mode

Hi I am using dual boot with windows & Ubuntu Server 14.04 as a File server sharing the files with Windows Box using Samba. Now I want to know due to suddenly power failure the Ubuntu unable to ...
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0answers
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Ubuntu logo at bootup dissapears while dots move

Yesterday I installed ubuntu 16.04 LTS on my PC. Im very happy with it, works like a charm(except that bug where newly installed apps don't show up in dash, but its being worked on). After ...
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2answers
4k 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 ...
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0answers
17 views

How do I get GRUB2 in a virtual machine to see my SD card?

I am running Ubuntu in VMware Player 12. I want to load an SD card that I have attached to the VM. How do I get it to appear in GRUB2's sights?
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0answers
40 views

Can not boot into my windows

I have two drives. One drive has windows 7 and the other has XP. I created an ubuntu live USB-stick with rufus to see if my computer can handle, because it is very old. Specs: Pentium 4 2.8 GHz 2 GB ...
2
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2answers
2k views

Grub2 on hard drive chainload grub2 on USB

I'm taking steps to secure my laptop - from both a data security and physical security point of view. I currently have full disk encryption with LUKS set up through the installer - this is pretty ...
10
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5answers
53k views

How to restore Windows 7 MBR without a CD

I have been playing with Ubuntu for a few weeks now, and I'd like to revert my computer back to it's original - factory - defaults. On the computer I have a recovery partition (it's a netbook). I ...
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1answer
39 views

Blacklisting a module only for specific kernel versions?

When I boot a 4.4.x kernel, I want to make sure that the buggy staging driver r8723au is blacklisted, in favor of the much-improved mainline rtl8xxxu. However, when I boot an older 4.2.x kernel, I'll ...
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1answer
5k views

ubuntu 14.04 Grub Rescue error

So I installed linux (ubuntu) yesterday on a fresh hdd with a disk. It worked fine till today when it froze after I had had it in sleep mode and I had to turn it off and on again to be greeted with a ...
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1answer
17 views

Grub says GRUB GRUB GRUB GRUB

I recently uninstalled Ubuntu to install Ubuntu mate, but when I go to install Ubuntu mate nothing shows up besides GRUB GRUB GRUB GRUB. I was wondering if someone could help. Just to be specific I DO ...
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0answers
34 views

Grub breaks at each update

I have a really really weird boot issue and would like to share with you to see if some of you already encountered it. I have installed Ubuntu 16.04 on my (not so recent) Asus eeePC 1215B. It's the ...
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0answers
32 views

GRUB must be reinstalled after each time I boot from a USB

I have Ubuntu 15.10 installed on my laptop hard drive. I regularly have to boot from a live USB containing another Linux distro. It has to be done this way for security reasons, I cannot dual boot ...
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0answers
109 views

Can't install Ubuntu 16.04 on Sony Vaio

I hope you can help me quickly, even if my english isn't very well at this time. So: I got a Sony Vaio and Ubuntu 14.04 has been installed and worked fine till this morning. I have mounted the .iso ...
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0answers
21 views

Couldn't install grub2 in ubuntu 14.04

i wanna set up multiple operating system on ubuntu, as a result, that turned out that maybe i need to install grub, yes i did it, but something's going wrong.:( i download the grub package and tar it ...