Questions tagged [grub2]

GRUB 2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB 2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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How to remove distribution from dual boot?

I have a dual boot of Debian 8.8 LXDE and one of the most recent releases of Ubuntu. (I don't know number release). I have grub boot loader installed. Can I remove Ubuntu from the hard drive and Grub ...
2 votes
0 answers
458 views

Ubuntu boots into Grub Rescue

Before writing about the problem, I would like to tell that I have tried several solutions from various websites including the following (and other sources from AskUbuntu), thus this is not a ...
1 vote
1 answer
315 views

Is it possible to replace Windows on an eMMC without any external device?

I've managed to do the following so far: Installed Xubuntu 16.04.2 LTS from WUBIUEFI (a fork of WUBI for modern versions of Windows) Managed to create a separate partition with just an ISO and used ...
0 votes
1 answer
526 views

Can't install Ubuntu 17.04 LTS

I am running Windows 10 and want to dual boot. I created a 60gb partition for Ubuntu using the preinstalled Windows partition editor. I was able to finish the installation, but when I pressed 'Restart ...
1 vote
1 answer
7k views

VirtualBox Lubuntu grub-pc boot loader failed to insall

I've seen this error for full-blown installs, but not for an install into VirtualBox, so observations about UEFI and the like don't apply (as far as I can see). I'm trying to install Lubuntu into ...
0 votes
0 answers
84 views

I have to reinstall ubuntu everyday?

Sorry if its long. So I'm working on a company that have 2 shifts. So 2 people use the same computer everyday,(I'm on day shift and the other one who use my computer is on night shift, we share ...
1 vote
1 answer
2k views

How to remove Ubuntu 14.04.03 Grub password protection?

Ubuntu 14.04.03 server has Grub protection password which is difficult to manage in case of every reboot. Server has Grub protection password which is difficult to manage in case of every reboot. ...
2 votes
1 answer
128 views

Ubuntu just disappeared, cant boot onto it anymore

I completely wiped both of my HDDs this weekend and installed Windows10 on C: and Ubuntu on E: again (yes I had a dualboot before my wipe). Everything worked fine, grub showed up and it showed Windows ...
1 vote
2 answers
5k views

My Ubuntu installation won't boot even to recovery mode. What should I do? [duplicate]

Following a simple apt-get upgrade, I find my Ubuntu 16.10 installation booting to a blank display regardless of selecting normal boot or recovery from GrUB, with the various kernels installed. How ...
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0 answers
71 views

Can I fix my Grub Bios parition?

I Have made a dual boot with ubuntu and Enso OS, I have come to make the decision that I wanna use Enso insted of ubuntu! Something i noticed a while back when i was trying to reclaim a partion for my ...
0 votes
1 answer
82 views

Installing Ubuntu on an External Harddrive. Invalid password

This is my first time working with Ubuntu, and I'm trying to install Ubuntu 16.10 on an external 1 TB harddrive. I set up my username and password using Ubuntiquity as something simple. Username: ...
0 votes
1 answer
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How do I remove kernel 3.5.0-36 from my system

I can see entry of 3.5.0-36 in my boot entry. But,I am unable to remove it as there is no package to remove. See the command outputs from below for more details. 1) Command : sudo update-grub2 ...
0 votes
1 answer
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Cannot boot my dual booted pc

I have a dual booted pc. I tried to uninstall Linux by deleting the partition. When I boot my pc, there is an error as shown in the attached picture: How can I fix this?
3 votes
3 answers
7k views

Grub issue, boot repair not working

I have an installation of multiple systems on my laptop. I m running on a asus vivobook x202e with an i3, a 240gb ssd and 4gb ram. I have: Ubuntu 14.04, Ubuntu 14.10, Windows 8.1 and and fedora (Cant ...
5 votes
4 answers
10k 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 ...
0 votes
0 answers
58 views

Can't boot Ubuntu anymore : paste from boot repair

Lenovo t420 SSD Not booting after bios reset to defaults. Can't seem to boot a ubuntu install disk from usb to try and correct the error. The drive is encrypted if that has any bearing. Have tried ...
1 vote
1 answer
418 views

ubuntu grub rewrite mbr on second drive constantly

I got two physical drives on my PC, first for Windows 7, second for Ubuntu. First one with Windows 7 is default boot drive in BIOS. My idea is to have Windows MBR on Windows 7 drive and GRUB on ...
0 votes
1 answer
319 views

I'm afraid that I broke the partitions on my computer

I made a partition for Ubuntu a while ago and it worked fine. My problem began after trying to install burg I followed this YouTube video guide to install burg and after having some troubles I ...
0 votes
2 answers
211 views

Software Updater: how to avoid problematic updates and how to rollback a problematic update and avoid it in the future if it still gets through [closed]

I'm currently running lubuntu 16.04 and recently I updated the kernel from 4.4.0-51 to 4.4.0-75 and upon my next boot lost wifi and hfsplus support. I was able to use grub to use my older kernel, but ...
0 votes
1 answer
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Problem with Grub / Can't start Kubuntu 17.04

Today I installed Kubuntu 17.04 from my live USB, integrity verified, and succeded, but whwnever I try to start I get this screen. I got this report from boot-repair. I can't start live in (U)EFI ...
15 votes
6 answers
11k views

How can I know from which partition I had booted?

I have a machine which has multi-boot partitions. I have Ubuntu 14.04 on one partition, Ubuntu 15.04 on the second and Ubuntu 16.04 on a third one. Is there a way to know, from the command line, from ...
13 votes
7 answers
111k views

Why 12.04 Fails to install grub-efi to /target/?

I have a Lenovo u410 ultrabook. It's sata scheme consists of a 30gb SSD and a 1tb hdd in a raid0 with intel rapid start technology. I removed IRST and disabled the raid0. I want to install ubuntu on ...
2 votes
1 answer
1k views

I installed xen-hypervisor and it breaks bootup

I ran some aptitude install commands for xen and xen tools and its broken grub, it hangs indefinitely when I boot. This unanswered question happens. booting xen hypervisor on ubuntu14.04 stuck at ...
0 votes
1 answer
518 views

Can't boot Ubuntu 16.04.2 LTS after installing it [duplicate]

I have a UEFI windows 10 machine an I'm trying to dual boot ubuntu. At first I got the error: "grub-efi-amd64-signed failed to install into /target/. Without GRUB boot loader, the installed system ...
0 votes
4 answers
3k views

How do I install Ubuntu to a USB drive WITHOUT touching my hard drive boot [duplicate]

Ok, before you say this is a duplicate, please let me explain and then point me to the duplicate answer and I will delete this post. I have searched a bit but I have found no definitive answer or way ...
17 votes
2 answers
6k views

Unattended grub configuration after kernel upgrade

Today I have been working on automatic deployment of an ubuntu server. I got stuck on automatic updating of the server using apt-get upgrade trying to upgrade to a new kernel. The log looks like this: ...
1 vote
2 answers
4k views

Help removing grub from dual booted Surface Pro

I had ubuntu installed on my Surface Pro 1 on a 32gb micro sd card. I ended up not using ubuntu too much on this machine, as i do all my power user processes on my desktop running ubuntu, and windows ...
2 votes
0 answers
199 views

Keep timeout counting in grub 2 even if a key was pressed

I have surface 3 In surface 3 I can use the volume buttons for up and down, but there is no button for enter I want to be able to choose between linux or windows without needing a keyboard. So I ...
2 votes
2 answers
4k views

Cannot dualboot into Windows after Creators update [closed]

I was a happy dualboot user with Ubuntu 16 and Win10. This morning I saw an update available, so I installed it. There was very long configuring process before restart. After restart, if I select ...
2 votes
1 answer
30k views

Restore grub - possibility of using Gparted Live

I've just installed Windows 7 after installation of Ubuntu 13.10. Can I use Gparted Live CD to restore GRUB? I ask, because my Internet connection is very slow and Gparted Live is small (150 MB).
0 votes
1 answer
405 views

BootFix and Splash Logo on Ubuntu 16.04.2 LTS

So, I've been tasked to equip around 600 HP desktops with a version of Ubuntu 16.04.2 LTS. I use CloneZilla to mirror the main HDD but some problems came up. When i got an HDD ready for use it would ...
3 votes
5 answers
14k views

GRUB menu missing after installation

I am running windows 7 64 bit on my comp and just installed ubuntu 11.04 64 bit after partitioning the hard drive to give ubuntu 50gb of space. I used a usb drive to try it out first and then i ...
0 votes
0 answers
1k views

Failing to install bootloader to USB

I am trying to install Ubuntu 16.04 to my USB-Stick. I have followed the guide in the answer to this question (however, I am using another usb containing the installation files instead of a CD). ...
0 votes
1 answer
2k views

Installing ubuntu desktop 17.04 with UEFI when there are two disks in PC

I have two HDD in the PC. First HDD has Installed Older Ubuntu with EFI partition. Second HDD is empty. When I try to install Ubuntu 17.04 "zesty" amd64 desktop (18cc54af55d7ca931bbb8588e8d9c1bd *...
1 vote
3 answers
357 views

Grub menu doesn't appear on dual boot with win8.1

After installing Ubuntu 14.04.3 on a HP Pavilion G6 that had windows 8.1 pre-installed, I am unable to see the grub menu. I can see two entries of Ubuntu if I hit the Esc key while booting and press ...
2 votes
0 answers
110 views

System does not boot automatically

I have a standard 16.04 server system. The problem is that if I let the machine to boot on its own, it fails with kernel panic unable to mount root fs on unknown-block, but if I hold left shift and ...
2 votes
0 answers
230 views

New computer running Windows 10 and old SSD running Ubuntu 16.04 and old HDD running Windows 7

I've a new Dell XPS 8920, running on Windows 10. I've installed SSD from my old system, which ran on Ubuntu 16.04, and an HDD, which has Windows 7 installed. My new PC boots fine with Windows 10. I'...
1 vote
2 answers
2k views

How can I dual boot 2 linux distros Keeping One as my primary and constantly change the second?

I would like to Dual boot my secondary laptop. I want to keep one Linux Distro (Lets take Ubuntu..!) as my daily driver and try out different distros like Linux Mint, Fedora, Manjaro....etc. How can I ...
6 votes
2 answers
1k views

Dell PowerEdge T20 won't reboot

I have a Dell PowerEdge T20 microserver running Ubuntu 16.04. Everything is working fine, except that it won't reboot cleanly. When I issue run the reboot command, the last messages displayed are ...
0 votes
1 answer
96 views

Kubuntu does not always boot after Win10 update

I have a system with Windows 7, Windows 10 and Kubuntu 16.10 in a tripple-boot mode. After recently updating the neglected Windows 10 my Ubuntu does not allways boot. Sometimes it starts without any ...
1 vote
1 answer
10k views

Grub error minimal bash like line editing is supported

This question is similar to this one but I have a slight modification. In that question their Ubuntu opens after typing exit in the command window at which point the error is displayed. After ...
-1 votes
1 answer
657 views

Can't boot into windows after removing ubuntu [duplicate]

I have deleted the partitions of ubuntu from windows and also wrote the command: bootrec.exe /fixmbr from the advanced option which appears after holding the shift key while restarting. But, when I ...
3 votes
1 answer
1k views

How do I permanently boot up from previous version

Excuse my ignorance here, I have been using Ubuntu on my surface pro 3, Not dual boot, to learn ROS which only runs on 16.04 LTS. Everything has been working for the most part But last night I was ...
0 votes
1 answer
4k views

Really weird and disturbing things in my /boot/grub/grubenv file ..... Malware/Adware?

Since the last ubuntu (16.04) update, a few days ago, I have problems with grub. The grub-pc update didn't go well... Now, at boot, it says: "Error: Invalid Environment Block. Press key to continue......
1 vote
0 answers
914 views

can't set TTY resolution in ubuntu 16.04

Ubuntu server 16.04 installed on a virtualbox vm - no Xorg. Trying to change resolution same way as with previous ubuntu versions. in /etc/default/grub: GRUB_GFXMODE=1152x864 GRUB_GFXPAYLOAD=keep ...
0 votes
1 answer
1k views

After upgrade to Ubuntu 16.04 from 14.04 can't get grub to boot

The upgrade went especially well [infinitely better and less problematic than 12.04 to 14.04 [which was a multi-WEEK hell]. However, after it completed and I rebooted...nothing! but a black terminal ...
0 votes
2 answers
721 views

How to boot repair disk through grub2

I dual-booted my laptop with Ubuntu 17.04. I decided I didn't want it anymore so I deleted the partition with Ubuntu installed and extended my windows partition. I restarted my computer and got this ...
2 votes
0 answers
54 views

Would a live session use swap when Ubuntu 16.04 LTS is Hibernated?

Whenever I boot into an Ubuntu/Fedora live session, i see that they use my swap space. So, I wanted to know: If I hibernate my current Ubuntu Session, and boot to an Ubuntu/Fedora Live Session, would ...
1 vote
2 answers
10k views

GRUB won't boot persistent - "hd0,4 not found"

I'm trying to make a persistent USB flash drive of Ubuntu 17.04 with mkusb (dus). I've followed the directions on the mkusb website explicitly, and I've tried most variations I can think of, all with ...
0 votes
1 answer
562 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 a ...

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