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)

0
votes
0answers
3 views

Missing entry in grub menu after kernel upgrade on ubuntu 16.04

I just Upgraded my kernels to 4.4.0.31.33 , and the new upgrade removes the old kernels so I ended up without 4.2.0-35 , the one previously used. The problem is that grub does not see the new kernel ...
0
votes
1answer
8 views

my windows 7 and other patition disks not appear after installing ubuntu 14.10

While booting when I am press shift then options are shown, but window selection option is missing. Also I am not able to download any software from Ubuntu Software Centre. When I try to install, ...
0
votes
0answers
9 views

Ubuntu 16.04 goes straight to grub terminal, can't install

I had previously installed Elementary OS but was having issues so I decided to switch over to Ubuntu. I cleared my partition, made my USB drive bootable with the ISO using Rufus, and rebooted while ...
0
votes
0answers
3 views

keyboard doesn't work in grub

I cannot use my keyboard to select an OS in grub....the arrow keys, page up/down, tab, c, e...nothing works. Actually, I can't even use the keyboard to get to BIOS...typically, I hit F12, but that ...
0
votes
0answers
10 views

UEFI Booting With Encrypted /boot On Ubuntu 14.04 LTS

I have managed to get FDE working quite happily on an MBR/BIOS system using a DOS partition table, I only have /dev/sda1 for swap and /dev/sda2 for the swap and root LUKS containers respectively. This ...
0
votes
0answers
17 views

EFI boot from USB - drops to initramfs

I have attempted to follow this guide: https://help.ubuntu.com/community/Installation/UEFI-and-BIOS/stable-alternative It seems to have gotten partway through the boot process. From OSX, the list ...
0
votes
0answers
13 views

GRUB installation failed - 16.04

This is my first time installing Ubuntu. Right now, I'm trying with Ubuntu 16.04. During the installation, an error appeared, telling me that the bootloader had failed to install. It said there was a ...
0
votes
0answers
10 views

GRUB - Can't install bootloader on Fujitsu Primergy TX150 S6

I own a (quite old, i know) server that i planned to use for local FTP/SSH/SMB... the usual. The setup goes well, the MegaRaid controller is detected ( i don't need RAID, none of the information ...
0
votes
0answers
8 views

grub loader loding windows 7 in background

I use a lenovo PC. After installation of windows 7 and ubuntu 16.04 LTS I am having a problem. the grub loader is booting windows 7 in background and the screen is remaining purple. I cannot access ...
1
vote
1answer
35 views

How to convert MBR partition table to GPT?

I need to install Windows 10 alongside of Ubuntu, but partition table type is MBR, I tried to turn off UEFI mode, use legacy-mode but Windows still don't wont to be installed. (I heard of gdisk ...
0
votes
0answers
19 views

deleted grub file, how to fix?

My webcam is not working so I looked up online for solution. In one answer something as below was given - Open your grub configuration file for editing as root: sudo nano /etc/default/grub Change ...
0
votes
0answers
14 views

No boot loader found after clean install ubuntu

I just formatted a samsung laptop: NP905S3G I installed ubuntu 15.04 and at the end it gave me an error saying that it could not add the boot option or something. I don't remember. Then i used boot-...
0
votes
1answer
14 views

Can I make a Ubuntu bootable USB on a Mac?

So basically I want to install ubuntu on a usb from my mac (on a laptop which usually runs windows), because I deleted the partition of ubuntu and the grub switcher was gone at the same time too (so I ...
0
votes
0answers
11 views

GRUB installation UBUNTU SERVER

I've problems while installing GRUB 2, in my server dell poweredge 1950. I've tried with a lot of OS of ubuntu, server, desktop, debian, but, any SO work. I don't know what to do. The error says that ...
0
votes
1answer
21 views

Unable to get Ubuntu working in Acer Aspire E5-573

I have managed to install Ubuntu 14.04 on my laptop using the bootable Pendrive. After the installation, It asked me to restart, when I did that, I am getting the GNU grub where It asks me again If I ...
1
vote
1answer
29 views

How to set default kernel in GRUB without Grub Customizer?

After the recent update I wasn't able to start my system (black screen). So I powered off the PC and turned it on again. Saw the following grub menu: Ubuntu Advanced options for Ubuntu System setup ...
0
votes
0answers
10 views

cant repair grub after reinstall windows 7

was linux ubuntu 16.04 + windows 7. I reinstall windows 7. Now cant repair grub. Nothing helps. my info http://paste2.org/V4Y7vW1U about try: boot-repair - do not work with msg "please close all your ...
0
votes
0answers
14 views

Is there any way to install ubuntu alongside win 8 in HP laptop?

In my HP Pavilion with pre-installed win8, I had tried to install ubuntu latest version and 15.10 also many times with different ways alongside the win8 but all went in vain. I cannot understand why ...
0
votes
1answer
37 views

How to Activate Zswap Successfully for Matlab Computation in Ubuntu 16.04?

Condition: to activate zswap module in Ubuntu 16.04 successfully for Matlab/.... computation Relevant part in /etc/default/grub ... zswap.enabled=1 # NB only change here ...
0
votes
2answers
24 views

After installing BURG my computer no longer boots Windows.. someone please help

Ok so to start with I have an Alienware X51 R3 desktop computer. Yesterday I decided that I wanted to be able to dual-boot Windows 10 (the default OS) and Ubuntu 16.04. So to do this I freed up 40g ...
0
votes
0answers
12 views

Arrow down key initially shows Editparams page

I have several partitions, first partition with Ubuntu and second with Windows 7. When grub2 is loaded, it shows all the partitions avialable. But then, when I click down arrow key to choose another ...
0
votes
1answer
21 views

ubuntu 14.04 boots; login screen freezes: no GRUB menu; unable to access recovery boot mode

I'm new to Ubuntu. Ubuntu 14.04 is the only installed OS on this desktop computer. Since my last update approx. July 20/2016, I can boot but when I get to the login screen, everything freezes: no ...
1
vote
0answers
16 views

What needs to be taken care of after changing the UUID of the EFI system partition?

I need to change the UUID of my EFI partition (background: see below). After changing the UUID -- what do I need to take care of (in order not to mess up the system)? Background: After installing ...
0
votes
2answers
30 views

grub menu can't be dispalyed

I have installed Ubuntu 14.04 along aside Windows 10. While booting Ubuntu is not appearing instead its directly opening the Windows os. The grub menu is not found, its hidden.
0
votes
0answers
34 views

After rebooting, suddenly '/dev/disk/by-uuid/xxxx' doesn't exist

Similar versions of this question has been asked here, but none of the solutions presented on those questions seemed to solve my particular problem, with its particular variations. So, I tried to ...
0
votes
0answers
12 views

Ubuntu 16.04/GRUB: Cannot resume hiberanted Windows 10

I'm running Ubuntu 16.04 and Windows 10 on an ASUS noteboook. GRUB shows me the menus to boot Ubuntu 16.04, Windows 10 and Windows 10 Recovery. Booting Ubuntu and Window Recovery works, but when I ...
3
votes
1answer
61 views

X windows hanging during Ubuntu boot

I was able to figure out the cause of this problem I was having Unable to boot Ubuntu 14.04. The X server is refusing a connection. I was able to boot by pressing shift continuously and I was able to ...
0
votes
0answers
13 views

Sony Vaio takes hours to boot

I have a Sony Vaio SVF15213CBB with both windows 8 and ubuntu 14.04 that I use often. Yesterday, I tried to start the computer but nothing happened, it made the noise of the hard drive running and lit ...
0
votes
0answers
17 views

Interal Hard Disk not found after installing BURG to update grub

Hello I have an Alienware X51 R3 desktop computer, it orginally came with Windows 10, but I wanted it to be able to duel boot with Ubuntu 16.04. So after successfully installing it and having the ...
0
votes
0answers
21 views

Black Screen when Booting Ubuntu from External Hard Drive

Due to problems with my SATA controller, I installed Ubuntu onto an external hard drive so I could work off that until I get a new computer. The external hard drive was a 500G NTFS system used for ...
0
votes
0answers
15 views

No selection in Bootloader

I'm new to ubuntu. Yesterday I installed ubuntu 16.04LTS (as dual boot with windows 8.1) and now I'm having a problem with bootloader. When I switched on my laptop there'll no selection option for OS. ...
0
votes
0answers
12 views

Trying to install ubuntu-16.04-desktop-amd64 through pendrive

i have already deleted my last ubuntu 14.04 drive for some purpose, but now, when i was trying to install ubuntu-16.04-desktop-amd64 through pen drive and i was getting some black screen written on it ...
1
vote
0answers
18 views

Reinstalling grub2 from an ubuntu live usb

I've installed FreeBsd along with Arch and Windows in place of Ubuntu. So initially I had Ubuntu, Arch and Windows. I did something wrong and now it boots in grub menu. I've created a live ubuntu ...
0
votes
0answers
17 views

Not able to install ubuntu 16.04 alongside window 8.1

I have tried to install the ubuntu 16.04 alongside window 8.1 but it is not showing option of install alongside windows boot manager. further on selecting something else and there it is only showing ...
0
votes
3answers
41 views

Unable to enter BIOS setup utility before grub bootloader appears

I have a Dell Inspiron 7537 with a Core i7 processor. I used to dual boot Windows and Linux, which was fine. However later, I ended up booting from Ubuntu 16.04, and making that the only OS installed ...
0
votes
1answer
35 views

Unable to boot from USB on Windows after removing dual booted linux

I had previously installed elementary OS on my windows laptop and was trying to install normal ubuntu alongside it, but I kept having the issue of not being able to boot from the USB with the ubuntu ...
0
votes
2answers
35 views

black screen after installing Ubuntu

Hopefully this has an easy solution. I recently installed Ubuntu using the Ubiquity installer for the latest release. Due to my hardware, in order to install it from my USB, i had to use the nomodeset ...
0
votes
0answers
25 views

4 operating systems boot problem Ubuntu , windows , fedora and Kali [on hold]

It's kinda confusing , but I have these systems with grub loader I think fedora was holding the boot , after windows boot crashed I tried fixmbr and it completely erased other oSes from boot menu , I ...
2
votes
2answers
43 views

Dual boot option menu

I installed Windows 7 and 64 bit Ubuntu 14.04 LTS on my PC and both worked very smoothly. Since I updated by ubuntu last month, the system starts directly to ubuntu OS. I can't see GRUB menu, which ...
2
votes
1answer
18 views

Can't boot from clean install

I've recently been having trouble booting my computer. I tried to re-install some NVIDIA drivers after an update broke CUDA and led to some poor video performance. However that led to some conflicts,...
0
votes
1answer
20 views

Ubuntu 16.04 LUKS passcode does not appear

I installed an encrypted version of Ubuntu on my PC. If I start my computer appears this login screen: I'm unable to type in the passcode. Nothing appears. Also if I type in the correct passcode and ...
0
votes
1answer
12 views

How to access recovery console without using grub?

So I just got a computer from work for free but it's a rather old iMac, probably from 2006, and it has Ubuntu on it. I have no clue how to use this software and the previous owner is unknown so I can'...
0
votes
0answers
16 views

Windows 7 screen does not shows after dual booting of my Dell Inspiron 15 3542 Core i3 Laptop

I recently tried to dual boot my Dell Inspiron 15 3542 Core i3 laptop (64 bit) using Ubuntu 16.4 which already had Windows 7 on installed. The process of dual booting completed successfully but when ...
0
votes
0answers
37 views

Ubuntu restart works fine but shutdown does not?

Why does my Ubuntu not shut down properly? My Ubuntu restart works fine but shutdown does not properly. I modified the grub like this: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash reboot=pci" My ...
0
votes
1answer
34 views

Reinstalling Ubuntu as a solution to my issue

As I've posted before, Installing Windows 8.1 over Ubuntu has caused the deletion(?) of grub, and thus I cannot get into Ubuntu. I have tried both repairing grub through the command line on a Live USB,...
0
votes
1answer
16 views

NumLock turns off after GRUB

In the BIOS settings, NumLock is turned on. The NumLock will continue to turn on but after you choose your OS with GRUB it will turn off automatically. The NumLock is still on while on GRUB screen ...
1
vote
1answer
22 views

14.04 login loop; tried suggested solutions but no luck; will work with older linux kernel

I'm still rather new to Linux. Login loop started earlier this week after an update that required a reboot. I searched here and found suggestions for doing a package repair via "recovery mode" (did ...
0
votes
2answers
25 views

Booting ubuntu from USB drive using grub and then resizing parition

I currently have a dual partition - windows and ubuntu, setup on my computer. However, I would like to resize my ubuntu partition to create more space. I believe to do this from ubuntu I need to ...
0
votes
1answer
31 views

Unable to boot Ubuntu 14.04 suddenly

I was doing a lot of system installs such as GL, cmake etc. I finished installing and I am unable to reboot Ubuntu 14.04 LTS. I ran the hardware diagnostics and no errors were found. It starts and you ...
1
vote
0answers
39 views

The mysterious : Error parsing PCC subspaces from PCCT

I'm a long time LTS Ubuntu user, I recently changed my aging ASUS notebook to a Lenovo T450. The latter came with windows 10, so I decided to wipe it with the fresh 16.04 Ubuntu. The install (via a ...