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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How to prevent the people from using 'e' to change the 'config' in grub?

I'm really stumped this time because, I've tried to configure the 10_linux & the 00_header the /boot/grub/grub.conf I've tried it many times, but unable to protect it with Password Please do ...
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21 views

Multiple GRUB_CMDLINE_LINUX_DEFAULT settings for different resolutions on Hyper-V

Ben Armstrong (Microsoft Hyper-V Virtual Manager) suggested in his blog to edit /etc/default/grub and add a parameter to GRUB_CMDLINE_LINUX_DEFAULT to change display resolution on Hyper-V. It's ...
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0answers
18 views

Grub entry for Windows 8 boot not working [closed]

I have a dual boot configuration (Linux Mint 17.2 and Windows 8.1) on a Lenovo G505. I can boot into Linux Mint without issue but cannot boot into Windows 8.1. My boot info summary states there is ...
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1answer
45 views

Boot failure after upgrading to Ubuntu 15.04

I have Sony Vaio Fit computer with a dual boot setup of Windows 8 and Ubuntu 14.10. After upgrading to 15.04, booting into Linux fails with a number of 'builtin file not found' errors. I tried ...
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1answer
154 views

Can't boot into Windows 10 after installing Ubuntu 15.04

Here is the bootrepair link , if someone can help I would totally appreciate it thanks. http://paste.ubuntu.com/12105065/
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2answers
218 views

Add Windows 10 to GRUB OS list

I recently got a computer from school. It came with Windows 8.1 installed. I then installed another copy of Windows 8.1 (so it would use the built-in Windows Pro license) and upgraded it to Windows ...
0
votes
1answer
260 views

Problems installing and dual booting Ubuntu 12.4, 13.10, and 14.4.1 via pendrivelinux?

All righty, I am a bit new at this, so bear with me. I've been using windows for a long time and have a decent amount of know-how with it's interface, and I decided I wanted to try out some different ...
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1answer
5k 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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0answers
12 views

encrypted drive, /boot on usbstick that is now lost: how to recreate it from backup?

Very quickly, here is my situation: Ubuntu 14.04 Entire hard disk is encrypted using LUKS boot partition was on an external USB thumbdrive. :-( bootable thumbdrive is gone for good :-) I had a ...
0
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1answer
11 views

Is double-booting with Windows 7 viable with Ubuntu 14.04? Or does on have to be wiped, (Windows not pre-installed.)

My mom's old i5 Ultrabook's Hard Drive died a year ago and now I want to install Windows 7 alongside Ubuntu so I can run MS Office (I prefer it to LibreOffice.) And Steam. I also want to keep Ubuntu ...
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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?) — ...
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1answer
2k views

Is running Burg on 15.04 possible?

Is it possible to have grub2 replaced with burg on Ubuntu 15.04? I had it on 14.04 but I'm struggling to get it on 15.04, does there need to be in a repository for 15.04 or something like that? If so, ...
0
votes
3answers
49 views

Cannot boot laptop after copying partitions to new HDD

I changed the HDD of my laptop for an SSD. It is a Dell XPS 15, that came with Windows, on which I installed Ubuntu, and has been working for 3 years. The HDD was setup with several partitions, ...
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0answers
47 views

After boot repair, Windows does not boot

Following are the steps till I purchased my computer Installed windows 7 Installed Ubuntu There was no boot option, and ubuntu automatically boot, leaving me no option to boot my windows I used ...
0
votes
1answer
21 views

Problem in installing Ubuntu on Q584

I'm using Q584(Fujitsu). Its CPU is Z3770 and it uses 32bit UEFI. At first I tried install Ubuntu on my tablet, NO boot device is detected but I found out that 32 bit efi is need. So I used 32bit ...
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0answers
18 views

Not getting logged in after upgrade to Ubuntu 14.04

Just after I upgraded my laptop (Ubuntu) Now it was getting console on booting. I used shift to select previous version of kernel. And its going to login screen ,but still after valid password its ...
0
votes
1answer
5k views

Ubuntu 13.10 Grub 2.0

I know this question may have been asked hundreds of times before but there doesn't seem to be one answer to how to solve it. I upgraded my computer to Ubuntu 13.10 and my computer was low on ...
0
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0answers
13 views

Windows 7 plus Mint plus Ubuntu bootloader issue

I recently installed a new ssd which has windows 7 on it. On another drive I installed Mint and it works fine the bootloader loads up and gives me a choice of mint or windows 7. I then installed ...
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0answers
23 views

Bootloader issue - How do I completely remove Linux from my system? fully detailed description

The goal was to successfully install Windows 10 upgrade. System configuration : Dell Inspiron 3537, i5 4th gen processor, 6GB RAM, 1TB HDD, 2GB AMD Graphics. Before install : I have a Dual-boot ...
0
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0answers
62 views

Installed Windows 10 and Ubuntu 14

When my computer boots up,it goes directly into windows 10.How do I make it to ask me how to load which OS.Since I'm new to this,treat me as a toddler.I don't know most of the technical terms.Please ...
0
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1answer
41 views

Installed grub on flashdrive

I downloaded Ubuntu 14.04 on my flash and then deleted windows as I ran Ubuntu on my USB drive. I found out after research I downloaded the grub on my USB drive. I tried basic commands to fix it and ...
0
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1answer
32 views

How to make a UEFI compatble ISO with grub-mkrescue?

I have been following this guide to produce a customized version of Ubuntu. As of now, the structure of the CD is complete. I just have to generate a bootable ISO image with the command: sudo ...
0
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1answer
36 views

Nothing boots (previously Windows 7 / lubuntu)

I tried to install xubuntu on a machine that had Windows 7 alongside lubuntu The error I made is that I clicked by error erasing everything and install xubuntu. But I stopped at the next window that ...
0
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0answers
70 views

Fix Bootloader and delete Ubuntu, Windows 10?

First of all I'm sorry to say goodbye but I need to remove it. My problem is, I cannot fix the bootloader and I always get the GNU GRUB everytime I start my computer (GNU GRUB version ...
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2answers
111 views

Regarding Enable & Diasable of Dual Boot Option?

I'm using Dual Boot hence while booting I'm supposed to click an option as shown below (Ex:) So, Tell me how to disable the options of dual boot i.e system should boot directly without options as ...
0
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1answer
19 views

GNU Grub not loading by default

I have dual booted my machine. First I had installed Windows 8.1, and then I have installed Ubuntu 14.04.03 version. I had switched off secured boot and power boot options . Now when I boot my ...
2
votes
1answer
78 views

Boot folder on external USB pendrive, how to boot to?

My machine is LUKS-encrypted and boot works a charm (asking the passphrase at launch). I want to use a keyfile on a USB pendrive, thus the user has a dongle that the user must plug to launch Linux ...
0
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2answers
428 views

grub can't launch Windows 10 after Ubuntu 14.04 LTS installation

I looked at some of the other threads with similar issues but none were having the exact issue I have and, furthermore, I found none with a satisfactory answer. So I figured I'd post my own. I ...
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votes
3answers
47 views

How to remotely control which OS Grub boots?

Consider the following dual-boot setup: Grub is installed to /dev/sda /dev/sda1 is mounted as /boot /dev/sda6 is mounted as / Windows 10 is installed to /dev/sdb2 As it stands now, Grub selects ...
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votes
0answers
35 views

Configure Grub2 to boot into windows 10

I have installed Linux and have windows 10 in a partition as mentioned below plz help me configure the same Contents of 41_custom file in /etc/grub.d/ #!/bin/sh cat <<EOF if [ -f ...
2
votes
1answer
49 views

Problems with booting on recovery mode [closed]

I want to access my recovery mode because I have problems with my nvidia drivers. But I don't get a chance to use my shift key because I have a black screen for 10 seconds (when I boot my pc) and the ...
0
votes
1answer
41 views

Grub2 is not being installed within installation of Ubuntun 14.04.3 and Win 10 set before

hope you can help a beginner. I recently upgraded Windows 7 to Windows 10. After that I downloaded Ubuntu 14.04.3 and successfully installed it; For that I made several partitions; One for Windows 10 ...
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3answers
5k views

How can I permanently remove the boot option “quiet splash”?

When booting, I'd like to see the kernel output without having to edit the GRUB line on each boot. How can I do that?
2
votes
0answers
288 views

OS-prober is taking a really long time

Any time I update my GRUB configuration or install a kernel update that has the update manager update my grub configuration, the os-prober part of the configuration hangs for sometimes 10-20 minutes. ...
0
votes
0answers
28 views

Windows took my Grub [duplicate]

I recently installed Ubuntu 15.04 on my pc on one partition. Later, on the other partition I installed a Windows OS. Now, when I turn on my PC the are no boot options. GRUB is gone. I tried booting ...
1
vote
1answer
50 views

Should I re-install GRUB when installing new linux distro?

I already have Windows 8.1 Pro and Ubuntu running on my system. When I boot, I use the Grub bootloader to select my operating system. I'm planning to install a new Linux distro (kali 2.0), if on the ...
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votes
0answers
20 views

After using boot repair, my hdd couldn't be detected By uefi

after i install boot repair the result is this http://paste.ubuntu.com/12077955/ Now my UEFI couldn't recognize my hdd Please help, thanx
0
votes
2answers
153 views

Can't change brightness of laptop in ubuntu 14.04 / 15.04

When i just try adjusting brightness, the indicator changes but the screen does not change brightness. I have tried adding acpi_backlight=vendor to my grub file and also doing echo x > sudo tee ...
0
votes
1answer
28 views

How to dual boot Kubuntu without booting into GRUB when I turn on my computer?

What I want to happen is when I turn on my computer it boots into Windows 10 by default, and if I want to go into Kubuntu, I go into BIOS and choose to boot it. Is this possible without having Linux ...
2
votes
1answer
1k views

14.04 - Replaced drive in Software RAID 1 - How to make bootable?

I have an Ubuntu 14.04 x64 server with 2 500GB drives (sda and sdb) in a software RAID 1. I just had to replace sdb. Adding it back to the array with mdadm and resyncing was a snap. The problem I'm ...
1
vote
2answers
53 views

Ubuntu 14 Raid not booting

i'm having issues for booting my Ubuntu 14.04 Server. I have two discs 320GB. I upgraded the disks from two 160GB and everything was working ok. Those disks were one IDE and the other SATA. Now both ...
0
votes
0answers
78 views

Grub Problems with Dual-Boot Windows 10

I just got a new laptop (Lenovo) with a preinstalled Windows 8.1. I did the upgrade to Windows 10, created two partitions (Windows and Data)and installed Ubuntu 14.04.3 on the remaining space from a ...
2
votes
2answers
326 views

How can I only load up the terminal via grub then upgrade

So after the upgrade I made last night I can't load up the GUI properly. I have a feeling the upgrade died half way through. Grub is working. All the kernals are listed. That being said how can I: ...
0
votes
0answers
34 views

Failed boot after accidentally deleting kernels?

I accidentally deleted kernels while trying to clear more space in the boot partition (I couldn't update new kernels due to lack of space). Now I am unable to boot my Ubuntu Linux (14.04). I tried the ...
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vote
1answer
45 views

how I can rearrange my partitions?

I need help with this problem! I would like to install windows and ubuntu in the same hard disk. My plan was to have Windows on a partition, install ubuntu on another partition, one for ubuntu files ...
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0answers
167 views

Windows 10 upgrade kills grub

At first, I had Ubuntu 14.04 LTS alongside with Windows 7 Professional. I was on windows 7 and I upgraded to windows 10. During the installation, It had to restart. What happened when I restarted was ...
0
votes
1answer
48 views

Computer restarts over and over after upgrade from ubuntu 14.04 to ubuntu 14.10 on dualboot windows/ubuntu [closed]

I had a dualboot Ubuntu 14.04 and Windows 10 (Windows 8 before upgrade). I decided to upgrade my Ubuntu to 15.04, so I needed to Ubuntu 14.10 and after to Ubuntu 15.04. But after I've upgraded to ...
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1answer
6k views

Grub resue error insmod normal File not Found

I have a Dual Boot with Windows 7 and Ubuntu. Using Disk Management in Windows, I deleted the Ubuntu partition, but when i restart my computer, I'm getting Grub Rescue Command. I Tried ls ...
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votes
2answers
33 views

Downloaded Ubuntu, no dual boot, can't access Windows

Basically I installed Ubuntu following the partition tutorial and everything seems fine except I seemed to have lost Windows. I can still see it in GParted, but there is no dual boot menu + I can't ...
0
votes
2answers
46 views

I have 2 SSDs one for windows the other for ubuntu. No grub on sda

I installed Windows 8 on sda and I installed Xubuntu on sdb, but I don't like using Ubuntu grub to change sda mbr. I like to use a simple F12 solution for dual boot. How can I remove grub on sda and ...