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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Why can't I boot from my SSD?

Recently, I bought a 250GB Samsung 840 EVO SSD. I wanted to migrate my system to it, so I copied my / and swap partition to it and ran boot-repair. The program told me I was in EFI mode so I made an ...
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1answer
25 views

after expanding 'Ubuntu installed' partition, I got error

I expanded the partition on which I have installed Ubuntu and then tried to reinstall grub using BootRepair and got following error: The boot files of [The OS now in use - Ubuntu 14.04.1 LTS] are far ...
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0answers
32 views

Dual boot MS Surface PRO issues

I'm trying to successfully get my Surface Pro to dual boot Ubuntu, alongside windows 8.1, using a 128gb SD card I came across a guide (Dual boot Surface Pro with Ubuntu?) and followed it, but there ...
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36 views

Bootable pendrive with windows 8

After formatting pendrive on ntfs setting bootable flag, installing grub and coping windows installation files to pendrive eg. win fodler how to set grub.cfg to boot windows from pendrive win folder ? ...
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4answers
2k views

grub-install fails after upgrading from 12.04 to 14.04 (grub-pc is broken)

I just upgraded from Ubuntu 12.04 to 14.04, but during the installation grub-install failed: I continued with the installation and hoped to fix the grub issue afterwards. However, I ran into some ...
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1answer
52 views

Dual Boot EFI Windows 8.1 / Ubuntu

Grub 2 works fine with the Ubuntu entry, but I'm missing the Windows 8 entry. Windows 8 is on /dev/sdb with 2 partitions (sdb1, sdb2), Ubuntu is on /dev/sda. http://paste.ubuntu.com/9442112/ Any ...
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2answers
3k views

Black screen when trying to install ubuntu 13.10

I am in need of some help. It has been 2 weeks since I bought my first ever windows laptop with the aim of replacing windows but I have been unsuccessful. The hardware is as follows : Asus 15' F550D ...
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1answer
75 views

How to show boot messages in 14.10?

I am trying to show the boot messages but all I get is an almost black screen until I see the login manager. I removed quiet and splash I removed quiet and splash and added noplymouth I removed ...
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1answer
65 views

Win7 won't resume from sleep/hibernation

I read many posts about this problem, but most of them consider the user a linux expert who knows what he's talking about :/ I would really appreciate it if someone can solve this problem for a ...
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0answers
41 views

using framebuffer in Ubuntu 14.04 textmode - segmentation fault

I am using Ubuntu 14.04 booting into textmode. GRUB-file: GRUB_CMDLINE_LINUX_DEFAULT="quiet text" and the following gfx setup in GRUB: GRUB_GFXMODE=0x115 GRUB_GFXPAYLOAD_LINUX=keep That means I ...
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0answers
200 views

nVidia driver update causes problem, even when reverting back

The story: A few months ago, I was able to play Civ V on my HP Elitebook 8540w without any problems. Then about a month ago, for some reason, my video driver started to have some issues. It had ...
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1answer
33 views

How to install windows 8.1 , when I have a windows 7 and ubuntu 14.04 running side by side?

Here is this , I use ubuntu and love ubuntu. So when I bought a DELL PC with pre-installed windows 8, in which I couldn't install ubuntu in every possible way I tried, I deleted the genuine windows ...
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2answers
4k views

ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell

I am using Ubuntu 14.04. On 23 August 2014 I ran in terminal sudo apt-get update. Then I rebooted the system. And now I see: ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell ...
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3answers
3k views

no windows 7 entry in grub after installing ubuntu

I installed Ubuntu 11.10 on a separate partition. Unfortunatelly after installation I couldn't see grub menu. Ubuntu starts automatically. Then I installed the boot-repair and repaired by this ...
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2answers
18k views

UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD)

UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD) Hello, I'm having trouble setting up a dual-boot (Ubuntu 12.04 LTS and Windows 8.1) in my ASUS K55VM laptop's hard drive disk (500 GB). I ...
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1answer
2k views

How to change background color in grub

I use Ubuntu 12.04. I want to change grub's background color to black. I mean just background color, not background image. I can only find guides how to change the image. I tried some GUI software ...
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1answer
34 views

How to fix Missing operating system after ms-sys

I need your help. I've uninstalled ubuntu and removed his partition from Windows 7. After I restarted I had the "error: no such partition" so I used this guide to restore the windows bootloader... ...
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1answer
23 views

Guidance on moving a raided / to a new set of disks

Running Ubuntu 14.04.1 up to date. Besides a ZFS pool I'm using for my data, I have my root partition on a mirrored software raid, and would like to move to two larger disks. Here is my parted ...
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0answers
23 views

Dual boot Windows will not load after installing wireless driver

On a new machine, I partitioned the hard drive equally, and installed Windows 8.1 on one partition, and Ubuntu 14.04 on the other. Both OS's booted successfully from grub. Now, my wireless adapter is ...
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2answers
82 views

grub fails to install to MBR (RAID+LVM+LUKS)

Please note the edit at the end I'm building a home server (my first attempt at it) using Ubuntu Server 14.04.1 on an old machine (BIOS doesn't support UEFI), and I want to set up the whole system on ...
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1answer
91 views

error: no such partition Entering rescue mode… grub rescue> ubuntu partition accidentally deleted [duplicate]

I am using Windows 8.1 and Ubuntu 13.10 as in dual boot. I have changed my disk size using disk management. accidentally I delete Ubuntu partition at all. Once I restarted the system, I am getting ...
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1answer
38 views

Grub starts on bootup on USB Flash Drive

I installed Ubuntu 14.04 to a 64gb USB Flash drive so I have my desktop and apps wherever I go. (3 partitions, swap, boot and home) I've set up a netbook to boot to USB drive but instead of booting ...
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1answer
43 views

Can I install the gnu grub menu from windows?

Hi I’m new in Linux and I have a problem. I bought a computer with Windows 8 which was upgraded to 8.1 in the mean time. Then I installed Ubuntu 14.04.1 and when the set-up finished, I restarted the ...
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0answers
32 views

After installing Ubuntu 14.04 Over windows 8.1 i'm unable to boot from my DVD Drive

Fun story, i had Ubuntu and Windows 8.1 both installed on my pc. When attempting to re install it detected Ubuntu and said if i wanted to replace that i was like ooh nice, now i don't have to change ...
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1answer
556 views

Cannot get windows 8 to boot after ubuntu 12.10 install (different hdds)

I just took the plunge into Linux, with Ubuntu 12.10. Not knowing if I would like Ubuntu enough for it to become my main OS, I installed it alongside of my existing OS, windows 8. When installing ...
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0answers
27 views

Boot issues on Inspiron M5010 when installing 64 bit Ububtu 14.04. Help!

This is my first time using Ubuntu. I bought a wiped computer from ebay and I'm just trying to install Ubuntu OS. I downloaded the software, formatted my USB to Fat 32. I used UUI and Yumi both to ...
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1answer
39 views

unable to boot win7 after installing ubuntu

hello i am new to Ubuntu and Linux too, Recently i replaced Ubuntu with win7 after that when i tried to install win back for using both OS i got a problem. its not installing win7 or other versions of ...
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0answers
20 views

Dual boot windows 8.1 and ubuntu 14.0 problem

I have windows 8.1 pre-installed.Then I have installed Ubuntu 14.0 Firstly in grub,windows 8 was not shown.Then I have updated GRUB and it shows the windows 8 but whenever I try to launch it.It gives ...
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1answer
6k views

How to Re-Add Windows XP to grub menu after Ubuntu 11.10 Re-install

Basically, I messed up my partitions and decided to do a full re-install of both Windows XP and Ubuntu 11.10 (I know that 11.10 is outdated, but I was planning to do an update to 12.04 as soon as I ...
2
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1answer
97 views

Rezising Linux Partition which contains the ubuntu OS in 14.04 LTS

I was trying to extend my / partition using ubuntu live cd after installation done before 6 months. For installing a software i needed 9GB more space in my root partition. The size of the root ...
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0answers
45 views

unable to boot ubuntu grub menu appears [duplicate]

12.04 LTS with Windows 7 dual booted. I installed Ubuntu from windows 7 via WUBI so that I can dual boot both. When I try to boot Ubuntu the grub menu appears and I am not able to boot Ubuntu I ...
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0answers
5 views

Grub takes a long time to paint the screen

When I boot up my computer, GRUB is remarkably slow painting the screen. You can actually see the screen paint in real time. Why is this? I have added a GIF showing the process. The GIF actually is ...
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2answers
485 views

Failed to unmount partitions

I'm trying to install Ubuntu from a pen drive. I have windows 7 installed already and want to keep that installation. I have a 3TB drive that has one 2TB partition on it, so the last 1TB is ...
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0answers
46 views

GRUB loader malfunctioning

I have upgraded Windows 8 to 8.1 after having installed Ubuntu 14.04. As usual this led to a problem with Ubuntu GRUB loader. My main problem is that none of the solutions I've found so far work for ...
1
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1answer
43 views

Unable to boot Windows without flash drive in computer

I recently attempted to install ubuntu 14.04 on a usb flash drive so I can use it on the go. I burned the iso to a cd and booted it by doing try ubuntu without installing and then I clicked install ...
1
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2answers
80 views

Upgrading Linux Kernel 3.11 to 3.13 for Ubuntu 14.04 [duplicate]

When I upgraded to Ubuntu 14.04, apparently my kernel was supposed to upgrade from 3.11 to 3.13. Unfortunately, the kernel upgrade did not complete. As a result, I have several files for 3.13, but am ...
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3answers
28 views

How do I update Ubuntu in a UEFI-based Windows 8 dual boot

I got Windows 8 and Ubuntu 14.04 dual booted on my system, and I want to update Ubuntu in the future (not now). How do I do it on UEFI hardware? I got a Gateway SX2110G-UW318 PC. Help? :\
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1answer
56 views

Bootable Windows 7 USB? Please Help!

I have a Asus NoteBook (Refurbished no DvD Drive) and I recently installed Windows Technical Preview (Windows 10) to test it out. After 3 weeks of having it installed I wanted Windows 7 on my laptop ...
0
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1answer
60 views

Error Booting Ubuntu / Windows 7 on Laptop

I tried a lot of guides and walkthrough I found on the net, but my problem still persist: I installed the UBUNTU 14.04 LTS release, and installed side by side my Windows Installation. When I finish ...
0
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1answer
3k views

Ubuntu 13.10 software raid

I had already Ubuntu OS installed on my desktop PC, where the software RAID 5 is configured ( 3 partitions /, swap and home ). This system was upgraded from the 11.04 till 13.04, it was quite messy, ...
2
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1answer
109 views

Black Screen with cursor - Booting from HardDisk & LiveCD

I've formatted my PC and installed Windows 8 & Ubuntu 14.04. I've been working like 1 week with the computer with both OS without any problem My motherboard is Asus M2N32 Suddenly, one day the ...
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3answers
9k views

Installing Ubuntu in a external hard drive and NOT placing GRUB of my C: hard drive

what I want to do is this. I have an external hard disk drive, a SEAGATE expansion 1TB, you can take it a look here: ...
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0answers
25 views

No grub after switching to “boot in secure mode” (Windows8) after Ubuntu being installed

I installed successfully Lubuntu 14.10 alongside Windows8. Being tired of seeing "Booting in insecure mode..." as the PC turned on, I enabled again "boot in secure mode" from Win. As a result the Grub ...
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0answers
47 views

error: file not found. grub rescue

I have read answers to variations of this problem. Specifically I clicked on the recommendation to upgrade an earlier version of Ubuntu on my wife's PC to the latest (14.04.1) It is the only OS ...
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0answers
21 views

Lost password for Ubuntu and grub won't boot? [duplicate]

I cant get into Ubuntu because i forgot my password and Grub won't boot after I press the SHIFT key? How do I get in to my profile?
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2answers
175 views

UEFI machine doesn't boot Ubuntu through NVRAM bootcatalog. How to fix?

An answer posted here should: Avoid to require the user to download and install additional packages or PPAs. Be as quick and simple as possbile. (I tried boot-repair and it didn't ...
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0answers
18 views

GRUB slow respond to key press

So, I new into Linux, Ubuntu and that stuff, but I think I like it. My problem is, the first key pressed after GRUB shows up, GRUB needs really long (about 2-5 seconds) to show any respons, after ...
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0answers
18 views

sudo reboot… but do it from another partition

Is there a way to reboot indicating at the same time a partition from where to boot? As if I were in /dev/sda1 and I wanted to reboot from /dev/sda2 saying "sudo reboot /dev/sda2". I suppose this ...
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0answers
19 views

Load problem after update

I have two computers: a notebook and desktop. Both had 14.04 as a system. First I upgraded the system on notebook using instructions for desktop systems. I didn't have any problems, so I tried to ...
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1answer
97 views

Step by step instructions on how to remove grub2 or mount the EFI partition and delete files (UEFI)

everyone very sorry if this is a duplicate question however I cannot seem to get the instructions on other questions to work. I have been trying to uninstall grub and Ubuntu. I have looked at a lot of ...