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 do I disable GRUB 2 submenus on Ubuntu 14.10?

I'm running a minimal installation of Ubuntu 14.10. GRUB 2's submenu feature is rather annoying and I've been looking for a way to disable it. Neither adding DISABLE_GRUB_SUBMENU=true or ...
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13 views

GRUB Rescue on boot after “Additional Driver” installation

Title says it all. I installed a driver from the "Additional Drivers" menu, and rebooted. I was greeted by "No such device: -hashcode-" and "GRUB Rescue: >". I just want to revert, someone tell me?
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2answers
102 views

Ubuntu 14.04 + Windows 7, cannot boot into Windows

I have spent a day trying every suggestion I can find and using the ArchWiki tutorial. No luck. Here's the situation: I have Ubuntu 14.04 LTS installed on /dev/sdb (installed first). I have Windows 7 ...
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2answers
34 views

Ubuntu partition deleted and cannot boot

I accidentally deleted my Ubuntu 14.04LTS partition lately (with Arconis Disk Director under Windows 7), now I cannot boot either into Ubuntu or Windows. After I start my computer, I will be brought ...
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1answer
28 views

dd confuses grub (and gparted)?

The initial problem was this: I wanted to test the installer I was creating for my app, but of course every time I run the installer it modifies the system, and I needed a way to reset the system to a ...
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1answer
57 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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23 views

“Operating System not found” after advanced install of Xubuntu 14.10

I tried to do a "fresh" install using the advanced install routine of the xubuntu 14.10 64bit CD (Core2Duo P8600). I set the mount points for / (which I formatted) and /home (no formatting, I want to ...
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0answers
20 views

Use Parted to change a partition's flag state

I had a Ubuntu 14.04.1 system with one SSD and one SATA hard drive. I had a problem with the SSD that my system was installed on. I replaced the SSD and installed a new 14.04 on to a it. The /home and ...
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2answers
46 views

Grub not recognizing Windows 7 after installing ubuntu

I've spent the last two days trying to get grub to recognize my Windows 7 installation, to no avail. The situation is as follows: I wish to dual boot Windows 7 and Ubuntu on separate 120 gb SSDs ...
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6answers
3k views

Ubuntu 12.04 LTS on pendrive

I've got a problem with installing Ubuntu on Pendrive. Steps I made: Downloaded ISO from Ubuntu site. Burn it on DVD. Run PC from the DVD (pendrive is plugged in). Followed instruction on the ...
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2answers
55 views

system directly booting to windows without showing grub menu

I have hp pavillion 15 n203tx preinstalled with windows 8.1. I installed ubuntu 14.04 in it. and then it use to show a grub menu everytime I turn my system. the menu was- 1). ubuntu 2). advanced ...
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29 views

Attempted ubuntu 14.04 install alongside windows and ubuntu 10.10

I have searched, and nothing has helped me, so here goes. I downloaded and installed the new version of ubuntu to run because my faithful maverick meercat is starting to become unstable and freeze ...
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1answer
41 views

Problems installing and booting Ubuntu/Grub

I want to install Ubuntu alongside Windows, with it being on an external hard drive. My windows installation is on an internal SSD. I've gone through the installation but I get this message toward ...
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0answers
20 views

CLI: Defoult monitor and it's resolution

To keep long story short: I have 3 monitors plugged into my computer. Main (1920x1080) via DVI, secondary (1440x900) via D-sub and a TV (720p) via HDMI. I want to have CLI (and possibly GRUB) on the ...
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0answers
18 views

Not advanced user | Unable to install ubuntu with hard-coded pre-installed windows 8 Vaio machine

![enter image description here][1]I would like to inform that i have spent the last few days trying to fix the boot issue for my Vaio SVE-14126CA but in vain. My machine has a pre-installed OEM ...
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0answers
22 views

Installing GRUB failed

now trying to install ubuntu server 14.04.1 already for the umpteenth time on my HP ML115, AMD64, 8GB, 320GB HDD. Installation runs through until the GRUB. Then getting the same message that Grub ...
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2answers
5k views

No boot option after installing Ubuntu 12.04 LTS on Acer Aspire 4736z with Live CD

I am facing a problem. After installing Ubuntu 12.04 LTS using Live CD, at the reboot there is no boot option to choose the OS. I directly get logged into my Windows 7. Before that i was having an ...
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1answer
17 views

After inserting a new OS entry, GRUB2 asks for password

Yesterday I installed a new fresh Ubuntu system, and installed Android-x86 in another partition. Then I followed this tutorial to add an entry for Android-x86. My 40_custom file: #! /bin/sh -e cat ...
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1answer
63 views

How to make update-grub recognize zfs datasets as root in /etc/fstab and add minimal set of zfs options?

I'm having trouble to find out how to make update-grub of grub-efi 2.02~beta2-9ubuntu1 recognize the specification of a ZFS dataset as root device in /etc/fstab and conditionally add a minimal set of ...
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3answers
59 views

Remove GRUB menu from Windows Disk

I am currently running two OS's on two physical drives. Windows 7 on an SSD (/dev/sda/) and Ubuntu 14.04 on another hard drive (/dev/sdb). I recently installed Ubuntu and it installed grub on my ...
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2answers
518 views

How to fix “doesn't look like an EFI partition” with WinUSB?

Using WinUSB I get this error. I would appreciate any help as I'm trying to put Windows back on computer to please th' wifey, then dual boot so i can still use Ubuntu. Installation failed ! Exit ...
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0answers
18 views

How can I change background image on Grub, if I am using a different resolution for it?

I know there are questions already asking this, but I'm writing this because they didn't help my case. I am using monitor capable up to 1680x1050 and set the Grub resolution to 640x400, which is same ...
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0answers
42 views

What happend while upgrading to 14.10?

I have tried to upgrade my laptop from ubuntu 14.04 to 14.10 yesterday. Unfortunately some things went wrong. I used the graphical update manager that pops up in unity from time to time. There were no ...
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2answers
4k views

No GRUB Screen or recovery mode on Boot after 12.04 Upgrade

I tried the live boot CD and boot-repair, also loaded the Desktop install CD, and it looks like all partitions check out OK. However, when I try to boot Linux (the only bootable partition on the ...
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1answer
120 views

Deleted my previous linux partition and now getting stuck at grub boot prompt when i boot from usb/ use “ubuntu” option in bios/EFI boot menu

Let me tell you the full story. I had installed ubuntu and used it. Recently i wanted to use windows only (Windows 8.1) So, i deleted the linux partitions from the diskmgmt.msc in windows.I also used ...
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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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1answer
38 views

GRUB doesn't detect Windows XP

I have installed Arch Linux yesterday on /dev/sda1. I used a Live Ubuntu USB to update GRUB, because after I installed Arch, GRUB says: "out of range". So I updated GRUB and all things were fine, but ...
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0answers
34 views

Gave up waiting for the root

I have installed UBUNTU 14.04 on my UEFI based system in which Windows 8 was pre-installed, recently. and I face the following problem whenever I boot from the grub2 boot menu. Gave up waiting for ...
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3answers
3k views

Malformed file warning on boot

About 1/3 of the time that I boot my laptop, I get an error message that says Error: Malformed file. Press any key to continue... I press a key, and then my computer boots up and I can't discern ...
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2answers
23k views

Add Windows 7 to boot menu

Device Boot Start End Blocks Id System /dev/sda1 * 1 13 102400 7 HPFS/NTFS - system restore /dev/sda2 13 4674 37436416 ...
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0answers
25 views

Can't access Windows after installing 14.04

I have a system where I have my windows OS on a 500 gb hard drive and then Linux on an 80gb drive. I'd previously had 13.04 Ubuntu installed on said 80 gb hard drive. While updating to 14.04 via a ...
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1answer
3k views

Problems booting Ubuntu, “gave up waiting for root device”

I had very odd things happen after I decided to upgrade my Ubuntu 12.04 installation to the newer 13.10. I decided to upgrade version by version to avoid losing my configuration. The upgrade from ...
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1answer
25 views

What after GRUB menu?

I have bought a laptop with pre-installed windows 8.1 After following all the steps from this article. (Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)). I tried to ...
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0answers
28 views

Why can't I access memtest from Ubuntu 12.04 Live CD on PPC?

I have a powerbook G4 laying around and I thought I would put ubuntu or lubuntu on it to learn about lunux. I currently have lubuntu PPC on the hard drive and it freezes after a few minutes of use and ...
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1answer
47 views

Computer is really messed up, need to know how to salvage ubuntu after hard reset during 14.10 installation

So I bought my Lenovo T520 back in 2011, and for a while I had no problems, but then I decided to install Windows 8 (a few times, the first few times were unsuccessful because it was an unofficial ...
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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
630 views

Fresh install doesn't appear to work

Alrighty so here is the story: Recently installed Ubuntu 13.04 onto my Dell Inspiron 1745 via live USB setup through unetbootin. Live USB works fine, using a 64bit image, able to browse the net, do ...
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2answers
1k views

Black Screen instead of passphrase screen (sda5_crypt)

I did a fresh install of Ubuntu removing Windows and every data from the drive. I chose the option to encrypt my disk pre-boot. When I boot Ubuntu out of GRUB, I get a black screen for a second or ...
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0answers
26 views

After selecting Grub entry, screen switches to power save

After I select an entry (Ubuntu) from the Grub menu, the screen goes to power save mode. I could eventually get the screen asking me for the HDD encryption password by pressing Alt-F1 and then Alt-F7 ...
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votes
3answers
5k views

How to hide grub menu in ubuntu 14.04

I have two operating systems: Windows 8.1 and Ubuntu 14.04. I want to hide grub menu. I'm using grub 2.02~beta2-9. I tried following combinations of /etc/default/grub #GRUB_HIDDEN_TIMEOUT=1 ...
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0answers
50 views

error no such partition, entering rescue mode, grub rescue, dual boot windows xp

I have installed ubuntu 14 on my netbook alongside with windows XP. I then thought that lubuntu was best suited to a small netbook with 1GB ram and wanted to remove ubuntu in order to install lubuntu ...
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1answer
46 views

New to Ubuntu grub recovery help!

Hi I'm new to Ubuntu and linux. I installed Ubuntu side by side to Windows 7 on my PC. I used the same install disk for my two PCs. On my 1st PC everything is working good! Second PC I sometimes get ...
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1answer
700 views

need to re-install grub2 to /boot pbr (not mbr). Use live cd and the grub-install?

I have dual boot system(Windows XP and Ubuntu 12.04) that was running fine until an auto-update of grub2 this past week-end. I had been using the Windows boot loader to choose the O/S, which allowed ...
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3answers
46k views

Grub not showing on startup for Windows 8.1 Ubuntu 13.10 Dual boot

Ok, so I'm such a newbie to Ubuntu and I bought a Windows 8 pre-installed laptop last month. I updated to Windows 8.1 and then I thought about installing Ubuntu as a dual boot so I could mess around ...
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1answer
81 views

Unable to fix GRUB for dual-boot after BIOS update (using boot-repair)

After my latest update of BIOS (while using Windows) my grub menu went missing. Previously, I was able to repair GRUB menu this way: Booting into Windows Going to Advanced Startup options Selecting ...
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1answer
94 views

No bootable device error message on UEFI after installation

I have a new Acer Aspire E13 (ES1-311-P1D5) notebook. I tried to install Ubuntu 14.10 with disabled Secure Boot but enabled UEFI. After the installation I couldn't bot. I just got "No Bootable ...
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1answer
15 views

Keeping GRUB Intact When Reinstalling Windows 7

My Windows 7 install got corrupt. I'm going to need to repair or re-install it. If I were to go about it normally, Windows would overwrite GRUB and I wouldn't be able to access Ubuntu. How do I go ...
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0answers
66 views

GNU GRUB, Minimal BASH-like line editing screen displays before the usual GRUB screen when dual-booting Ubuntu 14 and Windows 8.1

I have read a couple of posts similar to this issue, but it seems many of them could not boot to Ubuntu after getting this screen due to a bad boot manager. It does not seem this is the case for this ...
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0answers
30 views

Grub rescue file /boot/grub/i386-pc/ not found

I had 4 partitions on my ntb. Recovery, ubuntu 14, windows 7, and media (with documents images and so on). Now I found out that I'll need ubuntu 12. So I shrinked partition with ubuntu 14 (/dev/sda1) ...
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0answers
18 views

After installing Ubuntu 14.04 alongside Windows 7, the latter boots into a black screen

I have a Dell Inspiron 7737 laptop. It came with Windows 8.1 installed. I installed Windows 7 Enterprise edition instead. Then I installed Ubuntu 14.04.1 (had to use FixPart to clear an entry that ...