Questions about the Unified Extensible Firmware Interface that finally replaced the BIOS on newer desktops and laptops with the release of Windows 8. UEFI is independent from CPU architectures and supports booting via UEFI with and without secure boot enabled as well as legacy booting via CSM.

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How to boot Ubuntu after removing Windows on UEFI system

After previously dualbooting Ubuntu 14.04 lts with Windows 8.1, I finally bid my farewells to windows and wanted to make a complete switch to linux. I decided to upgrade to Ubuntu 14.10 as there frame ...
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60 views

Ubuntu14.04 Installer Crashes

I have been trying desperately to install one of the linux distros but I'm not having luck. Usually, the reason is GRUB not installing. Now, I'm not a linux guy and I rely on help from others. One of ...
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1answer
31 views

Upgrading to UEFI motherboard while keeping old hard drive

I want to upgrade my motherboard+CPU, but have no desire to reinstall my Ubuntu system (Ubuntu is the sole OS in the hard drive). My current MB uses BIOS, but the new one will almost certainly use ...
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2answers
128 views

Can't boot after deleting EFI boot- and Windows-partition

I got an HP Split x2 with Windows 8 pre-installed. I deleted it, and installed Ubuntu. However, I was wanting to play a few games that didn't work too well on wine, so I created a NTFS partition and ...
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85 views

How can I chainload Fedora GRUB from Ubuntu GRUB?

I have a laptop with an UEFI setup, and I have the following OSs installed: Windows 8 Fedora 21 Ubuntu 14.10 Secure Boot is turned on! Booting all these from the UEFI boot menu works fine. I am ...
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3answers
105 views

Dual-boot with UEFI borked. Help!

I first installed Windows 8.1 on my machine, and then installed Ubuntu 14.04 LTS. This is what my partition table looks like: The problem is that when I boot the machine, I see no boot loader ...
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1answer
25 views

How to load Ubuntu boot option after hiding it in Windows?

I've installed Ubuntu, and I had it set so that whenever I turned on my laptop, it would load a purple screen that would allow me to pick from Ubuntu or Windows. Well, I screwed with a setting in ...
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2answers
49 views

dual-booting now have 2 grub-menu's

I have a Dell Inspirion laptop stock with Windows 8.1, I have added Ubuntu 14.04. Ubuntu install went perfect, rebooted came to the regualar, grub2 menu, (I say regular because it's the same one I've ...
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1answer
53 views

Restore /boot/efi

Recently I apparently corrupted my /boot/efi partition, I got according error messages at boot and a manual console to remount it. I tried to reformat it (mkfs.vfat 32), reinstalled grub ...
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1answer
81 views

Help installing ubuntu 14.04 with windows 8.1

To start off I'll let you all know I have a Lenovo T430s running the preinstalled windows 8.1. What my initial plan was (and I have yet to find a way to do it), was to install Ubuntu 14.01 onto an ...
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1answer
57 views

Ubuntu Screen goes black after boot using Dedicated GPU

After installing a fresh copy of Ubuntu (14.04 LTS) I am not able to see anything after boot. Once Ubuntu boots, There is no HDD Activity and the Display remains black with no image on the ...
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2answers
48 views

Official Installation Documentation?

Is there an 'Official Ubuntu Linux Documentation' Page on the topic of (How to correctly go about) Manually Partitioning for an UEFI install of Ubuntu 14.04 LTS (and later) During the “Something Else” ...
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1answer
81 views

efibootmgr doesn't match what's really used on MacBook Air

I'm on a MacBookAir5,2 (2012) and I've been running Ubuntu along side Mac OS X for some time. I used rEFIt when I first installed Ubuntu and that worked fine. As I started working with Docker, I ...
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1answer
66 views

How to Correctly Set up Dual Boot windows 7 and ubuntu on 120Gb SSD drive with UEFI

For as long as i have had my Alienware M17xr4 Laptop i've been trying to set up dual boot windows 7 and ubuntu 14.04 in UEFI mode.. I have a 120 SSD Drive partitioned to 80GB for the Windows 7, ...
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1answer
60 views

Ubuntu appears twice in UEFI boot options

I'm a noob at Ubuntu, but when I enter in the UEFI boot menu, Ubuntu appears twice (like this: Ubuntu (P0 : ST750LM022 HN-M750MBB). I installed Ubuntu in UEFI mode as my only operating system, ...
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68 views

Install Ubuntu 8.04 in triple-boot with Unbuntu 14.04 and Windows 8.1 [closed]

No, this isn't the typical duplicate question about dual Ubuntu (12+) with Windows 8. I am way past that, dual booting beautifully Ubuntu 14.04 LTS & Windows 8.1, thanks to this excellent answer ...
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1answer
328 views

How to start installation of Ubuntu 14.10 on Dell XPS 15 (along Windows 8.1)?

I recently bought a XPS 15 with Windows 8.1 on it and I'd like to install Ubuntu 14.10 along the side. I've copied the .iso file on a USB stick and registered it as a boot option in the BIOS/UEFI. ...
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1answer
104 views

Fresh Ubuntu UEFI installation won't boot

On my Toshiba, Satellite E45T Ultrabook I have made a backup of my Windows 8 recovery partition; then I booted a Live USB with Ubuntu, cleaned everything on my HDD (750GB) and SSD (32GB) and installed ...
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1answer
39 views

How to reboot ubuntu of of live cd (USB) with ubuntu installed?

After finding out how to fix my hard drive partitioning problem, I went to boot from a live usb only to find out that the try Ubuntu option didn't come up in the grub menu and would only take me ...
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2answers
103 views

How can I install Ubuntu on my Acer 6860 E1-472p? [duplicate]

How can I install Ubuntu on my Acer 6860 E1-472p? I have tried disabling secure boot, as shown by some tutorials, but does not work.
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1answer
599 views

CLOSED - OS X Yosemite - Live USB - Black screen when trying ubuntu 14.04 [closed]

First of all, I have a Macbook Pro mid 2009 with Intel Core 2 duo running OS X Yosemite (8Gb of ram, 500Gb SSD), I downloaded ubuntu-14.04.1-desktop-amd64.iso and I use a 4Gb USB stick Here is what ...
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0answers
36 views

win 7 boot fail after 14.04 dual install

had windows 7 pre-installed followed instructions pretty much exactly here http://www.linuxbsdos.com/2014/05/30/dual-boot-ubuntu-14-04-and-windows-7-on-a-pc-with-uefi-firmware/ but now..windows won't ...
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2answers
1k views

How to Dual boot Windows 8.1 with Ubuntu 14.10

As a new user to linux, I thought I would start off with the latest version of Ubuntu (14.10) since it is the only one I'm familiar with. After trying numerous times, changing UEFI settings and ...
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2answers
105 views

Install Ubuntu 14.04 alongside Windows 8 Problem [duplicate]

To begin with I am new in Ubuntu and I am trying to install Ubuntu 14.04 to my PC. I have a Sony Vaio VPCF24P1E. I have read many questions and answers about the same topic and I still cannot find a ...
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1answer
77 views

Black screen when trying to install Ubuntu 14.04 desktop

I have an MSI X79A-GD65 motherboards with an NVIDIA GeForce GTX 560 Ti graphics card. I am not sure if it is the UEFI BIOS (which I'm not sure why I can't find the option to disable) or the video card ...
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1answer
110 views

Operating system not found; can't dual-boot

Been using Ubuntu since 2012, dual booting Win7 on my Aspire 4750G. But in early 2014, Ubuntu 13.04 started booting slow (was not able to list down error messages), until it simply would not boot. I ...
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1answer
528 views

Ubuntu 14.04.1 LTS installer does not recognize Windows 7

I'm installing ubuntu and it seems I cannot get it to recognize windows 7. My laptop is a dv6tqe-7000 purchased approximately December of 2012. I have ubuntu's iso file burned onto a DVD which boots ...
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1answer
583 views

VirtualBox boots only in UEFI Interactive shell

I installed Ubuntu 14.10 in VirtualBox with UEFI. But now I have rebootet this OS and now it boots into a UEFI Interactive Shell v2.0. How can I boot normaly into Grub again? I hope you can help me, ...
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1answer
76 views

Want Ubuntu and Windows both on My Laptop

Some days ago i used Ubuntu 14.04 LTS for 2 weeks and loves it. On that time i had completely install Ubuntu on my laptop. Now the problem is i also has to developed .Net applications. So i need both ...
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2answers
246 views

Install Ubuntu on fresh new SSD alongside with windows on another SSD

I did a lot a research to check if my question was already answered or not, but so far I've only seen two related questions in Can I install Ubuntu on a separate SSD, AFTER having encrypted my Windows ...
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1answer
66 views

Windows not booting anymore after using easyBcd

I decided to install a dual boot on my windows 8.1 machine. Everything was working fine, but I had the unattractive grub booting option. I wanted to have the good-looking graphical windows boot ...
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1answer
193 views

Dual Booting 14.04 and Windows 8.1 on Sony Vaio Tap 20

I have been toiling away the last week trying to get 14.04 to dual boot on my Sony Vaio Tap 20. This is the method I used to install: Disable fast boot, disable secure boot LiveUSB install of ...
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2answers
369 views

How to install Ubuntu and boot on Toshiba Satellite?

Downloaded and burned ubuntu-14.04.1-desktop-amd64.iso. Checked md5 of iso and md5 of burned DVD. Installed 14.04.1 LTS on a new Toshiba Satellite laptop. Replaced the existing Windows 8 install. The ...
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3answers
208 views

Boot-repair Boot Info: dual boot Windows 8 and Ubuntu

I cannot boot Ubuntu installed alongside with Windows 8.1 on my laptop with UEFI (Sony SVP1322R4RBI). I followed the instructions on dual boot Windows 8 and Ubuntu, tried Boot-Repair with ...
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1answer
179 views

installing Lubunto/linux on laptop wireless not working— broadcom 802.11n?

I am using an acer v5-471 laptop with 8gb ram, windows is laggy and I want to switch to linux, I took a particular interest in kali and downloaded it on a usb and booted it, it worked fine but the ...
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0answers
300 views

Asus x200ma dual boot windows 8.1 and elementary OS. UEFI [closed]

I just downloaded Elementary OS Luna on a flash drive and booted it in windows using this tutorial https://m.youtube.com/watch?v=46FtBpv6Bjk . I made a 20 GB recovery for windows. A 4GB swap partition ...
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1answer
243 views

Windows 7 Pro/Ubuntu 14.04.1 installation issues

I wonder if someone can help me figure out why I can't set up a Windows 7 laptop for dual boot with Ubuntu 14.04.1 LTS? I have been trying for a couple of weeks now. The problem is seems to be that ...
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1answer
57 views

Cancelled ubuntu server 14.04.1 LTS and now server won't boot

SOLVED. I cancelled the install as the title sais. The problem is now I can't boot into ubuntu, all it shows is a flashing underscore on a black background. I've tried resuming the download from the ...
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390 views

Ubuntu on Surface RT?

A continuation of Can Ubuntu run on a Microsoft Surface with Windows RT? Regarding the Duplicate Votes: Technology has changed. Now that Ubuntu natively supports UEFI and Secure Boot, this ...
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1answer
209 views

1 MB “free space” partition is an EFI partition?

My computer already has two pre-installed OSes: Windows 7 and a customized Linux distro. Both are in UEFI mode. GRUB is already installed too. I'm trying to install Kubuntu 14.10 alongside these two ...
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0answers
203 views

64 bit 14.10 installation iso does not boot on Lenovo V570.

I have tested this with a usb drive and burned to a DVD. Whenever I try to boot the image, I get: Booting in insecure mode _ and then the screen goes blank after a few seconds. Nothing else happens ...
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1answer
324 views

Dual Boot Win7 and Ubuntu: UEFI vs MBR clean install

I know that similar questions have been asked, and I've researched all over the net for a concise, clear answer to this, but I have not been able to find a suitable solution. I just built a new ...
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0answers
160 views

Can't get to grub menu for dual-booting windows 8.1 and ubuntu

I have been knocking my head against this issue for weeks, and I am at a point where I do not know where to go next. I have a Sony VAIO that came pre-installed w/ windows 8 (has since been updated to ...
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0answers
40 views

Dual-boot Windows and Ubuntu constantly crashing

http://paste.ubuntu.com/9597237/ I have an Ubuntu 14.04 dual booting with Windows 8. I want to be able to switch back and forth, but that seems to be an iffy proposition. The Windows was installed ...
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4answers
248 views

Xubuntu / Cannot boot unless navigating to EFI file in BIOS

I have a boot problem on my laptop (HP ProBook 450 G2) since I tried to replace the pre-installed Windows 7 by Xubuntu 14.04. The BIOS uses the UEFI boot mode (but trying the "Legacy" boot mode does ...
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0answers
151 views

Mac mini 2014 not booting Ubuntu 14.04 (no dual boot)

I just installed Ubuntu from a live usbkey on my brand new mac mini. Clean install to main HD with no dual boot or funny business: I plan on booting Ubuntu from the internal HD and connecting an ...
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1answer
60 views

Ubuntu UEFI entry deleted. I need to restore or push another

I reinstalled Windows 8 yesterday. My mistake was deleting the EFI partition, so the entries for Ubuntu have gone. Now, I have lost Grub and my PC boot Windows automatically. There's any way to push ...
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2answers
362 views

How to install multiple Linux Distros and Windows 8 on UEFI?

I want to install Windows 8 + Ubuntu 14.04 for daily use + Ubuntu Studio for audio production. The method I've followed is to install W8 in the clean disk, then shrink the Windows personal data ...
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2answers
2k views

Ubuntu 14.04 single-boot with UEFI-mode enabled

I recently purchased a Dell Vostro 5470 with a pre-installed Windows 8 OEM on a HDD 500GB. Now I'm trying to replace the HDD with a Sandisk SSD 240GB as my main disk (next step will be use the HDD ...
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Fresh install of 14.04 - Gave up waiting for root device

I hope you can help me. I've read many, many questions and solutions to my problem on here, however so far I have been unsuccessful in resolving the issue. The system is a Asrock e350m1, 4GB RAM, ...