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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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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0answers
16 views

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, ...
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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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0answers
27 views

ubuntu live cd no detected operating system mac

I have installed refind on a 2012 MBP running OSX 10.10, made free space with Disk Utility, and created a live cd of Ubuntu 13.04. When I get to the choice of where to install it, it says there is not ...
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2answers
5k views

GRUB EFI loader cannot find its config file in /boot

I installed Ubuntu, but when I boot I go straight to Grub rescue command prompt (GNU GRUB version 2.00-19ubuntu2.1). I can get a Grub boot interface by typing: set root=(hd0,5) set ...
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1answer
3k views

How to upgrade from rEFIt to rEFInd

I have recently installed Ubuntu Server (12.04.3) on a MacMini1.1... The MacMini already had OSX (Leopard) on it and I wanted to keep it, so after much research, I used the gpart and fdisk within an ...
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2answers
5k views

Ubuntu 12.04 and 13.04 installs fail if Secure Boot (UEFI) is enabled on Toshiba Tecra R950

Just bought a Toshiba Tecra R950 laptop, which comes with Secure Boot enabled by default, and Win8 preinstalled. I wrote an Ubuntu 12.04 amd64 iso on an USB using Linux Live Usb Creator - LiLi (I use ...
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1answer
76 views

Creating a boot disc and Installing ubuntu ASUS X205T(A)

I am having problems with creating a boot disc and installing ubuntu on an ASUS X205T I just bought. I have successfully (I believe) created a few boot discs with 2 different programs and checked to ...
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0answers
21 views

rEFInd bootloader not loading by default

I'm in the process of hacking my Surface Pro 3 with Ubuntu. The Surface is a UEFI x64 system that uses Secure Boot. At this point I have Ubuntu installed along side Windows, booting through GRUB2 with ...
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0answers
19 views

How to prevent Ubuntu from installing a bootloader? [duplicate]

I want to know if it is possible to prevent ubuntu from installing a bootloader in UEFI install mode as to use gummiboot, my current boot manager which works just great for Arch. My objective would ...
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0answers
49 views

Cannot install Ubuntu alongside Windows 8.1

I've ready many threads here and elsewhere about creating a dual boot Windows 8.1 and Ubuntu 14 machine. It doesn't seem possible. Can I just confirm this is true as its hard to get a definitive ...
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0answers
12 views

Disk image difficulties for old macbook

So I'm trying to install Ubuntu as a single boot on a pretty old macbook (circa late 2006). I downloaded the ubuntu-14.04.1-desktop-amd64.iso and DD'd it to a flash drive, but my old macbook wouldn't ...
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1answer
29 views

Do the amd64+mac versions of Ubuntu work on Windows too? [duplicate]

I've been pulling my hair out trying to get a full Ubuntu installation running on my USB, and I think I just got it working for Windows (by disconnecting my hard drives during Live CD ...
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1answer
35 views

Is it still possible to install Ubuntu to an external harddrive with UEFI?

It looks like installing Ubuntu to an external harddrive isn't possible with UEFI, where as with MBR there wasn't a big difference between external and internal. Is that true or is it still possible? ...
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3answers
3k views

Install problem on UEFI, Windows 8 new desktop

I just bought an HP desktop, p6-2326s, which has windows 8 installed. I have tried booting a Ubuntu live disc but the machine won't boot it. When I bring up the UEFI boot menu it offers a selection ...
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2answers
7k views

Can't boot from liveUSB when trying to install it alongside Windows 7

I'm very noob at Linux and installing techniques. I want to install 12.04 from bootable usb flash alongside Windows 7 (also tried live CD but not working) but computer is not booting from USB flash or ...
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1answer
1k views

Dual boot Win 8 / Ubuntu loads only Win

my computer is a Sony Vaio Notebook. I used Ubuntu and Win 8 with dualboot but windows somehow managed to remove the choosing of the OS at startup. I think the bios is EFI and secureboot was disabled ...
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1answer
4k views

How to delete Refind entries

I'm not sure which area this post would be appropriate, but here goes. I have attempted several different Linux distributions on my Macbook Pro Retina (10.1) before settling on Ubuntu 13.04 and I have ...
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1answer
32 views

Dual boot fails when modifying BIOS

I have a Toshiba Satellite p50 with pre-installed Windows 8.1. I installed Ubuntu 14.04 and the UEFI dual-boot worked fine for some time. However, I realized that every time I make any change in the ...
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1answer
74 views

Unable to boot Ubuntu 14.10 on MacBook Pro

I've installed Ubuntu 14.10 on my MacBook Pro, but now when I try to start the computer I just get a blinking icon that tries to tell me that I haven't got any OS installed. I've heard that rEFInd ...
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0answers
28 views

Lubuntu, rEFInd and Windows 8 Bootloader

I have a VAIO and I installed Lubuntu in UEFI mode. The VAIO also comes up with Windows 8.1 The next thing I know, the VAIO only boot into Windows 8. Every time I try the Boot into another OS option ...
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1answer
697 views

Ubuntu on an Asus X205 Subnotebook?

Anybody succeed in loading Ubuntu on the new Asus X205 subnotebook? I am not certain if the UEFI is 32 bits or 64 bits.
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0answers
82 views

Can I install Ubuntu 14.04.1 alongside Windows 8.1 on a Lenovo y510p?

I recently tried to install Ubuntu (64bit) onto my Lenovo y510p. I partitioned 150GB of space, created a UEFI boot device with my flash drive, and was able to load into a live version of Ubuntu. My ...
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2answers
46 views

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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0answers
58 views

14.04.1 on Lenovo Flex 2-15D

I'm trying to install Ubuntu 14.04 on my new laptop. I've tried the factory original UEFI settings and several modified UEFI settings as suggested on this site and on others. I've tried ISO image ...
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1answer
236 views

Acer Laptop Hangs at Ubuntu Installation

I have bought an acer aspire e11 es1-111m-c064. I've tried installing ubuntu 12.04 with a liveusb. I've managed to get through the installation first time. Restarted and it didnt boot in fact asked ...
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2answers
1k views

Dual boot Windows 7 UEFI Raid with Ubuntu 14.04 Grub2 Problem

I used the intel Raid 0 to raid SSD #1 and #2 on raid 0 for video editing work, everything was good.I installed windows 7 64bit on an asus x79 deluxe motherboard on these raid 0 two ssds using ...
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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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3answers
5k views

Ubuntu LiveUSB doesn't recognize my Windows 8 installation

I have a laptop with UEFI (secure boot disabled) with Windows 8. I am trying to install Ubuntu 12.10 or 12.04 along side Windows 8 on my primary hard drive, which uses GPT. I am only presented with ...
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0answers
27 views

Xubuntu 14.04 on Bay Trail Tablet does not boot whether with Live or Grub after install

I've successfully installed Xubuntu 14.04.1 AMD64 on my asus t100 bay trail tablet, I know that I have to setup grub after install because I need a grubia32.efi file (I think that works with ...
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0answers
23 views

Why BIOS-booted Ubuntu detects Win7 while EFI-booted doesn't?

I recently tried to install Ubuntu 14.04.1 on a computer (not mine) which already had Windows 7 installed. When I tried to boot the Live USB in UEFI mode, the installer as well as os-prober both ...
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8answers
100k views

How to boot Ubuntu from EFI/UEFI?

I installed Ubuntu 11.10 on a newly bought Lenovo ThinkCentre Edge 71 (model: 1577-G3G) with EFI boot enabled. I opted for the Use Entire Disk option. Even though the installation process went without ...
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2answers
17k 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 ...
0
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1answer
48 views

How to install dual-boot Ubuntu on ASUS F202E Notebook

Have an almost 2-year old ASUS F202E notebook that came with Windows 8 and subsequently upgraded to Win 8.1.Since new, it has been a dog. 2GB of non-upgradable memory is nowhere near enough to run ...
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0answers
69 views

Failed Dual Boot: Windows 8.1 & Ubuntu 14 - No operating system found

Please help, my situation is as below: I decided to give a try to dual boot windows 8.1 (Preinstalled with VAIO S on RAID0 (Intel RST)) and Ubuntu 14. However, all my boot entry on efi boot (left ...
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1answer
103 views

Cannot boot into Windows 8.1 after “Trying Ubuntu” from a USB stick

I'm a student who wants to get his feet wet in Linux so I thought I would try Ubuntu. I downloaded the 14.04.1 LTS from the Ubuntu site and created a USB stick with it. I also disabled fast boot in ...
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0answers
15 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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4answers
916 views

Dual Boot Ubuntu 14.04 with Windows 7 on UEFI

I just built a new computer last week, and this weekend I got around to attempting to install Ubuntu 14.04 on it besides Windows 7. This is my first experience really using UEFI, so I was a little ...
2
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2answers
4k views

Ubuntu 13.04 UEFI problems

Note: I've had problems with all variants of *Buntu EDIT: Tried Ubuntu Gnome 13.04 and it just hangs during UEFI boot, just a black screen I can type on til it freezes. EDIT 2: Tried Lubuntu 13.04 ...
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0answers
40 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 ...
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3answers
24 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
2k views

UEFI and “reserved bios boot area”

I purchased a new notebook, which has a pre-installed Windows 8 (upgraded to Windows 8.1). Configuration: UEFI Secure Boot SSD + HDD I downloaded Kubuntu 13.10, prepared a bootable USB stick and ...
0
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2answers
90 views

FGLRX disturbs TTYs and Plymouth graphics

I just installed Ubuntu Trusty on my new SSD, enabling UEFI, which was disabled previously. After the installation finished (and I finally found a workaround for a strange HP UEFI, which denied ...
2
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1answer
3k views

Module 'efivars' does not exist

Several tutorials and how-to's on ask ubuntu re uefi booting refer to efibootmgr as being capable of controlling a uefi boot. In all cases I have seen the tutorial asks you to modprobe efivars How ...
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2answers
146 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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1answer
82 views

Unable to boot windows8 after instaled ubuntu 14.04 in dual boot mode [on hold]

last week i purchase a new laptop in which windows8 is pre-installed. now i want to install Ubuntu alongside windows 8 [following these instruction][Installing Ubuntu on a Pre-Installed Windows 8 ...
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0answers
44 views

Ubuntu 14.04 installed legacy on windows 8 prepackaged laptop (asus)

Here is the rundown... Windows 8.1 came preinstalled on unit, disk manager confirms it was installed with EFI Asus bios 209 will not boot from USB unless secure boot disabled and CSM (legacy ...
0
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1answer
37 views

Dual-boot not working

I have installed Ubuntu in my notebook, used it by the first time for a few hours and then turned off the computer. But when I turned it on again, my Windows loaded automatically. In the System Setup, ...
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0answers
29 views

boot from usb in uefi mod

I try to boot a live ubuntu from my live-usb but when I can do it only when I'm in legacy mod. In uefi it doesn't allow that and it shows only the windows manager. I checked the bios and I can't ...
0
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1answer
85 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 ...