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 UEFI Windows 8.1 Dual Boot

I have installed Win8 and Ubuntu side by side before in the past and had issues with booting which were fixed perfectly the first time using boot-repair. This time, I installed Win8.1 and Ubuntu with ...
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460 views

Why is there no EFI boot loader on the Ubuntu 12.10 x64 Netinstall? (mini.iso)

Im trying to boot the netinstall(mini.iso) toasted to an usb-stick, but there is no EFI loader in that iso image. so it is not possible to load that kind of installation type on an efi powered system. ...
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53 views

How can I remove Ubuntu record from my boot list?

I've installed Ubuntu 12.04 on an external USB3.0 drive. I selected sdb (the usb stick) as grub point and created a new ext4 partition as root on sdb1. Everything went very well and I could either ...
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289 views

Error in boot repair after installing Ubuntu 14.04 alongside Windows 8.1

I`ve installed Ubuntu 14 in my note following instructions from some tutorials in the internet, I had to enable legacy mode to boot from pen drive. Basically, I created the following 4 partitions in ...
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126 views

How do I create an EFI-bootable ISO of a customized version of Ubuntu?

I have created an own Ubuntu distribution that I want to boot (from a USB) on my MAC. When using the standard 64bit-Ubuntu-iso from the Ubuntu website, it boots. However, when doing the exact same ...
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134 views

Windows 8 overwrites boot with Ubuntu 12.10

I have a Sony VAIO S series with Windows 8 preinstalled and then I installed Ubuntu 12.10 partition. The first time I was booting the Grub appeared, and I was able to choose between Windows 8 and ...
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140 views

Problems installing 12.04 alongside Windows 8

I have a Lenovo Y400 notebook, and I hate Windows 8. So, I tried to install and dual-boot Ubuntu. I immediately ran into problems. First of all, 13.10 won't boot. Unfortunately, I haven't tried it ...
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926 views

Ubuntu 12.04 Hangs at “Where are You?” during install

I am trying to dual-boot a brand-spanking new rebuilt computer. I bought (2) 128GB Samsung 840 pro SSDs with the intent of installing Windows 8 (new) on one and Ubuntu on the other... with a 500gb ...
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673 views

How to boot Ubuntu 12.04.2 LTS with UEFI, Nvidia graphics and dm_crypt encrypted LVM

I've just gotten 3 new systems, with Nvidia GTX 660 graphics, Z77 chipset and AMI UEFI BIOS. I've installed Ubuntu 12.04.2 LTS from the Alternate Installer in order to install onto an encrypted LVM ...
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2k views

dell inspiron 15z problems booting Ubuntu in UEFI mode

After several tries I managed to install Ubuntu 12.04 in EFI mode (GPT partition table) on my DELL Inspiron 15z. What worked for me is what is in this post http://askubuntu.com/a/224332/149034, i.e. I ...
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606 views

Unable to try/install Ubuntu 12.10 from LiveUSB

I've got a computer that shipped with Windows 8, installed in EFI. I want to install Ubuntu in dual boot, so I have to install it in EFI as well. I disabled the 'Secure boot' in the BIOS. I created a ...
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48 views

Mac with NO internal hard Drive/brokenEfi and ubuntu

a few years ago I got an old Mac (2009 version). I tried to fix it but I gave up after days of workimg. Last week i tried it once again. It seems that there is no (totally broken, I dont know) Hardd ...
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78 views

Problem cause when install/try ubuntu from USB; got squashfs errors on Dell Inspiron 11

It looks like Squashfs errors were prevalent in the past but I haven't seen much recently. I'm using a Dell Inspiron 11 3000 with Windows 8.1 pre-installed. I turned off fastboot, secure boot, still ...
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135 views

Clonezilla vs. FOG on Ubuntu

I am hopeful that someone in this community will be able to help me. I am stumbling my way through my first experience with any form of Linux computing. Since 2003 I have used Windows and Symantec's ...
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177 views

Ubuntu 14.04 LTS Boot-Repair Error

I always like to start by apologizing just in case this is a duplicate question, but I don't really know what to ask, so I don't know what to look for. With that being said, I'm running a Lenovo V570 ...
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42 views

How do I replace Ubuntu on a Windows 8 UEFI laptop?

I understand this is an Ubuntu forum so it might be a little weird to ask how to install over Ubuntu, but I thought this might be a good place to ask. I'm currently dual booting Ubuntu and Windows ...
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52 views

UEFI, NVRAM, and Portable Installed USB Drives

I would like to know how to create a portable installed Ubuntu system that is bootable in UEFI, as opposed to a persistent live system. I think I am encountering problems with non-volitile RAM. I ...
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77 views

I just installed Ubuntu 14.04 but there is not boot option

I have a notebook with win 8 (UEFI) on it so I decided to install ubuntu 14.04. I installed it on NOT UEFI mode I created 2 partitions a swap memory and then an ext4 and installed ubuntu everything ...
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501 views

Dual Boot Windows 8 and Ubuntu Problem (UEFI)

I just installed new Ubuntu 14.04 in my Laptop. (Lenovo IDEAPAD Y410P). In installation process Ubuntu advice me to create a bios_boot partition. So I made it. Once the ubuntu installed, the grub is ...
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0answers
107 views

Failed to boot Windows 7 after installing Ubuntu 12.04, invalid EFI file path

First I installed Windows 7 64-bit ,then I installed Ubuntu 12.04 64-bit. When installing Ubuntu, I found my BIOS was UEFI, so I installed Ubuntu like this: https://help.ubuntu.com/community/UEFI ...
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706 views

Windows 8 to Ubuntu, new Acer Aspire V3-772G

I'm trying to install Ubuntu on my new Acer Aspire V3-772G. Unfortunantly, when I boot from my bootable USB drive with nomodeset it doesn't load the graphical interface, but when I click ctrl+alt+1 ...
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0answers
34 views

Ubuntu 12.04 64-bit; strange boot results

I recently installed Ubuntu 64-bit on a new hard drive by first creating a FAT 32 partition for the UEFI boot partition to be installed on, and then running the install via an Ubuntu bootable jump ...
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89 views

Cant install from USB or DVD — Posted solutions not resolving the issue

Hi and thanks for taking the time to view my question, I've been trying to install X/Ubuntu (12/13.04/10), all to no avail. From USB I always encounter the output: BusyBox v1.13.3 (Ubuntu ...
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30 views

When I click install xubuntu I get a black screen saying empty security header

sometimes It goes past this and lets me install but it just ended like this I am installing with a USB stick.
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736 views

no bootable devices | Win8 UEFI + Ubuntu | after boot-repair “winEFI detected, do you …”

I have a Dell Precision M6700 with Win8 preinstalled. Wanted to install Ubuntu. I am not an expert on grub/boot/UEFI stuff, so followed advice on different forums. Did the following: unchecked ...
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752 views

Acer Travelmate P253-M Freezes on BIOS screen after boot-repair

I was trying to create a dual boot of Windows 8 and Ubuntu. I successfully installed Ubuntu on the hard disk but it wasn't able to boot. I retried several times with boot-repair, choosing different ...
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0answers
146 views

Installing Ubuntu alongside a pre-installed version of Windows 8 with UEFI

I've heard a lot of good things about Ubuntu, so I decided to try it out on my HP notebook 2000 laptop (via LiveUSB). My laptop came pre-installed with Windows 8, and it has a UEFI system. However, ...
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978 views

How to boot Ubuntu 12.04-64bit from a USB from Compaq CQ58

I try to boot Ubuntu 12.04, 64-bit on my Compaq CQ58 laptop from a USB but it is not working. I've correctly installed the Ubuntu on my pen drive following the instructions on Ubuntu website. ...
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0answers
652 views

“No bootable device — insert boot disk and press any key.” - ubuntu 12.04 install on ssd

I have new lenovo g580 notebook, where I changed 1TB hard disk to 250ssd ocz-vertex4. I had previously installed windows and linux 12.04 on this disc and when I put it in new lenovo g580 suprisingly ...
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202 views

Ubuntu install on Asus UEFI network not working

I did a complete wipe of my windows 8 and replaced it with Ubuntu (ASUS V500CA-BB31T). When I boot into Ubuntu none of the networking works, not even the Ethernet cable is recognized. When ...
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191 views

Fresh installation of 12.04.3 or 13.04 always boots to terminal/graphical boot fail (AMD)

I'll just say that I am not experienced with Linux, and I've attempted to install Ubuntu on my Windows 8 UEFI laptop at least ten times this past month. I've tried the LTS 12.04 version which greeted ...
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0answers
235 views

Black screen whenever I try to boot Ubuntu 13.04 with Dual Graphics

I'm currently using a Lenovo IdeaPad Y510p with SLI Dual Graphics [2 NVIDIA GeForce GT 750m cards]. My computer has a UEFI BIOS and Windows 8 pre-installed on the EFI HDD. I installed Ubuntu 13.04 ...
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0answers
119 views

Ubuntu 12.04 dualboot withpre-installed win8 on acer v5 171

This is my first time working with Ubuntu as I want to learn more about it, i hope anybody can help with the following: After reading online and this forum I finally got to this point that I see in ...
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0answers
186 views

trying to dual boot Win 8 and Ubuntu 12.10

I have been trying to install Windows 8 and Ubuntu 12.10 ( 64 Bit ) on a Lenovo twist notebook. I have now installed Windows 8 ( with UEFI, secure boot disabled ) and I am following the instructions ...
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342 views

Invalid EFI file path to Windows 7

I recently installed on my computer (along to Windows 7) the Ubuntu 12.04 I downloaded rEFind software that I could work with both systems (and it worked just fine) I updated the Ubuntu to the newest ...
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0answers
90 views

Inspiron 7520 Suspend/hibernate problem Ubuntu 64 bit

I am currently using Ubuntu 12.10 64 bit, booting with UEFI. I am experiencing a problem since I have begun to use my computer linux. The problem is that the timer goes wrong when I awake my computer ...
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0answers
163 views

How can I repair the GRUB using Windows 8?

I am running on a HP Envy DV6 laptop with an AMD A8. It has windows 8. I installed Ubuntu from a LiveUSB that I created, but it wont give me the option to boot into it. I disabled secureboot and ...
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0answers
875 views

Boot issues with Windows 8 and Ubuntu 12.10 - BIOS Setup lost!

I got a new laptop (a Vaio S series) which came with Windows 8. I wanted to install Ubuntu 12.10 alongside Windows, so I used a Ubuntu CD, booted from it and installed Ubuntu. Installation finished ...
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0answers
257 views

How to partition my hard drive to have a Ubuntu 12.10/Windows 8 dual boot with UEFI?

In the "Allocate drive space" step, how should I partition my HDD? I want to keep my current Windows 8 installation. link to the image Do I need to create another EFI partition? I'm thinking in ...
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0answers
144 views

should I write over windows 8 efi

Am dual booting ubuntu 12.04.2 and pre installed windows 8. I don't want to mess with the windows efi as I don't have the disk and don't know what will happen. I could not determin from ...
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82 views

Ubuntu 64 bit and Win7 64 EFI does not work together

I'm desperately trying to install Ubuntu on my Win7 machine, without success. I tried to: - install a boot partition on Ubuntu on C:\, where Windows lives, and "/" (root) in my other hard drive, which ...
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458 views

ubuntu 12.10 how to install on HP Sleekbook 15-B040SL uefi system boot

Hi i made an install on HD extern, now i can run ubuntu 12.10 from that external hard disk, it is nice but it would be better to run ubuntu on hd internal. I suspect that the hd extern installation ...
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797 views

12.10 installation with LUKS encryption & LVM in EFI mode

I try to figure out how to perform an installation of Ubuntu 12.10 (EFI Mode) with LUKS encryption and LVM scheme. What I've done so far: Booted on a GParted Live CD 0.14.1-6 in "EFI mode only" (in ...
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93 views

Can't boot Ubuntu with UEFI after upgrade to 12.10

I tried Boot-Repair with different options, and each time I get error: file not found. First time I selected sda3 as a separate EFI partition (which is correct) here's the configuration ...
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11 views

Windows 8 and Ubuntu Dual Boot Issues

I know tons of people have issues dual booting Linux with Windows 8 machines because of all the UEFI garbage. In fact, I had a similar issue last year. After installing Windows 8 next to Ubuntu, I ...
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0answers
19 views

Ubuntu 14.04 fails to live boot

Back story, skip I recently had a problem where my Windows 7 somehow shut down mid update. I almost never shut down my PC and Windows decided to update itself. Windows 7 was completely dead with no ...
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0answers
38 views

Unable to repair GRUB with Boot Repair

I installed Ubuntu on my laptop, which came with Win 8.1 preinstalled, with UEFI of course. So, I disabled secure boot and I installed without much interruption, but I realized that I could only boot ...
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0answers
40 views

No boot option after installing Ubuntu

I just got a new ASUS laptop with Windows 8 preinstalled. When I installed Ubuntu, everything went smoothly but when I restarted it, it booted into Windows. I checked the boot options in the UEFI BIOS ...
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0answers
16 views

Xubuntu install CONSISTENTLY fails on UEFI systems

Today I installed Xubuntu 14.04 on a 5th laptop. This laptop had UEFI enabled by default. So far I have installed Xubuntu 13.10 and 14.04 on about 10 different laptops, all of which had UEFI enabled. ...
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62 views

Why do I have duplicate “ubuntu” entries in my boot loader menu?

When I enter my boot menu, I see two entries labeled "[ubuntu]" that load exactly the same operating system. The recovery entry is also missing. I ran Boot Info Script, which typically covers ...