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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Theoretical question: removing the wrong entry with efibootmgr?

Efibootmgr lists Ubuntu and Windows Boot Manager, as well as two other things that say UEFI (I'll update this with better info later, I'm on mobile). If I were to accidentally remove windows or the ...
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22 views

Unable to install Ubuntu 14 LTS (64bit) on Lenovo Ideapad S205

My Lenovo Idepad S205 seems to be in a worse situation than in the question here Unable to upgrade or fresh install Lubuntu 14.10 (32bit) on Lenovo Ideapad S205 Unfortunately the answer given there ...
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0answers
16 views

Full Disk Encryption on Mac PC with EFI dual boot

Recently I installed Ubuntu Server 14.04 LTS on my Mac Mini late 2011 using following article "Ubuntu plus mac pure efi boot" instructions. Now, I want to do dual boot in my Macbook Pro where I ...
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1answer
19 views

How do I install Ubuntu 14 with UEFI and software raid0 on GPT SDDs

I usually work on a Mac and would like to setup a Linux workstation for Development. I have no experience installing Linux, because the servers I work with are hosted VMs. Most of the Ubuntu specific ...
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12 views

Black screen when testing

I wanted to use Ubuntu on my pc since I saw some other people using it, I burned it on a DVD+R DL disk (8.5 GB dual layer) And tested it both on single-and dual layer. I did get the ubuntu screen to ...
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1answer
27 views

Lenovo g500s dual boot

so here goes another dual boot thread. Before anybody screams at me, I've scoured the internet looking for threads, because Lenovo apparently decides to over complicate things. So here we go: Lenovo ...
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1answer
15 views

Blurry screen during and after install process

Alright so I've been stumped on this issue for a while now and I'm not sure how to fix it. I'm trying to migrate from Windows 8.1 however when I try to install Ubuntu (or any other OS that supports ...
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42 views

Unable to install ubuntu alongside windows 8.1 with raid0: no partitions detected

I tried installing Ubuntu 14.04 alongside windows 8.1 on my machine using an Ununtu USB drive in UEFI mode, but no luck: My machine is Asus UX301, preinstalled with Windows 8, upgraded to 8.1. Got ...
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0answers
20 views

Loosing UEFI boot option after installing Ubuntu 12.04.3 on Asus A455L with Win 8.1

I have a new laptop that I and my wife share, she needs Windows and I want to try Ubuntu. I installed Win 8.1 first and Ubuntu 12.04.3 in dual boot mode after. The problem is: No dual boot, it goes ...
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0answers
12 views

UEFI boot hangs at grub with 82599ES 10-Gigabit SFI/SFP+ network adapter

I am using MAAS to commission and install machines. When I attempt to commission a machine with a "82599ES 10-Gigabit SFI/SFP+" network adapter the following happens: 1) TFTP Request — bootx64.efi 2) ...
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41 views

Move boot and swap to another disk

I installed ubuntu 14.04 on a hdd an I have another small ssd disk now I want to move boot and swap to the sdd disk how can I do this wihtout losing any data edit: I mean with boot the bootloader ...
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16 views

problem with grub2 rescue error in uefi system

I am a user of Lenovo B480 I installed the windows8 in UEFI mode alongwith ubuntu 14.04 & I have a GPT partition table.and my ubuntu grub has gone.I tried the bootrepair disk its not working how ...
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0answers
32 views

How to boot Windows 8 installed in legacy mode using GRUB in EFI mode?

This question is linked to this: How to boot Windows 8 from a legacy MBR partition in UEFI mode via GRUB? But I can't access windows anymore, so I can't run bcdboot. Here's my partition tables: ...
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1answer
50 views

Format from terminal(ctrl+alt+f1)

24 hours ago I start using for the first time Ubuntu 14.10. I tried to install AMD GPU drivers and then I install from the terminal the fglrx and after a restart I got the The system is running in ...
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1answer
55 views

Create UEFI bootable USB stick to install Windows AND Ubuntu from it

I know how to make a UEFI bootable stick to install Ubuntu (explained here) and I know how to make one to install Windows 7 (guide in German, sorry). I guess for Win 8 the procedure would be similar, ...
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1answer
86 views

Symbolic links error while creating Ubuntu UEFI bootable USB

I have tried to create UEFI bootable USB drive within Ubuntu 14.10 (Startup disk creator didn't help nor I am interested in using it.). I have formated USB with FAT32 and GPT. So the only thing left ...
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1answer
61 views

Question regarding dual boot (BIOS/UEFI, SSD)

I'm totally new to ubuntu and want to ask some things before diving into it: First off I have an Asrock z77 extreme 4 and 1 SSD with Windows 7 installed. On my second (empty) SSD I want to install ...
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0answers
84 views

elementary OS Freya won't boot [closed]

I have been doing Linux since last June and I have found my way around it pretty well. But I have been trying to boot elementary OS Freya beta 2 to my windows 8 UEFI laptop, I have tried using ...
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0answers
48 views

How to uninstall Ubuntu completely and install Window 8.1 from USB?

I have a laptop with Ubuntu 14.04 only but I want to uninstall Ubuntu and install Windows. Should I just do the following or there are some special instructions (i don't want to backup my files)?: ...
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0answers
11 views

Ubuntu UEFI installation no video / currupted video out

I wan't to install Ubuntu 14.04.2 on my new system via a bootable USB stick (UEFI). The system correctly recognizes the stick as UEFI and I get the UEFI grub menu where I can choose what to do. ...
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1answer
37 views

Booting Into Fresh Install of Ubuntu on Lenovo x120e

Finished installing Ubuntu, in what appears to be a successful installation. However, I cannot boot into it ("No Operating System Found"). After researching, I came across this article that advises ...
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1answer
49 views

Why there is no 32bit EFI boot available on current ISOs?

I have an old Macbook 3.1 with a broken disk drive. I was going to throw it to the trash when I found EFIs boot great solution which works from USB pendrive. I was able to install Ubuntu 64bits on ...
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1answer
50 views

Dual boot giving boot priority to Ubuntu 14.04 (UEFI based)

I will install ubuntu in a computer with pre-installed Windwos 8, this summarize all procedures (Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)), but something very ...
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1answer
38 views

Ubuntu installed on a pendrive - bootloader issue [duplicate]

In my PC I have a HDD and SSD. On my SSD I have installed Windows 8.1, and my HDD's sole purpose is to hold some data. I needed access to Ubuntu, so I installed in on a pendrive and it's working fine ...
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2answers
85 views

Attempted Installing Ubuntu on Windows 8.1 UEFI, Confused about booting in UEFI, Legacy Mode

I followed this Askubuntu Post to install Ubuntu as dual-boot with Windows 8.1 pre-installed as(UEFI),but I am not able to dual-boot and tried Boot-Repair I first burned an Ubuntu ISO on a blank ...
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1answer
54 views

Booting USB From Computer Running UEFI

I have downloaded the Ubuntu iso file and created a bootable USB drive according to the instructions on the download page. Unfortunately, I am running a computer with Windows 8 and I cannot seem to ...
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2answers
102 views

Failed to open \EFI\Microsoft\Boot\grubx64.efi - 80000000000000E

I have a fresh install of 14.04 on a new SSD. Everything was running fine until I ran boot-repair for some reason that I cannot remember. Now when I boot up I get the following errors: Failed to open ...
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0answers
37 views

Bootable device not found after clean install of Ubuntu 14.04 UEFI

I have a single boot laptop where I performed a clean installation of ubuntu. After bot it shows a I tried running boot-repair with this output http://paste.ubuntu.com/10605939 When if finishes it ...
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2answers
89 views

Dual boot ubuntu-gnome 14.10 and windows 8.0 on sony vaio note [closed]

I had many problems to fix the grub on my Ubuntu Gnome 14.10. In my case, I formatted both Linux and windows, but this can help if you only format your Ubuntu. Go to the BIOS interface, disable ...
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2answers
90 views

Ubuntu Server 14.04 after perfect install, boots into blank screen

After installing Ubuntuserver 14.04.2 LTS without any errors I tried to boot into my SSD and then I just got to a blank screen with a blinking underscore. There was no input except for "Ctrl + alt + ...
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37 views

Solved-Install Ubuntu on Yoga 2, first windows 8 install

So, I recently just got a Yoga 2, and found this guide to installing ubuntu on it https://datainfer.wordpress.com/2013/11/21/install-ubuntu-on-ideapad-yoga-2-pro/ My question is, In the guide, it ...
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27 views

Ubuntu 12.04 and Windows 8.1 efidisk read error

I successfully dual boot Ubuntu 12.04 and Windows 8.1 UEFI Boot Mode Ubuntu 12.04 and Windows 8.1 UEFI When I boot, it shows error:efidisk read error, but it goes to Grub's boot menu right after ...
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1answer
30 views

Boot in UEFI mode

I have ubuntu 14.10 installed on a pendrive in legacy mode. I can use it to boot my desktop and tablet in legacy mode, but not UEFI. Is there any way to make it bootable in UEFI mode? For example, ...
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0answers
15 views

Install 32bit Ubuntu on a Lenovo Lynx 32 bit processor, UEFI

I have a Lenovo Lynx which does not have an option for legacy boot, cannot disable UEFI. However, it is a 32 bit processor. Does anyone know how I can install 32bit Ubuntu and get rid of Windows 8.1? ...
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0answers
39 views

Black screen and restart after grub menu

So looks like this question gets asked a lot, but it is after ubuntu is installed it seems. I haven't messed with a Linux distro in awhile, but I am sure I am doing it right. I have tried installing ...
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0answers
27 views

Problem installing Ubuntu 14.04 on MSI NIGHTBLADE B85-019XEU

Im trying to install Ubuntu 14.04 on a brand new machine, MSI NIGHTBLADE B85-019XEU. It came with no OS but the motherboard is a UEFI. Im trying to troubleshoot by looking for help in the forums but ...
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2answers
96 views

Help With Dual Boot Ubuntu 14.1 and Windows 8.1

So here's my problem. I used YUMI from pendrivelinux.com, and I made a Ubuntu LiveCD. I tried manually and automatically partitioning, and I ran into many problems. After rebooting after installing ...
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2answers
54 views

the selected disc is of gpt partition style error

I want to install windows 8, but I am getting this error the selected disc is of gpt partition style. I already have Ubuntu 14.04 install with UEFI boot. I have 3 partition in the order of: UEFI ...
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1answer
52 views

no bios, no grub, no Kubuntu after updating to 14.10

I was running Kubuntu 14.04 LTS 64-bit on Acer Aspire 5560G for some months. I have updated regularly without any troubles. Today I have decided to upgrade to 14.10. Upgrade worked flawlessly. After ...
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1answer
25 views

Which X509 Certificate for Ubuntu Do I Require for Shim UEFI Key Management

Can people please let me know what selections I need to for this - I select enroll from disk and then am presented some .efi entries to choose from. Any ideas/help on what I need to do here as I am ...
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1answer
46 views

Switching disks make boot fail

I have two SSD disks with Ubuntu 14.04.02 on both. They don't share the UUID or anything, and they are never plugged at the same time. This is a new disk I got last month and did a fresh install. ...
0
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1answer
84 views

UEFI dual boot Ubuntu 14.04 and Windows 8.1

I recently purchased an Acer Aspire V15 notebook (model V3-572G-76EM) which came with Windows 8.1 preinstalled. My goal is to be able to dual-boot Windows and Ubuntu. However, I am stymied at this ...
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0answers
21 views

Error:invalid arch independent ELF magic-Setting up X socket directory

I installed linux in a very hacky way: / on an SD card /boot/efi on a USB stick /boot on the same usb stick I have windows 8. I installed rEFInd. It detected ...
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1answer
48 views

How to use the Linux Foundation's PreLoader?

I read that there is another way than using shim and signed GRUB binaries for Secure Boot by using the Linux Foundation's PreLoader or Linux Foundation's Secure Boot System, but how do I use it? ...
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1answer
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how to change the os ubuntu 14.04 to windows completely? [duplicate]

when i try to install windows 8.1 o.s to my laptop.it shows that the required cannot be selected showing something like drive 0 cannot be installed.i my Ubuntu o.s is in u.e.f.i mode.and the entire ...
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157 views

will ubuntu 15.04 have UEFI 32-bits UEFI boot support?

Ubuntu 14.05 doesnt have UEFI 32-bits UEFI boot support. And apparently nobody got it working properly with Ubuntu 64-bits. Thats a real problem now for all new laptops which support 32-bits OS and ...
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1answer
54 views

How to access BIOS settings with EFI?

I have a new PC, based on a Gigabyte H81m motherboard. With no hdd, I can access BIOS settings by pressing DEL at startup. When I install Windows 8.1 with EFI boot, to access BIOS settings I have to ...
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1answer
56 views

Ubuntu 14.04 Boot Order Problems - efibootmgr

Trying to work out boot order at the moment and not sure if I need to some how change this order, i.e.: I ran the command: sudo efibootmgr -v BootCurrent: 0001 Timeout: 2 seconds BootOrder: ...
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2answers
120 views

How can I set up GPT and EFI for my new raw drive?

My laptop Thinkpad T400 now runs 12.04 on a small hard drive. I plan to replace the hard drive with a bigger one, and install 14.04 on the new drive. The new drive is just bought as brand new, and raw ...
2
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1answer
34 views

Order between my partitions?

I plan to partition my hard drive into EFI, /, /home and swap. If considering the beginning of my disk is faster than its end, how shall I arrange the order of my partitions? Does / prefer as ...