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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Lubuntu refuses to boot from HDD despite numerous tries with boot-repair [duplicate]

I remember problems setting up my Lubuntu with UEFI/Legacy boot mode. That was more than a year ago and the system worked fine - until now. For whatever reason, it refuses to boot again. I went ...
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1answer
19 views

Can't reinstall ubuntu

I can't boot Ubuntu 14.04 through USB bootable after I deleted the installed Ubuntu partition from the hard drive, the Grub is still exist in my EFI partition which I can't able to access and delete ...
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2answers
13 views

Remove Grub menu after Dual Booting

I had dual booted my Acer Aspire V with Ubuntu 14 recently to try it out. I followed guides online on how to remove it from my computer. First I deleted the Ubuntu partitions then used a flash drive ...
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1answer
15 views

Unable to access Windows partition from Ubuntu live USB

I have a Meegopad T01 mini PC, which has a 32-bit only UEFI firmware. I booted to my Ubuntu live USB and when I opened Gparted, I saw a lot of mmcblk0p* partitions like this: All of them have a red ...
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1answer
17 views

problem dual-booting Windows with EFI and 2 hard disks

I've searched everywhere for answers to the problems I'm having, and can't find a solution. I hope someone here can help. I have a Thinkpad T420 with two hard disks. The first hard disk is internal ...
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1answer
25 views

Legacy + UEFI, persistent Ubuntu install for students

I will be teaching a PHP course this fall, and we require the students to purchase their own external drives, on which we install Ubuntu with LAMP stack. Previously, we used 1 TB drives with a ...
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1answer
31 views

u410 SSD BIOS Problems

I am all out of idea, can someone help a newb? I have successfully installed Ubuntu 14.04 on a Lenovo u410 with UEFI on, secure boot on and with optimus enabled but with several issues at hand. I ...
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3answers
91 views

Dual booting Ubuntu 14.04 and Windows 8.1

Yet another question on this topic. Sorry. I've bought a new HP Pavilion 15-p239sa with Windows 8.1 installed, and I'm trying to dual boot Ubuntu 14.04. The problem is that after installation of ...
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1answer
33 views

Dual boot: several Windows 7 loading entries in GRUB2 - should I delete any?

The system is Acer Extensa 2510G, and there's only one HDD. This is how the GRUB2 menu looks: Output of sudo update-grub2: The scripts themselves: Windows UEFI bootmgfw.efi: search --fs-uuid ...
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2answers
36 views

I tried to install Ubuntu 14.04 on an old laptop in place of Windows 8.1, and now it won't boot

I have an old laptop with a broken screen that I'm trying to set up to stream sports games to my TV with, and I tried to install Ubuntu 14.04 on it from USB. I went through the installation and ...
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2answers
26 views

Accidently deleted boot efi fat32 how to make one for old ubuntu install?

I had the latest version of Ubuntu on my hard drive and deleted windows 8 with gpart. I noticed a partition called boot efi and it was fat32 so I assumed it was another partition associated with ...
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2answers
31 views

How can I make Ubuntu not mount efi partition by default at startup?

I've a Asus laptop with windows 8.1 pre-installed, I've managed to install Ubuntu alongside it, and for some days it worked fine. Today, out-of-the-blue, Ubuntu just goes black screen and I'm back at ...
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0answers
18 views

How do you use persistence in UEFI mode?

When booting a LiveUSB into UEFI mode, persistence is not available. When booting into legacy mode, it works fine. why? And how may I resolve this?
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25 views

Ubuntu installed alongside W8, W8 wont boot anymore, live usb isnt recognized

I think I might be screwed. I normally run preinstalled windows 8.1 on my Lenovo IdeaPad P400 touch, and I decided to try out dual booting Ubuntu 14.04, having never used Linux before. I edited the ...
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0answers
22 views

Ubuntu suddenly restarts and is unable to mount /boot/efi anymore

My problem is the following: I have installed Ubuntu 14.10 in my asus laptop with pre-installed windows 8.1, everything went great and I managed to have grub doing dual boot and I used both OS's for ...
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2answers
56 views

Ubuntu 14.04.2 installer does not recognize partitions when trying to install dual-boot alongside Windows 8.1

I'm trying to follow the guide by Luis Alvarado at Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported) for installing Ubuntu 14.04 UEFI in dual boot with Windows 8.1. I ...
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1answer
631 views

Fastest/easiest way to install Ubuntu on Windows 8

I'm sorry if this is asked frequently but I have a problem, the computer I'm going to install Ubuntu is not mine and can only keep it for about 4-5 days, however I need Linux for homework. In the ...
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1answer
18 views

No OS select menu when starting up my HP laptop

I am new to Ubuntu and thought it looked better than Windows 8.1 I have installed Ubuntu onto my laptop but as soon as I had installed it, it restarted and went straight to Windows booting up. I did ...
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0answers
19 views

Struggling to boot back into windows after installing ubuntu 14.04

I have a question, and hold on, could be a long one. Previously, I have dual booted my computer with linux mint 17.1. I do not know how I bypassed Uefi, but I somehow disabled it. So, previously I ...
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1answer
29 views

Ubuntu doesn't showup while booting

I have recently installed Ubuntu 14.04 along side Windows 8 in my Samsung Series 5 np535u4c notebook in a 52 gb disk called Ubuntu. Ubuntu grub screen showed up inttially (till I booted to Windows ...
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1answer
29 views

How to make grub2 recognize other Ubuntu installations again?

Until 13.10 and the grub2 version used there (version number is 2.02~beta2-... since years/multiple Ubuntu releases) parallel Ubuntu installations on other partitions (both with and without separate ...
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0answers
12 views

Dual HDD manual partitioning woes

Wondering if anyone can lend a hand. Installed an SSD in my laptop, now have two drives (SSD for efi patition and /) (HDD for /home & swap). I am able to install uefi mode with all distros (Arch, ...
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2answers
40 views

Installing Ubuntu on main HDD drive together with Windows 8. To boot Ubuntu from disk-on-key

Despite the abundance of dual-boot issues lying in the World Wide Web, I decided to create the new topic with my specific question. I have a laptop Asus K55V + UEFI + 500Gb HDD + Windows 8 upgraded ...
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2answers
36 views

How to install Windows 8.1(10) in a pre-installed Ubuntu 14.04

I am currenty using Ubuntu 14.04 and I need to install Windows 10 as dual boot. I create new ntfs partition for install Windows, But I get the following error when selecting the desired partition: ...
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0answers
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Unique problem facing installing Ubuntu 14.04 alongside preinstalled windows 8.1 on laptop lenovo z7080

I have recently buy lenovo z7080 laptop which has windows 8.1 pre-installed. I updated all the drivers and started to dual boot alongside windows with ubuntu 14.04LTS using dvd. I did enable legacy ...
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1answer
57 views

Win 7 boot loop after Ubuntu 14.10 install (UEFI)

Today I installed Ubuntu 14.10 alongside my Windows 7 installation. Unfortunately something seems to have broken and is now causing a boot loop for Windows 7: I can boot Ubuntu perfectly fine and I ...
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1answer
33 views

Cannot get ubuntu installed UEFI

I've been at this all day. I'm running windows 7 and would like to install ubuntu but it just won't work. I turned off secure drive. I can boot the usb normally which gives me the whole "this boot is ...
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0answers
28 views

How to compile a boot loader for 32bit UEFI to be able to boot and install a 32bit Ubuntu OS?

I want to install a 32-bit Ubuntu on a system with a 32-bit UEFI (Bay Trail Intel Atom tablet). How should I proceed? This is not a duplicate of 32-Bit UEFI Boot Support, because this doesn't explain ...
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1answer
44 views

I got a MSI Leopard GP60 2PE with two SSDs? :O [duplicate]

I have a laptop with two SSDs and one is almost completely empty: I have 500gb+250gb and the 250gb SSD has only 1gb of used space which is only a few folders like this: $RECYCLE.BIN/Papirkurv, ...
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1answer
35 views

Repair Grub after Clonezilla

I installed an partition image (Ubuntu 14.04) from another computer to my computer (previously Ubuntu 12.04) using clonezilla. The system partition on the other computer was sda1 and on my computer ...
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0answers
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Complete I/O error HDD after doing dd

Ok, before reading this, I just want to say that this is not a duplicate post. I once owned a Seagate Momentus Thin 500GB that contains Windows 8. After messing up a bit, it restarted and what I saw ...
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1answer
108 views

Can't boot a live usb .iso in UEFI mode on Lenovo Edge-15 laptop

I was trying to install Gentoo on my laptop Lenovo Edge-15, but I'm having problems booting a live usb .iso in UEFI mode. I then tried to install Ubuntu, Arch, and Fedora, and seem to be having the ...
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1answer
59 views

Adding Ubuntu to Windows 8.1 Boot manager UEFI mode

I am trying to add Ubuntu to the Windows boot manager in Windows 8.1. I have tried using easyBCD to do this but as I am booting in UEFI mode it fails to work. Is there a way to manually add it in ...
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0answers
26 views

Windows 8 remove grub after booting

I'had Windows 8 installed on a SSD with 2 other Hard Drive, I intalled Ubuntu on the SSd (~15Go partition) and the Grub just worked fine, I could run Ubuntu and after a reboot I run windows8. But ...
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1answer
33 views

Cannot remove ubuntu as a boot option

I followed the instructions at: How do I remove "Ubuntu" in the bios boot menu? (UEFI), but ubuntu keeps on reappearing as a boot option. Is there a way to fix this? Edit: Is it also ...
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0answers
58 views

Reboot loop trying to install 14.04.2 amd64 on new ASUS A88XM-A

This system is brand new with no OS. mobo: A88XM-A with bios version 2102 x64 CPU: AMD A10-7700K GPU: Radeon R7 Plus 8GB RAM, 1TB HD, SATA DVD R/W etc. Trying to install ...
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0answers
61 views

Persistent Ubuntu on a USB drive

From the title, my question probably sounds very similar to old questions but as far as I can tell it is not. I've looked through many of those questions and have not found an answer to my complete ...
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0answers
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Can i safely update my Bios/Uefi using Wine and what does it change? [duplicate]

I've got a Acer Aspire V5-572G. My current uefi version is 2.01, from the official website i can see the most recent version is 2.10. After extracting all you get is an .exe file and on the website it ...
1
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1answer
32 views

Ubuntu 14.04 installer insists on running in UEFI mode

I am trying to dual boot Windows 7 along side Ubuntu 14.04. I have managed to set this up successfully on my old laptop (which only uses Legacy BIOS) using an installation CD and EasyBCD. However when ...
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1answer
35 views

Cant start Ubuntu from dvd device

I am a long time user of Ubuntu and I'm trying to get it runnning on this pc with preloaded windows 8.1 I have disabled secure boot and dealt with UEFI, when I enter the BIOS I have moved CD/DVD boot ...
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2answers
45 views

Installed Ubuntu and now cannot Boot into it!

I installed Ubuntu in my new machine.Before installing I made the following changes turned off the fast startup option in windows 8.1 changed the boot to legacy supported changed preference to ...
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1answer
47 views

Why does my gparted look like this?

I'm having trouble understanding my current GParted report. I started out with two partitions so I could dual-boot Ubuntu with Windows 8. Later, I tried to adjust the settings of my computer so I ...
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1answer
42 views

GPT - Adding Windows and dual-booting with existing Ubuntu install

:~$ sudo gdisk -l /dev/sda GPT fdisk (gdisk) version 0.8.8 Partition table scan: MBR: protective BSD: not present APM: not present GPT: present Found valid GPT with protective MBR; using ...
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1answer
14 views

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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2answers
85 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
71 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 the instructions in the article "Ubuntu + Mac: Pure EFI Boot". Now, I want to do dual boot in my Macbook Pro where I already ...
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1answer
71 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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0answers
16 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
34 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
41 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 ...