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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Problem when installing 14.04 in Toshiba Satellite L845

I'm new on Ubuntu. I've got a Toshiba L845 (that comes with W8 pre-installed) and after having so many problems I decided to go to Linux. I do not want to keep W8 (since I can not even start it due ...
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10 views

Booting OS of Ubuntu 1.1.20.0-8ubuntu1

I have a problem in booting version 2.00-13ubuntu3 moving to recovery mode, it requires me to fill the initramfs using built-in-commands which i dont know how to add them. Help me
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0answers
12 views

Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then took out the existing HDD and swap in a new HDD to install linux on it with uefi. ...
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1answer
43 views

Installing Ubuntu 14.04 on EFI System

I recently purchased Dell Inspiron 5548. 64bit System, 8GB Ram, 2GB ATI Graphics Card It came with Windows 8.1 Single Language Edition. I completely removed the Windows, also formatted the recovery ...
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0answers
11 views

Install ubuntu on a Motherboard ASUS H81M-C

This kind of motherboards use the new UEFI BIOS. In the user guide says that it has support to the operating systems Windows 8/ Windows 7, but I need to install Ubuntu 15.04 so my question is if I can ...
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28 views

UEFI Dual boot not recognizing windows 7 partition? [duplicate]

Been messing around with Ubuntu, I actually installed it as my only OS but since my graphics card(AMD) kinda sucks on linux(For gaming purposes) - I have to have a windows partition. However, ...
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0answers
12 views

alert does not exist. dropping to a shell (external disk)

It used to be simple start the system from an external disk/usbstick. "But why make it simple when you can do in complex" I am trying boot ubuntu from USB-stick (xubuntu that is). What I have done ...
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1answer
65 views

Booting Ubuntu 14.04 from External HDD

My laptop has Windows 8.1 64-bit and since I have few space on my SSD, I wanted to install ubuntu in an external HDD. From the UEFI settings I disabled the safety boot, fast boot and so on, and I set ...
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0answers
17 views

How to boot into Ubuntu after successful installation from wubi iso file in a dvd?

I am new to Ubuntu. I use windows 8.1. I downloaded Ubuntu 15.04 from the official website and burned the iso into a disc and then from my boot menu I chose to boot from dvd/cd. All went fine, under ...
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16 views

Problem with Ubuntu 15.04 Install switched encripted areas of of my main disk

During install the only area of my disk I requested encrypted was my home folder. What actually happened was home folder is not encrypted and the rest of the disk is encrypted by a blank password. ...
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1answer
28 views

Installed Windows before Ubuntu, both in BIOS mode, but GRUB install failed

Let me start by saying I've been trying to get it to work for 2 days, and that I've read a lot. The answer could be extremely obvious but I need someone to point it out. I was trying to dual boot ...
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25 views

Cant install ubuntu 12.04, 14.04 64bit on my lenovo s205

I've read a lot of similar topics, but nothing helped. Check out my little sad story: I made bootable USB with UNetbootin. I tried Ubuntu 12.04 and 14.04, linuxmint 17.1, fedora kde, zorin. Before i ...
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0answers
24 views

Boot repair fails to repair my dual boot (ubuntu 14.04 and windows 8)

Usually when I start my laptop, grub starts and allows me to boot either ubuntu or windows. However, after a windows update yesterday, windows is started automatically and selecting ubuntu in the ...
0
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1answer
24 views

Ubuntu installation on UEFI system - grub console after boot

After a short (but bloody) battle I was finally able to install Ubuntu on my Dell XPS 13 (the 2015 one). After rebooting all I can see is the grub console. Typing exit pops up the Windows system that ...
0
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1answer
33 views

Trying to dual boot Windows 8.1 with Ubuntu on Acer Aspire 779G

As it says in the title, I am trying to dual boot 8.1 with Ubuntu 14.04 Lts. I am starting my first big boy job as a software analyst and as you can guess they primarily use linux platforms. I ...
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0answers
31 views

Can't install Ubuntu on my Laptop already running windows 8.1 [duplicate]

i followed the steps word by word even searched google for a solution but nothing. I want to dual-boot Ubuntu and Windows 8.1 the problem is I've tried to disable the Fast-boot and UEFI Settings ...
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1answer
39 views

Portable installed ubuntu on a Pendrive that boots on UEFI and BIOS [duplicate]

There seem to be quite few tutorials for that but they are either for having both live and installed, or supporting old 32 bit systems and so on and have some complicated steps. I simply want to ...
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0answers
18 views

Can't boot Lenovo laptop (v570) after installing Ubuntu

No, this is not a 'I want to boot Windows after installing Ubuntu' question, I installed Ubuntu, fully wiping everything, every default settings, but now it won't get past BIOS. It just gets stuck ...
2
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1answer
69 views

How to create uefi bootable iso?

I am trying to customize ubuntu-14.04.2-server-amd64.iso, but I am unable to make it uefi bootable. First I tried with original iso file: dd if=/path/to/iso/ubuntu-14.04.2-server-amd64.iso ...
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1answer
50 views

How to get OS selection screen?

Recently installed Ubuntu 14.04 along with windows 8.1 in my dell inspiron 15 5547 (Legacy Mode, windows 8.1 in uefi mode), while restarting OS selection window is not displayed. Every time I need to ...
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2answers
34 views

Laptop boots directly to Windows, Ubuntu alredy installed and refind not working

So i have this weird problem on a HP laptop Atheros. I first installed windows 7 and then Trusty Tahr,both on Uefi mode with the gpt partition. The problem is that when i turn it on, it goes ...
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0answers
89 views

Being dropped to emergency mode after upgrading to 15.04 with encrypted hard drive

I had installed ubuntu 14.10 with encrypted lvm and uefi mode on my hard drive. There are two hard drives which are encrypted. The first contains the root file system and the second contains a sharing ...
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0answers
18 views

Dual-Boot Ubuntu and Windows 8 Only Boots to Windows

I have a terabyte external hard drive, with with Windows to Go on it. Recently, I installed Ubuntu onto this drive. The computer that I installed Ubuntu onto the external HDD is a BIOS computer, and ...
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1answer
42 views

Xubuntu 15.04 Gummiboot Kernel Panic

So I installed my new Xubuntu 15.04 in EFI mode. I installed gummiboot via sudo apt-get install gummiboot and activating sudo gummiboot install. On my HP Notebook I have to enter the efi file as ...
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1answer
29 views

Bios/Firmware/EFI upgrade changed network port config

I did a EFI/firmware update on an Intel server board and the next thing I see is that the networking just stopped working... Little deeper and I saw that the NIC port labels were changed from em1, em2 ...
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0answers
90 views

Ubuntu installation VS UEFI on Dell XPS 13 9343

I have heard that there are problems with Ubuntu on the Dell XPS 13 9343, however - I cannot even make the boot menu pop-up when booting from an installation pendrive (lastest Ubuntu, lastest ...
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0answers
12 views

Flashing and Re-installing BIOS [closed]

dmesg outputs a lot of ACPI issues ,which has been linked to no updates to BIOS. Now, whilst flashing and re-installing a newer version of BIOS(through USB!), will the new BIOS FIRMWARE follow BIOS ...
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2answers
91 views

Ubuntu 15.04 UEFI installation issue on Dell Vostro 3460

I downloaded the RTM ISO of Ubuntu 15.04 (Vivid Vervet), and I created with the latest version of Rufus the UEFI/GPT installation disk. I tried to begin the installation in the UEFI-mode, but it ...
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0answers
11 views

Won't boot dualboot selectio interface by default [duplicate]

So I've been running a dualboot windows 8.1 with ubuntu, and ran into a problem, so I deleted the ubuntu partitions, and removed the grub. Now I've reinstalled ubuntu as dual boot and it works fine, ...
3
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1answer
172 views

Ubuntu 15.04 on USB with UEFI

My desire is to do the following. The computer has W8.1 on the HDD and it is using UEFI I want to install Ubuntu 15.04 on 32GB USB stick in a way that I can install regular updates and it remembers ...
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0answers
49 views

Installing Ubuntu with SSD in a Toshiba Satellite L50-B-137 (PSKT4E)

I have recently upgraded the BIOS in my Toshiba Satellite L50-B-137 (PSKT4E) to the latest (Version 2.00) and I am trying to install Linux Ubuntu on a brand new OCZ ARC 100 SSD drive (480GB). I am ...
0
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1answer
41 views

Ubuntu fails to install grub on dell optiplex 9020

I have a Dell in which there is a first drive running Windows 8.1 With UEFI, this works fine. In order to install Ubuntu 14.04LTS I had to disable secure boot. A second drive is in the machine, a ...
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2answers
68 views

Can not Boot up laptop after Linux installation

I have a windows 8 laptop. I went to install fedora 21. I deleted the D drive which had nothing on it. I then installed fedora on that partition. I restarted the computer and it booted into the bios. ...
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2answers
73 views

rEFInd showing 3 ubuntu .efi instead of 2

This is not really a problem, though I am just curious to why do I suddenly see 3 ubuntu, instead of the usual 2. It should be grub64.efi and shim64.efi. Though now it is grub64.efi, ...
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1answer
331 views

I cannot re-install Ubuntu 15.04 alongside windows 8.1

This question may seem repeated but I have other more issues. I installed 8.1 in my dell 5537 and dual booted it with ubuntu 14.04..I worked well..I installed with alongside windows option..It took ...
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0answers
14 views

Stuck on “Loading initial ramdisk” after live cd change on root filesystem

I am running Ubuntu 14.04 LTS Server with the newest Updates in a Virtualbox VM. It has EFI boot on a 512 MB Partition, /boot on a 300 MB ext4 partition and / on a luks encrypted 7GB ext4 ...
0
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1answer
37 views

Does Ubuntu support the asus crosshair v formula Z motherboard?

I have been trying to install ubuntu 15.04. I have no errors, and I can load the OS on the flash drive as well as see and play with all my windows drives on the system, but the partitioner freezes and ...
0
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1answer
22 views

Pointing Grub Rescue to the correct .mod

I've borked my ubuntu installation. It seems to have mixed up whether to use bios grub or efi grub. When I get to grub rescue, I can find all the mod files I need at ...
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0answers
62 views

Ubuntu 15.04 Installer: no disks [UEFI]

could you please help me with my problem: I can't install Ubuntu on my Dell Vostro 5470 laptop. I'm booting in UEFI mode and NO disks are shown in "do something else". It's just blank window. I want ...
0
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1answer
33 views

Dual Boot Problem in UEFI Mode

I have a HP Probook 440 G2 and it is installed with Windows 8.1 in UEFI Mode. I used Rufus-2.1 software to boot Ubuntu in the USB in GPT Prtition Scheme and tried to install Ubuntu. The OS got ...
2
votes
1answer
48 views

Ubuntu does not boot on mainboard with UEFI

Windows 7 64 bit and Ubuntu 14.04 64 bit were installed on a new SSD on a computer with old motherboard (no UEFI). Dual boot with GRUB2 worked perfectly well: Windows and Ubuntu could be executed and ...
0
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2answers
20 views

Dual Boot: Does data get deleted because the drive is partitioned?

I'm pretty bad at the whole computer literacy thing, but for the most part I can Google things pretty well. From what I've read, partitioning deallocates everything on the partition that is getting ...
0
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1answer
333 views

Installing Ubuntu 14.10 (64-bit) on a Windows 8 bay trail atom tablet

For those of you wondering, this is not actually a question, it's a guide. "How can I install 64-bit Ubuntu on my 32-bit UEFI Bay Trail atom tablet?"
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3answers
49 views

Why Ubuntu isn't installed in UEFI by default?

I have seen some posts about installing Ubuntu in BIOS and in UEFI. In the Community Wiki mentions that UEFI will replace the BIOS in all PCs. Also it mentions that if it is not absolutely necessary ...
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1answer
29 views

UEFI questions after moving to Ubuntu 14.10 finally

I have a couple of questions after I switch to Ubuntu for my main OS on my laptop and they are: Will I have to install a bootloader of sorts into my UEFI to boot straight into Ubuntu?, like without ...
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0answers
43 views

Ubuntu UEIF/Windows 8 dual boot problem

I tried installing ubuntu 14 uefi in dual boot with Windows 8. The installation went well, but now I can't boot on Windows anymore. I can't even see it in the boot manager. I tried to unable/disable ...
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0answers
15 views

How to add memtest86 entry to grub2 menu? [duplicate]

I want to test new memory, but can't find memtest86 entry in grub2 menu. I looked at script /etc/grub.d/20_memtest86+ and found this lines # We need 16-bit boot, which isn't available on EFI. if [ -d ...
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1answer
56 views

UEFI Ubuntu installation no longer boots after moving a partition

After resizing moving a large partition on the same drive with Gparted that contains my EFI partition, my Ubuntu installation (15.04 x64) no longer boots in EFI mode. When I try to manually load the ...
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1answer
39 views

Windows don't boot after Ubuntu installation in VMware on a physical disk

I have installed Ubuntu in VMware (Windows 7) on a physical disk. It's a secondary disk, not a partition. All worked, no problems. Then i restarted Windows and Windows failed to boot and then Ubuntu ...
2
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2answers
97 views

Does the UEFI partition either “MUST” or “SHOULD” be first for some reason? If so why?

In a non-English Ubuntu-it.org wiki page it's stated that the UEFI partition MUST be always placed at the start of the disk. This is not the case in the English Ubuntu Community Help Wiki page. So ...