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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9 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 ...
318
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9answers
986k views

Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)

I bought a computer with Windows 8 Pre-Installed, but I didn't like Windows 8, so I decided to install Ubuntu as a second operating system. I'm absolutely new to Linux. I have been using Windows for ...
0
votes
1answer
32 views

Can't boot any live cd anymore

I have a dual boot setup on a UEFI machine, and until today I had no problems with this setup. However couple of days ago I tried installing Fedora 22 Beta. I was able to boot to the menu with: ...
0
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1answer
43 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
59 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. ...
0
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1answer
13 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
votes
1answer
23 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 ...
0
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0answers
27 views

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

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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4answers
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 ...
1
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1answer
28 views

Portable installed ubuntu on a Pendrive that boots on UEFI and BIOS

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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3answers
13k views

How to install Ubuntu server with UEFI and RAID1 + LVM

I used to install my servers with LVM over software RAID1, and grub install on the MBR of both drives. Now I have an UEFI server, and the compatibility (BIOS) mode does not seem to work. So I went ...
2
votes
3answers
5k views

Windows 8 UEFI does not boot

I've just bought a new Toshiba laptop, on which Windows 8 is preinstalled. I've installed Ubuntu Gnome 13.10 and GRUB2 correctly detects Ubuntu and Windows. But the strange problem is that when I try ...
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votes
3answers
4k views

Can't access BIOS and installing a windows hard drive

Built new computer: AMD FX-8320 Eight-Core Processor × 8 9.7 GiB RAM Graphics GeForce GTX 650 Ti BOOST/PCIe/SSE2 Ubuntu 13.10 64-bit Desktop Computer 1 TB HardDrive BIOS Type, UEFI BIOS ...
2
votes
2answers
5k views

GPT partition table problem: Windows 7 and Ubuntu dual boot

I hope you guys will help me get through this situation I have gotten myself into. I bought a new samsung ultra book running windows 8. I knew going into the purchase that I wanted to ditch windows ...
0
votes
0answers
14 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
votes
1answer
52 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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2answers
10k views

“This computer currently has no detected operating systems.”- Ubuntu 14.04 install Windows 8.1

I tried to install Ubuntu alongside windows 8.1. I disabled secure boot and made sure UEFI was enabled and moved the DVD above Windows Boot manager in the boot order. But the Ubuntu installation still ...
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votes
2answers
26 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 ...
2
votes
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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3answers
4k 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 ...
0
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0answers
65 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 ...
5
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2answers
4k views

How can I install Ubuntu 13.10 on a Samsung ATIV Book 9 Lite? (screen turns off)

I already tried to with install Ubuntu 13.10 on my Samsung ATIV Book 9 Lite with the UEFI and CMS OS option in the BIOS, but I still have the same problem. I'm trying to install Ubuntu 13.10 from a ...
0
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1answer
27 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 ...
1
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1answer
32 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 ...
0
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0answers
17 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 ...
0
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2answers
70 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 ...
2
votes
0answers
64 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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votes
0answers
12 views

Flashing and Re-installing BIOS [on hold]

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 ...
1
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1answer
5k views

How do I EFI boot Zenbook Prime UX31A from built-in card reader?

How do I EFI boot Zenbook Prime UX31A from built-in card reader? Ubuntu Live 12.10 64bit has been copied onto an a SD card which I'm trying to boot from. When I power on my Zenbook and press ESC for ...
0
votes
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, ...
0
votes
2answers
105 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 ...
3
votes
1answer
130 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 ...
0
votes
2answers
3k views

Acer aspire V5-171-6422 dual booting

My laptop has come with WIN8 and secure booting through UEFI (this is very new bootloader for me) I want to natively boot Ubuntu like using BIOS. Can anyone suggest me a way for this? I have read ...
1
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0answers
38 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 ...
5
votes
3answers
3k views

VirtualBox boots only in UEFI Interactive shell

I installed Ubuntu 14.10 in VirtualBox with UEFI. But now I have rebootet this OS and now it boots into a UEFI Interactive Shell v2.0. How can I boot normaly into Grub again? I hope you can help me, ...
0
votes
1answer
33 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 ...
2
votes
2answers
7k views

Windows 8 won't boot via grub after intalling 12.10 with boot-repair

I hope someone here might be able to help me. I've just purchased a new Acer Aspire V3-771G laptop which came pre-installed with windows 8. I shrunk the main windows partition and installed ubuntu ...
1
vote
2answers
66 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, ...
1
vote
1answer
248 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 ...
0
votes
0answers
12 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 ...
3
votes
4answers
518 views

Xubuntu / Cannot boot unless navigating to EFI file in BIOS

I have a boot problem on my laptop (HP ProBook 450 G2) since I tried to replace the pre-installed Windows 7 by Xubuntu 14.04. The BIOS uses the UEFI boot mode (but trying the "Legacy" boot mode does ...
0
votes
0answers
739 views

Ubuntu 15.04 UEFI cannot install - Blank Screen (No Signal.)

As the title says, I go to boot into either the live session with Ubuntu 15.04 or the "Install Ubuntu" option and both give me no video at all. I've the onboard VGA and still nothing. The only thing I ...
1
vote
1answer
53 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 ...
0
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1answer
32 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
votes
1answer
3k views

Kubuntu UEFI Dual Boot with Windows 7 failed at installing Grub-efi

I want to install Kubuntu 13.04 together with Windows 7 in UEFI Mode. I installed Windows 7 first, which created the EFI boot partition. When it come to installing Kubuntu, the installation failed ...
0
votes
0answers
814 views

Problems installing ubuntu on HP Elitebook 840

I tried installing ubuntu on my HP Elitebook 840 but I am encountering some problems. First of all, i can load ubuntu from a DVD just fine and installing, at the first couple of tries, went without a ...
0
votes
1answer
149 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 ...
2
votes
1answer
46 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
votes
1answer
21 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 ...
0
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0answers
59 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 ...