The Unified Extensible Firmware Interface BIOS (UEFI) is a specification that defines a software interface between an operating system and platform firmware. UEFI is a replacement for the older BIOS firmware interface present in all IBM PC-compatible personal computers

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Install Windows 8 (clean) on Hybrid Drive

I have a Sony Vaio T series (UEFI)that consists of a Hybrid Drive (SSD + HDD), I would like to install the Windows 8 OS on the SSD and keep the Program files and other applications on the hard disk. ...
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VAIO Bios can't see 2-nd HDD connected to DVD slot

i have a problem. Bios can't see 2-nd HDD connected via mSata to Sata connector. But if i boot from other device or liveCD - system csn see it correctly. Harware: Sony VAIO SVS13A1Z9R, BIOS Inside H20 ...
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Is Firmware Boot Manager critical? Or can it be deleted if you have Windows Boot Manager

I would like to reset {fwbootmgr} because it not linking to {bootmgr} even though in display order Firmware Boot Manager --------------------- identifier {fwbootmgr} displayorder ...
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276 views

Dualboot Fedora 20 + Windows 8 on separate drives

Well hello there, I have a little problem with my dualboot setup. So I decided to dualboot Windows (for gaming-puposes) and Fedora (for everything else), and I also decided to give them separate ...
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1answer
262 views

UEFI installing Fedora 17 after Windows 8

I recently bought an HP Pavilion G6-2313AX laptop which ships with FreeDOS. I first partitioned it with old Ubuntu live disk to partition (I didn't have GParted CD on hand). There was an existing ...
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2answers
1k views

Boot into Windows 8.1 safe mode with UEFI BIOS

My brand new Windows 8.1 computer is dead and only shows a cursor on black screen when booting. So I need to boot into safe mode. I thought F8 would do the trick. Apparently my computer is using ...
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111 views

Can't disable UEFI/Safe Boot

I'm trying to install Steam OS on my computer but I can't boot from my flash drive because it's in UEFI boot mode or safe boot. There's no option to disable it anywhere. I've tried doing it through ...
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3answers
108 views

Does there exist a native UEFI disk/partition manager?

UEFI has the infrastructure to support complex applications at boot-time. One of the most urgent needs of the hour is a UEFI application for GPT disk management. A lot of partition management cannot ...
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869 views

How to fix Boot Configuration Data (BCD) for Windows 8 EFI system

I have Lenovo H530 Desktop which comes with Windows 8. I tried to install Ubuntu on the system and ended up messing something on my way. Current status is my system won't boot into either one of them ...
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2answers
93 views

what is the purpose of UEFI SecureBoot?

I heard that new computers will have a "secureboot" feature built in, and that it's supposed to keep "unsigned code" from booting. I haven't seen any issue with a possibility to boot the wrong OS,as ...
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How do I find the storage capacity of the E²PROM chip on my motherboard? How much space is needed for UEFI to be implemented?

I'm looking at a solution for upgrading BIOS to UEFI on a motherboard that doesn't natively support UEFI. Another user, Rod Smith, replied to a question as to how this would be done stating: "It's ...
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1answer
54 views

How are the initial boot files found in UEFI

I was curious and poking around my Windows 8 system. Per Wikipedia's entry on UEFI Boot loaders can also be automatically detected by the UEFI firmware, to enable booting from removable devices. ...
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1k views

Installed/Updated Windows 8 UEFI after Ubuntu - Restore GRUB

So, I had a laptop with Windows 8 OEM copy obviously installed in UEFI configuration with GPT partitioning. A little while ago I installed Ubuntu 13.xx(the latest one) alongside it and GRUB ...
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109 views

Arch Linux - Partitions and Mount on Clean Windows 8 Dual Boot

I'm trying to install a Arch Linux dual boot config with a copy of Windows 8 I clean installed and added programs to. I've already shrunk the partition and changed the system time to UTC, but I'm ...
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1answer
60 views

rEFInd takes 10 seconds to load

I have a Lenovo ThinkPad T430 (Core i5, Ivy Bridge). I converted my system from BIOS-MBR to UEFI-GPT. This worked perfectly. I have rEFInd configured to load both Arch Linux and Windows 8.1. This ...
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2answers
772 views

Windows 8.1 UEFI x64 is not able to boot-up UEFI Images

The question appeared after asking this one. It seems that the Win8.1 UEFI x64 Boot Manager is unable to boot anything other than the windows itself (winload.efi). Trying to launch any other UEFI ...
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1answer
4k views

Repairing Windows 8 EFI bootloader after installing Fedora 20

Background System is self built, so no OEM stuff. Windows 8 was installed first, hard drive was also newly set up as GPT. Later on, I installed Fedora 20 which installed GRUB on a BIOS Boot ...
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1answer
278 views

Confusing BIOS and UEFI

I've just bought an Acer Aspire E1 (572) laptop four days ago, and ran into that UEFI/BIOS problem. It was shipped with Linpus Lite OS by default. I had it installed a Win 8 pro on it, after ...
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3answers
230 views

Installing Win 7 To GPT and Why My UEFI Mobo Won't Boot From CD Unless In Legacy Mode

Double whammy question comin' at ya: Firstly, my UEFI bios on my Acer laptop absolutely refuses to boot from CD/DVD unless I revert to legacy mode. Disabling secure boot and leaving UEFI enabled ...
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1answer
1k views

Windows 8.1 UEFI x64 & Windows XP x64 Dual-Boot

I want to add option to boot in XP into the Win8.1 boot menu. So I have 2 drives: On the first one I have installed Windows 8.1 x64 UEFI; And on the second - Windows XP x64. Following is what I ...
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2answers
149 views

Fedora 19-1, Aptio UEFI and non-CSM Boot

I'm trying to install Fedora 19 on a UEFI computer. The laptop is an ASUS Q500A with Aptio UEFI (firmware or BIOS) version 208, GOP 3.0.14.1015 (Aptio is American Megatrends). I downloaded the latest ...
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1answer
188 views

How many EFI System Partitions (ESP) can a computer have?

I'm trying to set up dual/multiboot on an UEFI laptop that came with Windows 8 installed. I'd like to operate with Secure Boot enabled. I can install/configure OS'es with SecureBoot disabled (but I ...
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1answer
38 views

Virtual Machine UEFI cant type “\”

I am trying to install SteamOS in Oracle VirtualBox. I know how to do it but in the UEFI, it won't let me type "\" it lets me type any other character but not this. Any ideas?
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489 views

Tails “clone” LiveUSB wont boot

I'll try to be as clear as possible. I did install Tails to a USB, then I cloned it over another USB and thats where the problems started. The "clone tails usb" won't start in my laptop. I did try ...
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3answers
5k views

Cannot install CentOS 6.5 using UEFI usb boot

I am trying to dual-boot CentOS 6.5 on my desktop that is currently running Windows 8.1. I have two storage devices: an SSD that has my Windows installation, and an HDD that has all of my data. Both ...
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2answers
444 views

Accessing CentOS installation

I use an SSD as my boot device, and I have a HDD that I use for data. Both drives are set up using GPT/UEFI. I installed CentOS to its own partition on the HDD, and I have Windows 8.1 installed to the ...
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2answers
1k views

Getting to BIOS on the Lenovo IdeaPad U530 Touch in order to install Arch Linux

I have a Lenovo IdeaPad U530 Touch with Windows 8 preinstalled. I tried to install Elementary OS, but discovered that the WiFi support wasn't there, so I decided to switch to Arch Linux. The problem ...
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283 views

Dual Boot Windows (any Version) + Linux (any Distribution) with GPT/UEFI, full system encryption and shared partitions

I didn't think that my requiremetns were too special, but my search really didn't yield too many results, so I still got some quesitons unanswered. Basically I'm getting new hardware and will do a ...
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3answers
381 views

Linux on external drive / UEFI

I'm stuck on a problem : I want to make my external USB3 HDD self bootable. For now I must go through UEFI boot option. Explaination of my setup: I have a Win8 Asus Laptop with UEFI. I have ...
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1answer
4k views

Partition Issue with Windows 8.1 Installation

I bought a brand new machine and I wanted to install Windows 8.1 on a single 4TB HDD. I want to partition the drive using the following layout: Drive 0 Partition 1: System Reserved - whatever the ...
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141 views

How to install arch with EFI and change system to ubuntu

This question is weird. The only Linux distribution working on my MSI GE60 with windows 8 and Uefi is Arch. I cannot install other distributions because I get a black screen on install. My problem is ...
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1answer
1k views

MSI GE60 install Ubuntu along with Windows 8.1

I want to install Ubuntu 13.10 on my MSI GE60 laptop, but it doesn't see my USB. In another PC I see them. I tried to but with UEFI CSM (compatibility support module) or something like that, but it ...
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2answers
118 views

How to boot windows after uninstalling ubuntu?

I am using windows 8 system and I tried to install ubuntu by making a separate partion. But after deleting the partitions created for Ubuntu, it is still trying to load ubuntu and not windows. If I ...
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1answer
116 views

Boot from Windows Setup files that are located on a partition

Here's the situation: I am on a Lenovo Ideapad Yoga 13 (1st gen). I do not have Windows installed on my computer, I have Ubuntu. I currently use Grub2 and/or refind to boot Ubuntu. I would like to ...
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1answer
521 views

Install Ubuntu 13.10 64-bit without CD, DVD or USB

I am trying to get Ubuntu 13.10 onto my laptop, but do not have a CD, DVD or USB drive at hand. When I had this problem previously, I used UNetbootin, however when I tried doing that this time I ...
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3answers
622 views

What options do I have for flashing an UEFI BIOS chip on an Asus mobo?

I have a bizarrely borked ASUS board (M5A97 LE R2.0) that is stuck in a half way state between two BIOS versions. I cannot enter the BIOS settings page (the system locks up after drawing half of it). ...
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1answer
1k views

Installing Arch Linux, issue with `modprobe efivars`

I am trying to install Linux on my new Vaio Pro which is an adventure in and of itself. I am trying to install Arch Linux with UEFI. I am following this tutorial (though I am using newer 2013.11 Arch ...
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1answer
1k views

Can't boot FreeBSD 10 after install on UEFI + GPT

I have tried to install FreeBSD on Asus G75VW. Setup will partition the disk, install everything. At reboot I see this: "Reboot and select proper boot device" "or Insert Boot Media in selected boot ...
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1answer
161 views

ASUS F402CA-WX102H random crashes after UEFI Secure Boot disabled

I have a ASUS F402CA-WX102H notebook. I disabled UEFI Secure Boot, booted on USB and installed Debian Wheezy (double boot with Windows8 for now). The installation process worked fine, but the ...
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3answers
7k views

Clean install of Windows 7 Pro 64-bit on a UEFI with GPT laptop?

I’m currently pulling out hairs about a problem with my wife’s new Samsung Book 9 laptop. it comes preinstalled with Windows 8. She wants Windows 7 Pro. I’ve board a Windows 7 Pro 64-bit for her and ...
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1answer
52 views

Windows 7 Installer capable of UEFI mode

I've been looking for an installer of windows 7 like in this video that has the files required for UEFI mode. Sample image: I've tried different version of 64 bit Win7 such as (Home, Pro, ...
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1answer
231 views

Boot manager does not present me with OS choice

I have installed Linux Mint 15 alongside Windows 8.When installing Mint the option I chose said install Mint alongside Windows 7 which I chose. Once the system rebooted after the install,I was ...
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1answer
259 views

Is TianoCore+coreboot a true open source UEFI?

There has been a lot of controversy surrounding UEFI, but like it or not, it's becoming the only option when it comes to generally available desktop motherboards. I've been avoiding UEFI mobos for ...
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24 views

How to prevent Windows 8 of erasing GRUB? [duplicate]

I'm doing dualboot with Ubuntu and Windows 8 on my DELL Laptop. EFI is enabled, secure boot is not. My partitions are GPT. Everything seems to work for some time. After some normal use, GRUB stops ...
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2answers
139 views

Is it safe to purge EFI from a laptop?

My laptop is a Dell Latitude E5430 that supports both EFI and "legacy" boot modes. I'd like to removed win8 and it's troublesome EFI stuff and replace it with a Win7. I'd like to keep my ubuntu ...
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3answers
5k views

How can I use TrueCrypt under windows 8.1?

I know that TrueCrypt doesn't support windows 8 because some systems have UEFI enabled. It seems that if UEFI is disabled or Windows 8 is installed on an non UEFI system TrueCrypt just works fine in ...
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1answer
1k views

grub-efi refuses to chainload Windows 8.1

I have installed LMDE (with grub in MBR) after I installed Windows 8.1. I then installed the grub-efi package and added the custom Windows options: #!/bin/sh exec tail -n +3 $0 menuentry "Windows" { ...
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1answer
413 views

Windows 7 boot manager not localized on UEFI system

I'm running an Italian version of Windows 7, which includes a localized boot manager. However, I recently replaced my motherboard with a new one based on UEFI firmware instead of BIOS (Asus Z87 ...
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1answer
127 views

Does UEFI prevent dual-booting/Ubuntu not to recognize Windows 7?

Installed Windows 7 on a laptop with UEFI. Then went to install Ubuntu on another partition- Ubuntu cannot see the Windows 7. I have done this many times before and it works fine. Would this be ...
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1answer
1k views

Move EFI System Partition to another drive

I had a Windows 8 installation on an HDD, using UEFI as boot. The HDD has the following GPT table: DISKPART> list partition Partizione ### Tipo Dim. Offset --------------- ...