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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SSD not mounting in UEFI secure boot off

I have a new Dell XPS15 which came with Windows 10 preinstalled. I completely wiped it and installed Slackware Linux. I can only run Linux in UEFI Secure Boot OFF Mode or Legacy Mode. When I start my ...
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3answers
48 views

Is it possible to remove hard drive without removing the cable?

Is it possible to remove a hard drive disk without removing the cable(s) (in my case, through UEFI) and without the operating system "trying" to display in "My PC" or something? If so, how can I do ...
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4answers
5k views

Move Windows 8.1 installation to another PC - is it possible to avoid a re-install & just move the hard drive?

Last year I've installed a clean copy of Windows 8 (later upgraded to 8.1) on a new laptop. This process was challenging because the laptop included Windows 8 pre-installed (plus bloatware), and my ...
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12 views

Boot with wimboot a Windows x64 image on UEFI 32 bits

I have a Tablet PC that runs Windows x86 and Ubuntu x64 (mixed mode) on UEFI 32 bits with GRUB2 installed. I've tried to boot a Windows x64 WinPE image using wimboot program on GRUB2 becouse it ...
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19 views

Dual Boot on fakeraid

I am having some issues with my MSI notebook: Currently there is Windows 10 installed in UEFI mode and the C: partition is Bitlocker encrypted. The Main disk is a RAID0 which is setup in the BIOS ...
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11 views

Cinnamon 17.3 Grub Failure on Re-Installation

How can I force Mint 17.3 Cinnamon to ignore a grub error to complete the installation? Or how can I fix the grub lock? I am attempting to reinstall Mint Cinnamon 17.3 on a Microsoft Surface 2 Pro ...
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3answers
37k views

I'm unable to boot my Windows 10 installer USB in UEFI mode?

I'm having this problem with my Toshiba L875-S7308 where I cannot boot my USB while in UEFI mode. I have formatted the USB (tried MBR and GPT - same result), and restored the ISO using the Windows 7 ...
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2answers
232 views

Windows 10 License in UEFI [closed]

I have a 3 year old PC which has had Windows 8, Windows 8.1 and Windows 10 all installed on it. All of the licenses come from Dreamspark. Now as far as I know these licenses don't expire after a set ...
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2answers
3k views

How to partition hard drive from MBR to GPT for Windows 8.1 UEFI install

I just bought a new HP notebook (ProBook 450 G0) and it came preinstalled with Suse 11 Enterprise. Now this is the first time I've owned a system with an (U)EFI and I don't know how things work on ...
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27 views

How to boot tablet from usb

I need to boot my tablet from usb stick where my windows 10 install files are stored. There are no boot settings, I can access only UEFI shell see: That usb is blk0 and blk1 (when i unplug they ...
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29 views

Why can I boot from a USB device without “making it bootable”?

It seems like you can boot from a USB device without a bootloader to me. Even my 6 years old computers that still have a BIOS. From what I read the BIOS simply looks for an mbr, loads it and ...
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3answers
75 views

Relationship between MBR / GPT / UEFI and their limitations

I have a situations where i have to decide to use MBR or GTP and UEFI. I've read too many articles on internet, but I'm confused about some things : I've read that MBR does not support drives with ...
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1answer
31 views

Windows boot fails after plugging second HDD

There is an UEFI computer with SDD disk and Windows 8.1 installed on it. I'd like to add an HDD drive (non-empty, has some information, probably there was some old broken Windows on it too, but it was ...
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44 views

Trying to install Windows 7 onto a wiped Windows 8 laptop running Ubuntu 14.04 then coming up with missing winload.efi error

I'm on an ASUS V550C, which was previously running Windows 8 however I wiped this in favour of Ubuntu 12.04 (now 14.04), which I installed without needing to mess around with the UEFI too much (it's ...
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0answers
25 views

Unable to enter UEFI config menu at boot

I am unable to get into the UEFI firmware setting menu at boot time. Symptoms include: None of the F1/F2/.../F10 hotkeys bring out the UEFI config menu. Escape and Del only bring out a useless ...
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1answer
665 views

Installing Windows x64 on 32-bit UEFI (EFI-IA32) via GRUB

I am attempting to install Windows 10 x64 (64-bit) on a device that only has 32-bit UEFI (for the moment) Since x64 Linux can be booted via a custom 32-bit GRUB.. I assume it could also do the same ...
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1answer
628 views

Grub rescue command line, chainloading Windows 7 installer

I currently have grub2 installed on a Baytrail tablet along with Ubuntu 14.10 (64-bit) and Windows 8.1 (32-bit). The tablet comes with 32-bit UEFI only firmware, and a 64-bit atom processor. Using ...
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3answers
11k 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 --------------- ----...
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1answer
48k 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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0answers
26 views

Raw partition after installing window on UEFI GPT

I decided to perform clean installation of window. During the proccess it was disable to install windows on chosen partition because it Was not GPT, so I changed in the bios to support only UEFI (do ...
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0answers
12 views

How to configure a MS Surface Pro to restart after AC power loss and restoration?

I have a MS Surface Pro that is being used as a kiosk. After an AC power failure and then restoration of power, I want the PC to turn itself back on. I have looked at the BIOS/UEFI of the device and ...
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19 views

Booting Xen guests with UEFI

Now that UEFI is gaining widespread adoption, is Xen able to boot guests using an emulated UEFI? If so, can secure boot be used for these guests?
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1answer
9k views

How to generate Asus BIOS rescue password?

I have an ASUS laptop. The problem is that I've forgot my BIOS password. I've clicked Win+r in order to get a date upon which a rescue password would be generated. The date is that of today 2014/10/05....
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1answer
1k 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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1answer
4k views

How to enable Fastboot again on BIOS?

I have recently replaced the hard drive of my Asus Zenbook UX303LN with an SSD drive and managed to do a clean install of Windows 8 thanks to the link below: If USB is not listed in BIOS as a boot ...
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0answers
50 views

How can I move Windows 10 bootloader (GUID) only to SD card?

I have been trying to upgrade my laptop from a AHCI SSD to a much faster NVMe SSD without much success. I've pretty much concluded that my six month old Dell XPS 13 9343 doesn't have BIOS support for ...
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4answers
4k views

Unable to boot Windows 8.1 UEFI USB key on XPS 13 2015

I have an XPS 13 Developer edition on witch I try to install Windows 8.1 I have already done that on others computer always with success. But I am unable to do so with this XPS. I use Rufus to ...
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1answer
9k views

Create UEFI-bootable DVD with Windows 8.1 iso

I'm trying to set up a UEFI-boot of Windows 8.1. However, I seem to be unable to install it with a USB drive (previous question), and when I try to install with a DVD (the same iso), I don't get the ...
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4answers
16k views

Is it possible to make a EFI file to boot Yumi USB flash drive?

2 days ago I've bought an HP Envy laptop, which comes with Windows 8 pre-installed. Before that I were using Yumi USB flash drive with a dozen of boot options to set-up the computers (e.g. re-...
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1answer
22 views

Disk boot option missing. Booting with UEFI mode and was working

I have an MSI Ghost Pro (GS60). I can't get it to boot from my SSD. "Hard Disk" and "USB Hard Disk" and others show in the boot options. With my BIOS, it shows more information about the disk and a ...
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0answers
62 views

Installing Windows 7 via USB gives “CD/DVD drive device driver is missing” error

Apparently a lot of people have had this problem but I've tried all their solutions and came up with nothing. I'm trying to install Windows 7 64-bit SP1 via USB on an ADATA SP550 SSD with an ASUS ...
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1answer
5k views

Lenovo Windows 8 EFI restore from image

First time here. I have bought e530 with windows 8 and the first hour of work with it i have a problem. I have ssd with windows 7 which i want to use with my new e530. I have made a sysprep of win 7 ...
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4 views

Recovery partition for identical OS

I have a recovery partition installed and would like the ability to choose which OS to use the recovery for. There are 2 copies of windows 10 installed and one copy is a duplicate of the other. I was ...
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0answers
9 views

Add windows to efi

I duplicated the windows 10 partition. I want to be able to choose which windows partition to boot into but the second windows copy wont boot. Is there anyway to add the second windows 10 to efi so i ...
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1answer
4k views

How to find out if UEFI is corrupt? If it is, how to recover it?

I installed Ubuntu 13.04 on my Win 8 Pre-loaded system as dual boot. At this point I could no longer boot Windows 8. I tried using boot-repair, but it did not work. I have basically tried everything I ...
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0answers
40 views

How to boot Windows 7 UEFI recovery partition?

I've got an image of a hard drive that won't boot from within a Qemu VM. I managed to get UEFI working using OVMF, but it still won't give me an option to boot the recovery partition. Given that I ...
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1answer
4k views

Bypass UEFI on native Windows 8 Acer Aspire V5

I'm working on an ACER Aspire V5-121 OEM Windows 8. The original hard drive with the OS was removed, and I have a blank one... but could not install any other OS on it, not even Win 8. As the V5-121 ...
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3answers
3k views

GParted leaves 1MB unallocated space at end of external HDD, override/alternative?

I only say external HD, I don’t have this issue with internal HDs. I created a GPT table, then made one NTFS volume. It shows 1MB unallocated at end of disk. I know it is a backup of the GPT table, ...
3
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1answer
3k views

Unhide a EFI System partition

I don't know how I come to this but the partition I use to install Windows 7 64-bit is hidden. It is also a EFI System partition (I saw this using the Disk Management tool). Since the Windows ...
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0answers
222 views

Virtualization with UEFI'secure boot feature

I'm interested in the notion of emulating digital signature checks in virtual machines—the host can be booted without hardware-based digital signature checks, which can be moved to the VM, and the ...
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37 views

Is it possible to upgrade the WiFi card on an HP Pavilion g7 2269wm

My laptop currently has no WiFI card and I am considering upgrading to a 802.11ac WiFi adapter (maybe Intel Wireless-AC 7260). I know that some HP laptops have a whitelist in the BIOS (or UEFI which ...
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0answers
34 views

several minor issues intsalling Fedora 24 to an external USB drive

Most of my computers are UEFI, so I had the idea of, instead of dual-booting each one, installing Fedora 24 to a removable USB hard-drive, and having one Fedora installation that I could use on any ...
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1answer
477 views

Encrypting GPT Windows 8.1 on a multi boot system?

I have setup LVM on LUKS for my Linux partitons which I am very happy with but I would also like to encrypt Windows 8.1. I had planned to use TrueCrypt until I learned it does not support GPT. I would ...
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1answer
4k views

Fedora 19 (you have not created a bootloader stage 1 target device)

I want to install fedora 19 to my HDD but I get errors: you have not created a bootloader stage 1 target device sda6 must have one of the following disklabel types: GPT. I tried: Create 1-2 mb ...
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0answers
30 views

How to GPT+UEFI boot on VirtualBox Linux guest

I managed installing my guest Linux in the VM. But I found the entry added by "efibootmgr" will not persist over reboot. Currently, this is what I am seeing: BootCurrent: 0002 BootOrder: 0000,0001,...
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3answers
12k views

Linux on UEFI - how to reboot to the UEFI setup screen like Windows 8 can?

makeuseof.com explains that Windows 8 certified hardware has a new way to enter the UEFI setup screen (equivalent to BIOS). From How To Access The BIOS On A Windows 8 Computer: No longer do we ...
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3answers
84 views

Windows 8 - System found unauthorized changes on the firmware

I have a PC running windows 8 from Asus. A couple of days ago, I downloaded a windows update and the next morning when I tried to boot up the computer, it sent me directly to the BIOS, after giving ...
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0answers
37 views

Laptop not booting from any bootable device (UEFI broken?)

I was trying to install Debian in a dual boot with the already installed Windows 10 on my laptop. Now when I boot up the PC it shows the Dell logo and the options to press F2 for Setup and F12 for ...
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1answer
25 views

Shrink total disk image: UEFI GPT Flashdrive - freespace at end

I have a disk image from a bootable flashdrive. It is GPT for EFI booting, so there is a small Vfat32 partition and three other Linux partitions, followed by about 3G of free space. I need to disk ...
2
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1answer
48 views

Lenovo Thinkpad T450s: “Error: The non-volatile system UEFI variable storage is nearly full.”

A customer of mine is using a Lenovo Thinkpad T450s since something like a year. The machine is running Debian jessie, with a kernel out of jessie-backports, right now 4.5+73~bpo8+1. The latest UEFI ...