0
votes
0answers
212 views

Are there any rescue CD's which are bootable on UEFI and or UEFI with Secure Boot enabled?

I'm looking for Rescue CD's like Hiren's Boot CD which allow me to boot without switching to BIOS or turning off Secure Boot. I had no luck finding such thing. Is it even possible to launch such an ...
0
votes
1answer
138 views

Secure boot validation failure loading ext4_x64.efi

My setup: - Lenovo U510 with preinstalled Windows 8 - UEFI and Secure Boot enabled - Fedora 20 installed on a new ESP partition Having two ESPs I wasn't able to boot Windows with grub, so I ...
6
votes
2answers
4k views

Windows 8 to 8.1 Pro Upgrade SecureBoot Error

I upgraded from Windows 8 to Windows 8.1. I have an Alienware Aurora R4 with the latest BIOS firmware version, A09. Ever since I did the upgrade, I get a watermark on my desktop saying, "SecureBoot ...
2
votes
2answers
1k views

How can I disable SecureBoot when my system won't boot?

I recently upgraded from Windows 8 to 8.1 and received a warning that SecureBoot was not properly configured. I proceeded to try correcting this by installing the default keys from the BIOS and ...
1
vote
4answers
4k 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. ...
0
votes
1answer
845 views

Multi-boot USB using Windows bootloader and UEFI, for WinPE 4.0 and Windows 8 installation

I have a large USB drive that I would like to use to multi-boot several Windows products. The way my project seems to differ from every other thing I have found on Google is that I want it to work ...
3
votes
1answer
1k views

Windows 8 Secureboot: How do you bootup from another device such as cd/dvd drive or usb flash etc.?

On PC's and laptops running an older OS, this is just a simple matter of going into the BIOS and setting the boot sequence and putting the boot cd/dvd in the drive. In many cases you can even just hit ...
8
votes
2answers
5k views

Is there something like a BIOS in Windows 8? [closed]

Is there something like a BIOS in Windows 8? How can I set up the boot device priority? My problem occurs when switching on my computer. It immediately goes to Windows 8 loading screen without ...