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0 votes
1 answer
108 views

Windows 8.1 to Windows 10 and back, playing with secure boot

On a Samsung NP900X3C, Windows 8.1 is installed. I would like to test Windows 10 on this machine and for that, I purchased a separate disk so that if it fails, I can just revert to the previous ...
Nicolas Cadilhac's user avatar
1 vote
1 answer
798 views

Cannot boot after migrating my Windows 8.1 installation to a new drive

I want to migrate my Thinkpad X1 Carbon (2015)'s Windows 8.1 installation to a new 240GB PCIe 2.0 4x SSD. I figured that Clonezilla may work for that but cannot boot now. Turned off SecureBoot ...
Belmin Fernandez's user avatar
2 votes
1 answer
165 views

Stop Windows 8.1 from removing Grub

I've got a relatively new HP Envy machine running Windows 8.1 that I want to run Ubuntu on. Installation works great and I'm all happy until I boot back into Windows, at which point grub is removed ...
dragonmantank's user avatar
0 votes
1 answer
143 views

How to deactivate secure boot on windows 8.1 when uefi firmware settings arent available?

I've installed Windows 8.1 in UEFI mode, screen that proves it is below After rebooting system in advanced mode going to: Troubleshoot->Advanced options I can't find UEFI Firmware settings tile in ...
Michael's user avatar
2 votes
1 answer
23k views

ASRock UEFI setup utility has no option to disable secure boot

I want to downgrade my computer from Windows 8.1 to Windows 7. I originally had Windows 7 on my desktop, then upgraded to Windows 8, then Microsoft basically forced me to upgrade to Windows 8.1. I was ...
GabeMeister's user avatar
1 vote
1 answer
5k views

Does Windows 8.1 Secure Boot need a TPM chip?

I've seen conflicting information about the need for a TPM chip when enabling Secure Boot in the UEFI BIOS. Is a TPM (Trusted Platform Module) chip needed for Secure Boot? Thanks Edit: Thanks ...
Eric's user avatar
  • 39
1 vote
1 answer
3k views

Questions about using Clonezilla to create and restore image on Windows 8.1 secure boot system

I'd like to use clonezilla to create a disk image of a Windows 8.1 system with secure boot enabled and some third-party software installed, so that I can at a later time restore the system from that ...
Chris's user avatar
  • 11
4 votes
4 answers
9k 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 ...
JimNim's user avatar
  • 170