Search found 2 matches

by rat
13 Jun 2015, 22:34
Forum: Boot problems
Topic: UEFI secure boot violation
Replies: 5
Views: 6316

Re: UEFI secure boot violation

Ok, ta, that makes sense. I can't find an option for 'bios emulation'. I've turned on USB legacy support, changed the 'security device support'. I can't see any other obvious options that allows me to get around this. I even tried disabling the default secure boot on option, but still no luck. I hav...
by rat
13 Jun 2015, 11:57
Forum: Boot problems
Topic: UEFI secure boot violation
Replies: 5
Views: 6316

UEFI secure boot violation

I have just created a bootable USB version. I created it from a windows 8.1 system using the instructions for creating a bootable usb. The restart recognises the system, but wont boot from it. I get the following message:

Invalid signature detected. Check secure boot policy in setup.

Any ideas?