The GUID should match the expected GUID, if it does not, don't continue! More importantly, you should see at the bottom that the tool is looking for the Setup variable and found it. You can now use the utility by writing setup_varĪfter you press ENTER, a license text should inform you about the risks. If everything goes well, you should see the following message> Put this EFI application (source code: patch to GRUB2-1.96+20090709 ) on an USB-stick that is formated with FAT32 into the following directory:\EFI\BOOT\ĭisable SecureBoot and boot the USB stick in EFI mode. This is of course not my work, and I'm only adding it here because the links to the file and source patch in the blog are dead. I add here a modified grub binary, the patch to create it, and the full blog page of the blog with the instructions. This tool and procedure was tested on a HP Envy 15 ah150sa, and it has quite a bit of interesting stuff hidden in there. It is suitable for systems that have signed images, which will refuse to boot a modded BIOS where they are shown again.Ĭredit for the idea goes to Falseclock user in this forum (I took it from there, anyway) This system allows to modify board settings otherwise kept hidden in vendor BIOS interfaces. Tools needed to access advanced settings that are otherwise not shown in the firmware's GUI.
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