OK I figured it out. I had to sign in using my Administrator's password. I didn't realize that by signing in using my account password it wouldn't let me access BIOS. Maybe this will be useful to someone else some day...
Thanks for the help.
Hi There,
I just built a desktop with a sabertooth x79 motherboard, and am running Windows 8.1 pro 64-bit. When I click the UEFI BIOS Firmware live tile via the change PC settings>update and recovery>recovery>etc. my computer reboots normally to Windows and will not open BIOS. I have tried...