Can't access the BIOS with my GTX1080Ti

Computer Type: PC/Desktop
System Manufacturer/Model Number: Mellon Labs (custom build)
OS: Win 7 Pro x64/Win 10 Pro x64 dual boot
CPU: AMD FX 8350 Vishera @ 4200
Motherboard: ASUS M5A97 R2.0
Memory: 16 GB Mushkin Blackline DDR3-2400 @ 1866 (9-10-10-10-31)
Graphics Card: XFX Radeon R9 280 Double D Black Edition
Sound Card: Realtek HD Audio on MB. Sounds great.
Monitor(s) Displays: Acer 24", Acer 22"
Screen Resolution: 3840 x 1080
Keyboard: Logitech G710+
Mouse: Logitech G500s
PSU: Corsair TX-750
Case: CoolerMaster HAF 912+
Cooling: Coolermaster Seidon 240M Liquid AIO. 6 case fans
Hard Drives: 1 x Mushkin Chronos 120 GB SSD (Win 10) 1 x Samsung 850 EVO 250 GB SSD (Win 7) 1 x WD 1TB SATA Blue 1 x WD 1TB SATA Green
Internet Speed: Much better since I got fiber, but still way overpriced.
Browser: Firefox
Antivirus: MSE, Malware Bytes for scanning
Other Info: Corsair VOID USB headphones. A Mellon Labs X-1 - LCD Smartie driven system status display. Brought to you by the letter E