BIOS settings are useful in access and changing the important settings for the desktop and for the laptop too. BIOS are usually accessed by pressing F7 or F9 or F5 before windows logo is displayed before booting the system or the laptop. BIOS cannot be accessed by the motherboard with UEFI settings.  Here are few possible solution for this problem.

* Try connecting your computer with different display.

* It may struck on the resolution that doesn't support the BIOS access settings 

* Reset the CMOS Battery 

* It can be done by removing or replacing the CMOS battery

* Buy a new battery if needed 

Remember resetting or removing the CMOS battery will reset everything in the systems. All your system data will be erased. Please consider a tech advice before resetting or removing the CMOS battery.

If your motherboard is quite new then  arrange for the RMA with the manufactures. Hope this information might be useful for you in solving this problem, Happy Computing !