BIOS display is in a small box, can't adjust Bios due to screen size. Also having the same issue in Windows 10. I can set the display in Windows to 1080 but cant use my 144hz refresh rate. I am using DVI for connection. EDIT: Added link for photo. Thanks
BenQ XL2720Z
MSI Pro Series z270
Intel i7 7700
Nvidia Gefore GTX 1070
http://imgur.com/a/NpZHM
BenQ XL2720Z
MSI Pro Series z270
Intel i7 7700
Nvidia Gefore GTX 1070
http://imgur.com/a/NpZHM