Can you blindly navigate the boot selector screen with a non-flashed video card?
Better yet, is there another way I can still use Boot Camp with a non-flashed PC video card?


Whenever you want to reboot into Bootcamp, open System Preferences and then the Startup Disk preference Pane. Select your bootcamp partition from the list, and then hit restart.

Your computer will automatically reboot into Bootcamp. This setting only affects the next reboot, which means that whenever you're done in Windows, you can reboot normally to get back to macOS X.

You can expedite this process slightly by creating a shortcut to the Startup Disk preference pane.