samsung 950 pro not showing in bios

So did a clean windows install, unplugged my 500 gig SSD and 2tb HDD installed windows 10 64 bit on my 950 pro m.2 ( the problem is in the bios ) it don't show the drive or controller for it......... so how do I set it to first boot ? I have installed the Samsung driver for it and it shows in the device manager that its there. but in bios on first boot it only show windows boot manager ?

OS windows 10 64 bit
mobo gigabyte gaming 7
Samsung 950 pro m.2 256
Samsung 850 Evo 500
WD black 2 tb


anyone have or seen this problem ?