[SOLVED] Can’t boot pc

Dec 2, 2018
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Hello so I built my computer a few months ago and I needed to add storage and I bought two more m.2 for the pc (I already have one in there that has windows saved on it) but when I power the computer up it doesn’t start up it goes to bios and says to boot from a device or to choose which drive to boot from and I can’t get it running but if I take out the extra m.2’s that I put in the computer works just fine any idea on how to fix this problem?


GIGABYTE Z370 AORUS Gaming 5
8th Gen Core i5-8600K Processor
Corsair Vengeance LED 16GB (2x8GB) DDR4
1-Samsung 960 EVO Series - 250GB PCIe NVMe - M.2
2-WD Blue 3D NAND 1TB PC SSD - SATA M.2