New build PC on Gigabyte Z690 Aorus Elite DDR4 Mobo Drives are viewable in BIOS (1 SATA HDD, 1 Gen 3 M2 SSD, 1 Gen 4 M2 SSD) i've installed Windows on the Gen 4 M2 SSD - but in Windows only a single Drive C: (the Gen 4 M2 SSD is visible)
Any suggestions on a BIOS setting i've missed
Any suggestions on a BIOS setting i've missed