2TB seagate firecuda 7200 rpm shown in BIOS, but not in windows 10

Dec 10, 2018
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Just rigged my new pc up with 1TB M2 as my primary and 2TB SSHD as secondary. BIOS shows both, but windows 10 doesn't (checked in disk management as well). The motherboard is an ASUS ROG Maximus XI hero wifi. I swapped the SATA port, changed different cables, none worked Help please.