Dell Precision T3600 Second HD Doesn't Appear In Windows 10

Question

Need some help getting a second HD to appear in Windows 10 on my recently purchased (refurbished) Dell Precision T3600. I did a clean installation of Windows 10 and ran all updates.  The drive appears as SAS-3 on BIOS/System Configuration/Drives page. However, the drive does not appear in Windows Device Manager or Windows itself.   The second drive in question is cabled up to HDD3 on the MB. I tried HDD2; no change. What am I missing?  What did I overlook?   Edit: SATA/RAID controller is now set to ENABLED.  No change, no second drive in Windows 10. Thank you.

tomhanser · Answer

Fixed it. Installed latest BIOS drivers from Dell!

Precision Fixed Workstations

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