Hard Drive Problem

[Highlands]

Hello, I finished building my new rig and everything went fine, installed windows no problem.

The only issue I'm having is only my 240GB SSD is showing up on my computer, the 3T Hard drive isn't being recognised at all, although I'm able to find it in the BIOS.

What have I not done?

Thanks in advance.

 

[Highlands]

Thanks very much, sorted it! Forgot to partition both, only did one.