HDD not detected by Windows or BIOS boot selection


I did my first home built computer a few weeks ago and finally got around to making my SSD my boot drive (was dormant before and I had a HDD running Windows/programs).

I did a clean on the HDD (via diskpart) and then installed Win 7 64 bit on my SSD. Everything worked well on that front.

However, now when I try to find my wiped HDD in Windows, it can't find it. I look in my BIOS and it finds it, but it's not showing up in the boot selection options (boot selection options are only my SSD, DVD-ROM and USB drives).

My goal is to have my boot drive as my SSD and then the rest of my programs on the HDD.

Some notes:
MOBO: GIGABYTE Z77X-UD3H (all drivers are installed on it)
Windows: Windows 7 64 bit
SSD: Crucial M4 128 GB
HDD: Western Digital 640 GB
My experiece level/technical savvy: Low

Any feedback/suggestions are greatly appreciated. If you require more information, let me know (in layman's terms) and I'll do my best to provide it.

2 answers Last reply
More about detected windows bios boot selection
  1. An update:

    If I run diskpart again and then 'list disk', the HDD does show up with no space used. So it's there, it's just not accessable in any way.

    Does it need to be formated or setup after a clean is done?
  2. Most likely - YES
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