Windows 10 not detecting Seagate HDD 1.0TB 64MB SATA Barracuda ST1000DM010

[rtz371]

I installed my windows 10 pro 64 bit with an iso file and during the installation i was asked which drive do i want to install my os into. When it asked me that, there were to options, my ssd and my hard drive. I chose my ssd of course. After some other problems i fixed with the internet and monitor i downloaded steam and all that and a couple of owned games, but when i wanted to download the rest on my hard drive, it only showed my ssd. Its like that on settings, files and i just cant see it.
Please tell me how i can get access to my hard drive and if its through bios, there is another problem, i have 2 screens, one is samsung curved qled 24 inch which does not display bios at all, and the second which is HP LP2065 that shows bios for a very short time and then turns off.
My HDD is Seagate HDD 1.0TB 64MB SATA Barracuda ST1000DM010 as mentioned and if i need to download a [strike]drive[/strike] driver directly from seagate's website then link it because i cant find it.

 

[marksavio]

check your Disk Management first. press winkey+s. type the italics. if it sees it there. you will need to format/initialize it (if its a new unused drive). then right click on the white space of your drive to create a simple volume. if it doesnt see it there. proceed below.

try reinstalling windows on your SSD with all the other SATA drives detached. just leave ONLY your SSD in your PC. sometimes windows will do some weird stuff associating other drives connected. delete all the partitions. format. install.
after its restarted and booted to windows. shutdown. and reattach your other drives in the SATA cables.

as for your displays, thats another issue. BIOS screen will only show up on the first screen it finds. first analog (VGA). then goes to HDMI (if your onboard graphics does not have a VGA port or you only connected to your GPU). lets focus on this first and once thats fixed we can move to your displays.

 

[mazboy]

before you reload the os, why don't you see if Windows disk manager sees the hdd. I'm assuming that you're looking at windows explorer, which won't see an hdd that isn't partitioned or formatted.