I found a thread explaining how to fix this now that I know that windows installs itself on some other partition on all HDD drives when installing your os. Thanks for the help.
The fix: https://forums.tomshardware.com/threads/windows-wont-boot-without-both-the-hdd-and-ssd.3091276/
I actually got it working with some frankenstein setup with my 160GB HDD in an old tower to get the sata power and a sata cable running between the two open cases, so now all drives are accessible, albeit terribly gross from a hardware standpoint. I isn't really usable in this state.
Somewhat...
WOW ok I did not know that was a feature. Is there a way to fix this? I still have full access to windows if I put it back into its previous configuration.
I cant currently boot into an OS, but I have roughly this setup;
128GB SSD SATA C:\ drive with Windows 10
1TB HDD SATA
Older 160GB HDD SATA (former os drive, but I wiped it clean (though ig not))
Older 200GB HDD SATA that had windows but isnt being a problem
512GB SSD M.2 NVMe drive used for...
This seems to be what is going on, but IDK what it is actually doing. I am going to try and have both drives plugged in, but one will be sitting outside my case.
Windows 10 is installed on my main SATA SSD, but when I remove my old 160GB HDD to replace it with a recently wiped and repartitioned 500GB HDD, no OS is found on any of my drives. I dont know how I can make it so that my SSD is recognized as a boot device, seeing that it looks like I can only...