Reboot Loop after BIOS post?

I recently got a Samsung SSD and I've forgotten to unplug my primary HDD when I installed my Windows 7 OS on the SSD. Now the problem is that the SDD's OS seemed to install just fine, but the moment windows booted up to the desktop screen (since it showed the newly installed OS, it was the default wallpaper, of course) it took maybe 5 seconds before my computer rebooted itself. Then it began going into a reboot loop, restarting everytime after the screen that says: "Press F2 or Del for UEFI . . ." and so on.

Now I've tried to clear the SSD and reinstall the OS, but the same problem arrives. Along with finding out that my HDD is now dead (it doesn't appear when I check the BIOS/UEFI, nor when I tried to reformat it with the Windows7 disk). The SSD seems to be fine, from what I can tell, since I plugged it into another computer and it read perfectly fine. I tried the same method of plugging the HDD into another computer, but it failed to read there as well. So now I think it's two separate problems of the reboot loop and a dead hard drive.

I'd like to fix the reboot loop before I go and buy another hard drive, since I'm not even entirely sure of the problem(s). I've been scouring the internet for help, and tried many methods that didn't solve this problem. I'm still pretty new to these type of problems and would appreciate any help anyone can offer. Thanks in advance!

P.S. I've also tried startup repair from my Windows CD, and 'solutions' that are similar -none have worked so far.
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More about reboot loop bios post
  1. Did you load a windows from the dvd or copy the existing installation from the old hard drive? for the other problem: If your old harddrive was not ahci but was legacy, and the bios was changed for the ssd, this would cause the old hard drive to be unreadable in any pc that was not configured as legacy hard drive.
    If I were you I would: 1) Disconnect the ssd and connect the old hard drive. Go into bios config when the system boots and check that the bios is set to legacy hard drive. Then see if the hard drive is recognized. That will tell you a lot about your old hard drive. And, again did you try to install windows on the ssd from the windows dvd? If so, did you try that with the hard drive disconnected?
  2. Enter the bios and make sure you Sata ports is set for AHCI and that the SSD is on your lowest numbered sata port (should be 0 or 1)

    Reinstall the OS in UEFI mode.
    You do that by pressing the F-key during post that corresponds to "Select Boot Device" and then selecting the UEFI option that matches your installation media. The rest is still the same once you get it going.
  3. I've enabled the 'Legacy' option and my primary HDD still isn't recognized. The CD I used to install my OS is a copy, and not the original Windows Disk.

    And the drive is plugged into SATA3_0, as well as installing from the UEFI mode just now.

    Neither have worked. I've also tried to plug in another Hard-Drive that works fine on another computer into this one and the reboot loop continues to persist.
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