Hi Evan. I'm Greg, an Independent Advisor, Volunteer Moderator and 10 year Windows MVP here to help you.
Try cloning or imaging using free Macrium Reflect, which is the choice of all experts because it is flexible and just works. More here:
https://www.howtogeek.com/howto/7363/macrium-re...
http://www.ghacks.net/2015/08/29/the-best-way-t...
http://knowledgebase.macrium.com/display/KNOW/C...
After cloning or imaging unplug the source drive to see if the clone/image can start on it's own.
If your image or clone doesn't start the use the bootable media it will create for you when you first install it to run Macrium's excellent Boot Corrector which will fix most startup issues: https://kb.macrium.com/KnowledgebaseArticle5016...
https://knowledgebase.macrium.com/display/KNOW/...
http://reflect.macrium.com/help/v5/how_to/rescu...
If it won't start then do a gold standard Clean Install in this link which compiles the best possible Install of Windows which will stay that way as long as you stick with the tools and methods given, has zero reported problems, and is better than any amount of money could buy: http://answers.microsoft.com/en-us/windows/wiki.... Unplug all other drives during install.
After the clone/image starts on it's own or you Clean Install, plug back in the other drive making sure it does not change back to first in boot priority in UEFI/BIOS Setup. Move the data off of it to wipe it with Clean command and then reformat which is the proper way to repurpose a Windows drive as a data drive to avoid it interfering with old boot code:
https://www.tenforums.com/tutorials/85819-erase...
https://www.windowscentral.com/how-format-new-h...
I hope this helps. Feel free to ask any questions. Based on the results you post back I may have other suggestions if necessary.
______________________________________________
Standard Disclaimer: There are links to non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.