I've done a little digging and it looks like I need to make a switch with my Bios from Legacy to UEFI. Not sure I want to do this. I'm wondering if there would be any future problems with Windows 10 only recognizing 2TB of space on a 4TB HDD. The first thing that comes to mind is disk de-fragmenting. Seems like it would be an issue to run a defrag on partially recognized HDD.
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