The problem that I have been having is in regard to the boot device. It has worked fine for a few months, but has recently been shutting down randomly. After the shut down, it either goes the BIOS screen (sometimes) or it attempts to boot fine, but reads that it can't find boot media. I went back into the BIOS and saw that in the boot order the SSD (m.2) is not being recognized as a UEFI drive. Instead, there it is just labeled as a non UEFI drive. It has some obscure name that has NVMe in it. The boot drive that is listed as UEFI boot drive isn't named, and can't be booted into. It's like it can't figure out the name of the drive.
So, I decided to clear my CMOS and to unplug my HDD to see if that solved anything. Well, it does, temporarily. When I boot into the BIOS after the CMOS clearing, it states that the first drive in the boot priority is the ADATA XPG XS6000. So, the name is different now, weird. And, on top of that, it's actually recognized as a UEFI boot device with a name (Windows boot manager: ADATA XPG XS6000).
So, it's fixed, kind of. It occasionally shuts off and goes through this ordeal again. And, it doesn't allow me to plug my HDD in without causing the issue. Which is weird, because the HDD was used alongside it for months with no problems up until now.
I suspect I may need a BIOS update. I have reset settings multiple times with no benefit, so the BIOS update is all I can think of at the moment.