I had two identical (external) WD 1Tb HDD that I set up in RAID 1 NOT through BIOS. I forgot how I did it (just followed some instructions online how to do it through Disk Management).
But the RAID would show up only if I turn on both hard drives at the same time, and in "My Computer" page they would show up as one drive, not two. I don't know if that was normal)
My PC fried, so I got a whole new set up (motherboard, CPU, SSD internal, RAM, etc.) But now my external RAID 1 will not show up at all on my newly loaded Windows 7.
Both drives are plugged in via USB 3.0, but the PC doesn't recognize this and they are not popping up.
But they both do show in Disk Management under Storage Devices. Please tell me how to fix it. I already have lots of files on the drives and I need to get them back!