When I reformatted my SSD on PC2 and installed windows 10 w/ updates I then swapped it into PC1. PC1 sees the drive in the bios and when I choose to boot from it, it will POST successfully but after the DMI Pool message it gave me "DISK BOOT FAILURE, INSERT DISK". I got my new 860EVO and with PC2 formatted and installed windows 10 once more. Popped it into PC1 and it worked! SSD1 was reformatted in PC2 and to which I copied 12GB of data too succesfully. Connecting SSD1 back to my functioning PC with my 860EVO, I got stuck at the 'Verifying DMI Pool' section. 3rd time I just installed windows on my 860EVO on PC1 after realizing my USB was faulty and another USB could install windows on PC1. It works, and I wont connect SSD1 back to even use it. What is some advice with backing up data? Must I get an external drive to connect to my router so we can drop files off + have an SSD/HD with a full image copy of the main boot drive so I can swap it back if this happens again? I've never setup automatic saving tot he cloud nor think a fancy NAS/RAID system is for me and my puny files.