Anything?

and a second question is what is a good boot utility that I could use to just look at the disk to see if the files are still on the drive?

Here is what it looks like in a win 7 box. If I initialize it, will scrub the data on it?

Thanks Topgundcp,

My concern is why they are now a GPT protected drive. Before the upgrade They were already a single 3TB partition. Because of that I think I will go the route of putting them...

That did not fix anything.

I upgraded from win 7 64 bit to Windows 10 "c drive" and lost my two drives (E and F) that I use as backups to my primary drive.

My primary "c" drive is actually 2 drives that are mirrored so if...