how to format a hard drive

FaZePULLOUT

Commendable
Jul 16, 2016
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0
1,660
I gave my 1tb harddrive it's a usb 3.0 drive to my grandparents to use with their hopper to put movies on. I got it back, and now it's not recognized by my computer. like it won't show up in file explorer. I wen't to format it, and it poped up so I formatted it all, still not poping up
 

FaZePULLOUT

Commendable
Jul 16, 2016
83
0
1,660


it says it's unallocated and I don't see where to assign a letter update: the assign thing isn't there