Remove person from admin

My wife has been on my home cloud for many years very happy she purchased her own. How do I remove her from my admin
Many Thanks Pete

@pete82 What WD device do you own? Is it the WD My Cloud Home?

I own a old WD cloud. my home

My home cloud got too hot and will not switch on . How do I get my files back.
Anticipation your reply
Regards Pete