Question Hard drive says it does not exist when I try to access it

Sep 5, 2019
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So I just built my first computer and whenever I try to access my hard drive is says

E:/ is not accessible
A device which does not exist was specified

I’ve looked around and tried to sort it out but nothings worked please help
 
We need more info.
For example, if this is a 'just built' pc then how does your drive have a drive letter?

Please provide your systems specs with make and model#'s the best that you can.

If windows is working then bring up your disk management window and link us to a screenshot of it that you uploaded to an image sharing site, such as imgur.