Cannot access HDD .Original PS4.Replacing hard drive doesnt help

So as i said replacing HDD doesent help, so its a hardware issue and HDD connector seems to have continuity towards the board from every input.
Any typical fuses/transistors etc. to check ?Thanks in advance.

Well i’d start by checking for corrosion do a naked eye check first and if you see corrosion then it needs cleaning with a special cleaning solution I think it’s known as IPA it’s basically a special alcohol bath for components also it’s an idea to post pictures people can help you out better I do that with mine