Question SSD wont appear in disk management

Nov 9, 2019
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so today i got a samsung 860 evo and after installing it my computor recognised it but then it wouldnt show up in file explorer so i went to disk management and it wasnt there . i have it plugged in via a sata cable but its not like other peoples sta cables its like the power and data cable in one so i was thinking that may be the issue but im unsure. help would be appreciated :)
 
Nov 9, 2019
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Upload to imgur.com and post links.
1. it wasnt in file explorer so i went to disc manager (image 2 ) and it wasnt there so i checked my cables and i noticed that the cables in pic 3 and 6 are normal sata cables but they go tot a hdd. my actual sata that came with my pc is as one cable ( image 4 ) excuse my fat fingers. any other photos u need ??bc right now im clueless as to why my ssd wouldnt work as its just fresh out of the box
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Nov 9, 2019
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my motherboard is an dell alienware a00 apparently and my hdd i currently have is sata while my hdd says its pci and its partition is gpt but im sorry i cant show you my motherboard right now as its far from easy to move my pc
 
Nov 9, 2019
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Where's the other end of sata data cable plugged in?

What's the model name of motherboard? Can you show photo of it ?
Do you have any M.2 drives in your system? Those can disable some sata ports.
sorry for wasting your time man
not meaning to be a pest asking all this stuff bc i feel real dumb right now and i think ill call it a night and work on this in my own time tomorrow but i cant thank you enough for your generosity with your time and patience sorry if i was annoying
have a splendid night/ day