Question m2 ssd doesn't work?

Roddie.the.gamer

Commendable
Feb 22, 2019
17
0
1,510
I just put my new upgrade in my computer and it runs perfectly but when I try to use my new m2 ssd it just doesn't find it.
Mobo: asrock X370 Killer SLI
M2ssd : Plextor M9Pe(G) 512 GB

I put the ssd in the m2 ultra slot.
My question is: am I doing something wrong or is something wrong with my new hardware?