Question No post splash/ screen after HDD format ?

[mjpmjp]

hi. I formatted the NVMe 1TB SSD for resale of my HP Z640 Workstation, but now I have no splash / post screen no bios screen so I cannot install OS.
Any help please , it’s driving me round the twist -🙁

 

[Lutfij]

Are you working with an adapter to drop in an M.2 SSD into the prebuilt? If so, might want to remove that from your platform and see if that revives the system, to give you POST.