i have a dell 8900 running win10 which came with a Samsung SSD 256 as the main drive. Recently i decided to replace the drive with a new Samsung SSD 980 1TB. i cloned the 980 but it would not boot into win10 instead i get a stop code not accessible boot device. I checked the bios and the 980 is seen in the window. I contacted Samsung support they suggested a clean install of win10 and if that didn't work to return the drive for a replacement. i did the clean install, it still didn't work and i got a replacement drive. I would like to note that my original Samsung SSD still boots into win10 with no problems. The replacement drive still will not boot into win10 so i assume its not the drive itself but some kind of problem between win10 and the 980 but i don't know how to resolve it. Any help would be appreciated...
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Ahh, ok. The PM851 is a Sata SSD while the 980 is a NVME SSD. Different animals and the OS is installed differently.
The 980 needs to be wiped clean of all partitions and allow the USB stick with the full Win Install routine to format it as a GPT device. The Install will then add the NVME drivers for the 980. Remove or disconnect all other hard drives to prevent interference during installation.
Did you find the solution to the problem? I have the exact same problem as you, I also have a M.2 SSD with model number MZ-V8V500. I have tried to make a clean install of Windows 10 three times without succes. I have also tried to install the 980 firmware from Samsung website nad it didnt fix my problem either..