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HP EliteDesk 800 G1 Won't Boot from M.2 NVMe PCIe 512G SSD

EliteDesk 800 G1
Microsoft Windows 10 (64-bit)

I installed a Samsung 970 EVO Plus NVMe M.2 500g SSD via a Vantec M.2 NVMe PCIe x4 adapter.  The Vantec adapter is plugged into the PCIExpress slot (the white one) on the motherboard.  I successfully cloned the system (actually I cloned the entire internal sata HD) onto the SSD.  Since I would like to boot from the SSD, I went into the bios to change the boot order.  Although I can access (read+write) to the SSD drive from Windows, the bios does NOT detect it hence I can't boot from it.  What setting changes, if any, should I make in the bios, that would allow me to boot from the SSD?

 

Thanks!

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HP EliteDesk 800 G1 Won't Boot from M.2 NVMe PCIe 512G SSD

G1 doesn't support nvme boot drive without the optional ROM. Only those old Samsung 950 with legacy ROM worked. Alternatively you can use a 2.5 ssd/hdd with a boot loader such as grub. Then route the boot to the nvme drive. A few milliseconds slower but a perfect workaround.

 

Windows and Linux can see the drive without problems once it's loaded. 

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HP EliteDesk 800 G1 Won't Boot from M.2 NVMe PCIe 512G SSD

Thanks!!!  Since I just bought the G1 (it was a refurb), i will return it and get something else that support the newer NVMe drives.  Since I do a few light weight multi-media projects, I thought this would be an inexpensive way to upgrade my current old HP desktop.  I will look for another desktop...  Thanks again for your reply!

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