I'm getting essentially the same error as in this question except when I try to do the proposed solution, at this step:

grub-install --target=x86_64-efi /dev/nvme0n1

I get this error:

grub-install: error: cannot find EFI directory.

This is a clean install using an ASRock motherboard with the Z170 chipset, in case that's relevant.


I had the same problem with an Asus Z170 motherboard. FWIW, I installed a 'testing' build of Debian (currently Alpha 8 of Stretch) over a Windows 10 install and dual-boot etc. is working great, so far.

Info here: https://www.debian.org/releases/testing/

Please note that this is not a 'stable' release. Here are some notes about using a 'testing' release: https://wiki.debian.org/DebianTesting


Can you see /dev/nvme0n1 ?

 ls -l /dev/nvme0n1

If not, do you have the nvme-cli package installed? Once installed, you should be able to continue.

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