Lucio Crusca composed on 2017-02-25 10:16 (UTC+0100): ...
I hate to workaround problems without understanding them, this is a loss.
Thanks everyone for your support anyway.
Did you look for any significant differences between the working and non-working grub.cfgs? Does Grub see your SSD as an NVMe device and need to embed a different binary or load a different module for it?
-- "The wise are known for their understanding, and pleasant words are persuasive." Proverbs 16:21 (New Living Translation) Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/