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I recently got a new laptop with 300 ssd hard drive. I dual booted the ssd with windows and ubuntu 20.4, everything seemed to work fine until I started getting this grub error minimal bash-like line editing is supported so I decided to format the hard drive into one partition and install only ubuntu 20.4 on the laptop.Now I can't install ubuntu again I keep getting this error executing grub install dev nvme0n1 failed this is a fatal error uefi..

I've tried lots of things on the internet but now seems to work

It's probably also worth noting that I turned off secure boot and switched from UEFI to legacy because the ubuntu installation kept freezing at the purple loading screen on UEFI mode.

Dennis Junior
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  • Since there is no Ubuntu 20.4 version might you mean 20.04? – David Apr 05 '21 at 09:04
  • Have you tried this ? – Jdeep Apr 05 '21 at 09:55
  • Better to resolve error on UEFI install. Often you need graphic driver or Safe Boot during install & add proprietary drivers. But if drive was UEFI, it then was gpt. And if then installing in Legacy/BIOS/CSM boot mode, you have to have a bios_grub partition. If really wanting the now 40 year old BIOS type install, I might also have an ESP - efi system partiiton to make it easier to convert install to UEFI later.https://askubuntu.com/questions/500359/efi-boot-partition-and-biosgrub-partition – oldfred Apr 05 '21 at 15:58
  • Have you tried from the Bios menu, changing on the boot options, priority Ubuntu or different ssd options? Also, is your usb ubuntu live written for both (UEFI and Legcy)? – Tenorediforza Apr 30 '21 at 18:00
  • i solved it by partioning the ssd maually during the ubuntu installation – Dennis Junior May 13 '21 at 13:01

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