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Following this answer on how to reinstall ubuntu without loosing data when the reinstall ubuntu option is not directly available, when selecting Something else, it asks to select the Device for boot loader installation. The options are:

  • /dev/nvme0n1 the whole disk,
  • /dev/nvme0n1p1, with filesystem fat32 /dev/nvme0n1p11, with filesystemext2`.

/dev/sda is the ubuntu live installation media.

Which partition should be selected?

Here an image:

EDIT The disk is encrypted and booting is corrupted, i.e., it does not boot anymore. Autoselection for boot selection seems to be nvme0n1 but when I click on Install Now, a window appears saying: `No root file system is defined. Please correct this from the partition menu.

enter image description here

Francesco Boi
  • 301

1 Answers1

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/dev/nvme0n1p1 is the UEFI system partition, so:

  1. ensure legacy is turned off in the UEFI firmware
  2. Do not encrypt that partition
  3. install the boot loader there
Fabby
  • 35,017