Everything is in the title.
- Please make a (not too long) list, say around max 10 items*
- Only questions/suggestions accepted, this topic is not going to turn into any mess. We’ll move or remove inadequate comments*
- Wished how-to will be added to Resources as soon as possible. Everyone can help too, see How to contribute user’s documentation
first check update UEFI motherboard
then check also all theses options
- Secure boot off
- CSM off
- all disks to AHCI
- no RST
and what means GPT & /boot/efi required with flag boot & ESP
also how to create a GOOD USB iso
For UEFI boot a /boot/efi partiton does have to be present and mount point set and it does require ESP and boot flags enabled. This is explained in Release Notes, the explanation may need a rewrite.