LEAP 42.3 - boot problems after upgrade

English Install/Boot/Login
1

Hello,
after upgrading to LEAP 42.3 my computer doesn’t boot anymore.

It stops after starting saying:

*CLIENT MAC ADDR: … GUID: …
PXE: No boot filename recived

PXE-M0F: Exiting PXE ROM.

ERROR: No boot disk has been detected or the disk has failed.*

It’s a computer with dual boot (windows 10 - Opensuse). It’s 64 bit.
From CD i can start opensuse leap 42.3 and get into terminal, Yast, Terminal …

Any suggestions?
Thanks,
Manolo

https://ibb.co/kjTF2v

2

Dist upgrades are always funky.

Do you know if the grub is installed on MBR or root?

3

Similar problem here, did you find a solution?

4

Wild, wild guess, just because you asked for suggestions: something to do with an UEFI BIOS expecting an EFI system, but the disk is MBR?