Hello Marek, > On 10/14/25 2:41 PM, Frantisek Rysanek wrote: > > Can you boot, on the notebook, using the Realtek NIC as a bootable > > device in the "UEFI BIOS" ? > > I don't know if I can boot from a PXE but the PXE boot is on the top > of the list of bootable devices in the Boot section. If I remove it > from the list of bootable options I doesn't change anything at all for > my problem. > Oh, it's on top of the list? So... do you actually see an attempt to PXE-boot? Like... the PXE "option ROM" (UEFI PXE driver) sending DHCP requests, probably failing to get a response / not happy that there's no "next-server" attribute, finally failing over to the next boot device in a row, which would be your on-disk EFI partition...
Or, is there no PXE-boot attempt at all? That might explain something :-) Have you tried updating the "BIOS"? Then again, the UEFI PXE boot seems less chatty compared to what the legacy BIOS PXE boot used to be... Frank
