Dell Vostro 3668 mod BIOS to support QKYN ES

done. But networks adapters do not appear

Do Load Defaults in BIOS.

Done. Networks adapters on place. Working properly

That’s all. I can’t help you to add support for QKYN.

Thanks a lot in any case for your efforts to help me

there is one more thought. May be the CPU is bad.

But it looks as it has been never used.

One more question. Is it possible to modify a BIOS to support Coffee lake - I mean just i3-8100 or i3-9100?