"Here is how to restore the bios to default:
Please repeatedly press delete key as soon as you turn on the PC, go to BIOS. On Save&Exit page, please click Restore defaults, press enter to confirm, then press F4 to save. " - not working.
My bios even displays the serial number as: “Default string”
I ordered myself another new computer to take a dump from the bios chip. But I’m still looking for a recovery option without a programmer.