and the BIOS errors...
BIOS pre-POST error B9 on ASUS diagnostic card
BIO pre-POST error 69 on ASUS diagnostic card
ASUS mobo with 2 green power diodes on the C2050.
Tthe green mobo boot diode next to the front panel connectors and the blue PSU and RAM diodes.
The hardware is correctly powered up but the BIOS has apparently FAILED!