Looks pretty much the board is dead though I would try 2 more things.
1.Clear CMOS >>Clear CMOS Guide<<, leave it to clear 5-10 minutes at step 4.
2. try to flash latest BIOS...
1.Clear CMOS >>Clear CMOS Guide<<, leave it to clear 5-10 minutes at step 4.
2. try to flash latest BIOS...