Good day i am repairing a mecer z140c edu+ that seem to have had its bios flashed when i used my ch341a programmer on the chip it comes back all ff. this is my first time trying to reprogram a bios so i might be doing it wrong so any help would be apricated. please see attached image of the programmer screen.

s/n mz140cedu201125630
board number em_ia530_200b_ene_ti_8_v1.0
...