bios update fail to black screen wont boot

[xzacx90]

asrock 990fx extreme no display after bios update failed

 

[Dark Lord of Tech]

The board is most likely bricked...Sorry...It does happen if a BIOS update is incomplete.

 

[xzacx90]

how do i fix this

 

[RememberThe5th]

I think the bios chip is removable, but the chances are that the replacement wont be exact same are there.
If its not removable then you will either need a flasher tool or bios chip and solder your own.