Hi paul456,
Let me help you with this.
We have come up with many BIOS updates that contains many fixes for some issues so it would be important to update the BIOS.
If you have the original version, my best recommendation is to go one by one to the latest so we don’t brick the board.
Here you can get the BIOS updates:
https://downloadcenter.intel.com/SearchResult.aspx?lang=eng&ProdId=3782
Kevin M