I can't open the BIOS

[Alban]

Hello, on my old computer, an EB Smart'desk 1008 4 from Essential B, if I plug in my USB key with Ubuntu and launch it, I can't open the BIOS to boot on the key. (even without the key I can't open the BIOS.) and I check the claver it work...
It was for be an server with TrueNAS.
An video (too big to be import) on YouTube :

 

[root]

Possibly worth trying a PS/2 keyboard if you have one and the motherboard/PC has a port for it.

Also ensure you're using the right key for the machine - it's worth trying all the usual ones (escape, del, F2, F10 etc)