keyboard not working

[Ulrichelohim]

my Toshiba laptop satellite U945-S4390 keyboard not working i connect a keyboard for me to log in but still not working what should i do please help

 

[smarthelp]

What prevent this? I mean, no split coffee on laptop?
Keyboard don't work even to open BIOS?

 

[Prostar Computer]

Does either keyboard work in the BIOS setup?