keyboard doesn't work

My keyboard stopped working completely. it is not recognized by the system or in the bios and he is new. I want to know the datasheet of the keyboard pins to do the tests if it's the keyboard or not

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0