My keyboard's top row is not working

the top row of my keyboard does not work, i have a nos c450 and whenever i try to press esc it just does this symbol §§§ and when i try to use numbers they only work when i hold fn, ive tried everything pls help and

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

crwdns2934109:0crwdne2934109:0

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