crwdns2933897:0crwdne2933897:0

computer won't turn on

My computer won't turn on and I may be missing an SD car, do you need one for the computer to work? Am i missing a card above the SD slot because it's empty. Please help thanks

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

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0