crwdns2933897:0crwdne2933897:0

Why wil my camera not stay on

When I turn my camera on, the pentax name comes up then powers down. If I push the green button the lights around the front come on and the camera stays on but nothing displays on the screen

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

crwdns2934109:0crwdne2934109:0

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