On/off Swicht on divice problem

When divice 'off'. To get it 'On', screen flashing couple second, or more than 30 second, after that screen return to normal.

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

crwdns2934109:0crwdne2934109:0

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