It turns on but won't download.

When I turn it on "KINDLE FIRE" appears on the screen but it goes no further. I've tried holding the off button for 40+ seconds (to fully drain capacitors?) with no positive result. What's next?

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

crwdns2934109:0crwdne2934109:0

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