crwdns2934241:0crwdne2934241:0 AussieMac
crwdns2934249:0crwdne2934249:0:
This may sound dumb but have you tried increasing the brightness with the F2 key. otherwise the backlight is dead and you need a new screen [http://www.ifixit.com/MacBook-Parts/MacBook-13-3-Inch-LCD-Panel/IF186-050-1|here]
crwdns2915684:0crwdne2915684:0:
open