crwdns2934241:0crwdne2934241:0 Andrew Forrest
crwdns2934249:0crwdne2934249:0:
What fixed it for me was to reset the PRAM, as described here: http://support.apple.com/kb/ph14222 (boot-up, while holding down Option-Command–P–R)
crwdns2915684:0crwdne2915684:0:
open