tftpboot not working after upgrade?

check permissions on /var/lib/tftpboot
and check your default options in /etc/default


TFTP_OPTIONS="--secure"
TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/var/lib/tftpboot"
TFTP_ADDRESS="0.0.0.0:69"

How to open an Intel iMac "aluminum" MB324LL/A (iMac 2008, 20")

http://www.youtube.com/watch?v=bfLmsrMafXs&feature=player_embedded