crwdns2934241:0crwdne2934241:0 rab777hp

crwdns2934249:0crwdne2934249:0:

You can try a couple of things, running the apple hardware test, booting from the install disk, and connecting to an external display. Also take a look at the ram, you may want to remove/adjust it.

crwdns2915684:0crwdne2915684:0:

open