heres my friends problem its a dual g4 mdd dual 1.0ghz 512mb 64mb video card and superdrive....w/ panther 10.3.5 running...so here it goes...was running fine powered off than he went to power on.... it booted but no chime and it looks like it loading he gets a gray screen with a circle and a slash thru it any ideas? please help thanx in advance.... 