my main computer is fried so I broke out my only spare a power mac g4 big ol skool ( forgot how huge it was!) anyways seems like there wasn't any o.s. installed since there was a blinking folder ? icon when I turned it on. So I put in the 10.0.3 os x install disk and after I select language, intro, read me license, when I get to select destination my hdd isn't displayed and nothing is clickable. There is a unclickable icon of the install disk and that's all. So I opened up disk utility and my volumes or whatever won't show nothing. Can someone help? I have no computer access and it's driving me nuts!