Today I added an 80GB internal hard drive to my existing 40GB on my G4 running 10.3.9
It went in, I partitioned it, it showed up on desktop, life was wonderful. But when I tried to load 10.3.9 on to it via CD drive, I got prohibitory icon. When I would zap the PRAM, I would get back into my computer, but could never load 10.3.9 on my new drive because of the never-ending prohibitory icon. Dog-gone! And I'm getting Tiger in a few days :-(
It gets worse. So I'm trying this and that. The last thing I tried before everything fell apart was to try starting up via System Preferences/StartUp/Classic.
Since then, I just get the grey screen. PRAM doesn't do a thing any more. And when I try to boot off a CD (OS X and OS 9) to jump start this poor computer, I get the prohibitory icon.
I'm screwed, it seems -- but there's GOT to be a way out of this.
Can anyone help me -- PLEASE??!!