I have 256MB of memory and way more than enough space for the upgrade. I tried holding down "C" when it reboots but nothing happens. It's running at 900MHz and it has a combo drive. Is there something I am doing wrong? Can someone please help me . I meet all the requirements already. I also tried to hold Option but it just shows my Hard Drive which boots to Panther. When i restart it it just boots up to panther like normal. When i pop in the first CD it says Click Restart to Begin the upgrade process or something like that. Hi I'm trying