I am attempting to completely wipe & reload my MacBook Pro. I know I don't need to do it, it's not Windows... I get that. I just have a lot of junk on the machine and want to thoroughly clean it out. Any who, it's currently running Lion (10.7)- it won't upgrade to 10.7.1 for some reason. I have the original OE discs that came with it (Snow Leopard). I put the OSX disc in, and reboot, holding C... and then it just hangs (2 hours now) on the apple grey screen. I have tried the 'option' boot mode- I choose the CD, and it ignores it and boots normally. I have reset NVRAM. I have done fsck. I don't have a firewire to use Target Disk Mode. Nothing appears to get this puppy to read my CD. Any help/advice would be GREATLY appreciated.