Hi I've got a macbook pro laptop and i installed windows7 on it. I want to uninstall windows 7 and install MAC OS X LEOPARD, can anyone help me. I'm a newbie with MACS. When i instert the mac os disk it does not boot up and when i press the control button it says my only choice is WINDOWS 7. When i insert the disk when i have windows 7 on it only installs bootcamp, also i can't get the sound to work in windows 7 that's why i want to change it to mac os x leopard. can anyone give me some advice. Much appreciated!