My friend erased Mac os and installed Windows XP on her Macbook. Now ma friend wanna erase XP os and install Mac os 10.4.6. I tried to erase and install using the installation CD came along with the hardware bundle. CD drive is not recognizing the CD. Then I found that no CD is recognizing even in XP which got installed in MB. This is ma problem, Plz guide me to install the Mac os 10.4.6 and to erase XP. Thanks.