stiahni si tento programcek a postupuj podla navodu na vytvorenie USB boot kluca.
Ty si ale stiahni MountainLion:
http://www.mac-torrent-download.com/application/apple/os-x-installesd-dmg-10-8-5-12f37-intel/
link na 10.6
http://isohunt.to/torrent_details/5516685/Mac-OS-X-10-6-Snow-Leopard-Final-Retail-ISO-BOOTABLE
to potom updatni na 10.6.8 cez Software update/hore vlavo v liste pod Jablckom/a je to