(adsbygoogle = window.adsbygoogle || []).push({}); Hello everytime i play zombies, sometimes i freeze and when i restart my ps3 the symbol for black ops 2 loading screen just freezes everytime i try get onto the game, can someone please help me?!!?

Just for basis, is this disc or backup? If disc, have you tried looking at your disc to see if there's any smudges or scratches? If backup, have you tried using a different eboot?