I’m having issues playing online with my own copy of Halo 4 but I borrowed a friends copy and I have no issues at all.
Do you get an error message? Freezing? Restarting? You gotta elaborate on “issues,” man.
Most times it makes it all the way to the pick map screen then boots me back to the main menu…other times it picks the players and then it says everyone left the game
There is a disk replacement program for 360 games made by Microsoft.
http://support.xbox.com/en-US/xbox-360/disc-drive/disc-replacement-program
Gotta delete all the cached content off your Xbox HDD. Then it should work.