why wont the map packs that i downloaded for halo 3 work?

[jacob h]

i downloaded the heroic map pack and cold storage and they dont show up in the stage list i tried everthing but they wont show up i need help i would like detaild in structions please and soon

 

[Paradocz]

happens to me too...first make sure you chose the right unit, then check the maps twice. also, you have to be on the same xbox and online(thats just for me i'm not sre about those details) if nothing works redownload

 

[Dragondeka]

did you wait for them to be fully loaded? are you playing on the same xbox as you downloaded them on? you need to post more information before we can answer, try downloading them again and wait for them to be fully downloaded before playing a game. perhaps i will see you next griffball weekend. wheelmn4