Not sure I'm following. The hardmod black screens, or the softmod black screens? We do have guides on SMG2, COD:BO, and I've seen posts on Sonic. If you have HBC installed as mentioned, do this and post as a reply to this thread (along with answering the questions posed).
Modchip identification usually involves opening up your Wii (requires triwing screwdriver, Flea Bay it). You can take a look at the modchip identication thread here.